close

Вход

Забыли?

вход по аккаунту

?

Патент USA US3033064

код для вставки
May 8, 1962
L. A. WQOLLEY
3,033,054
CONSTRUCTION FOR SEQUENTIAL TIMER SHAFT
Filed June 8, 1960
3 Sheets-Sheet l
557.]
30
29
21
47
/
1///////
/
/ n
?i
\
40/////// j
21:8:- " . i
a’
$41?‘ _42
FE?!
& E1
$
/ [
4%
“5
~21
/
41
%4
[4a
m
[771/5217UP
lee d. Way/Lay
]
May 8', 1962
|_. A. WOOLLEY _
3,033,054
CONSTRUCTION FOR SEQUENTIAL TIMER SHAFT
Filed June 8, 1960
3 Sheets-Sheet 2
31
//////////
6
/
/
' . V/l/ll/
39
Lg
is‘; 4 ‘L35
?‘girzl
a
;/
i
L
44}
1
\,
44
x
(4:
5
Er
i4 Q3
kzf
27!
/
4
y
46 44
A I ,/490
v
W
/
26? /49
17 £6
//i9
1s
m
May 8, 1962
I
|_. A. WOOLLEY
CONSTRUCTION FOR SEQUENTIAL TIMER SHAFT
Filed June 8, 1960
Eg_5
3,033,054
3 Sheets-Sheet 3
Z
30
[H.VEUfUF
Lee 4. h/aolifj/
United States Patent O?ice
l
3,0ss,es4
CGNSTRUCTION FUR SEQUENTIAL
TIMER SHAFT
Lee A. Woolley, Koiromo, Ind., assignor to Kingston
Products Corporation, Kokomo, Ind., a corporation of
Indiana
Filed June 8, 1960, Ser. No. 34,779
12 Claims. (Cl. 74-504)
3,633,054
Patented May 8, 1962
2
tailed description and the accompanying sheets of draw~
ings in which several structural embodiments incorporat
ing the principles of the present invention are shown by
way of illustrative example.
On the drawings:
FIGURE 1 is a fragmentary enlarged cross-sectional
view of a sequential timer equipped with a manual drive
mechanism provided in accordance with the principles of
This invention relates generally to sequential timers, 10 the present invention;
FIGURE 2 is a fragmentary view, partly in section,
and more speci?cally to an improved manual drive mech
taken along the line 11-11 of FIGURE 1;
anism for the shaft thereof.
FIGURE 3 is an enlarged cross-sectional view taken
Although the principles of the present invention may
along the line III-HI in each of FIGURES l and 2;
be included in various devices, a particularly useful ap
FIGURE 4 is an enlarged cross-sectional View of a se~
plication is made in sequential timers of the type em
ployed to operate and to regulate home laundry ap 15 quen-tial timer equipped with a modi?ed form of drive
mechanism provided in accordance with the principles of
pliances. In particular, such timers employ a program
the present invention; and
cam or cam assembly which is rotated by a motor in one
FIGURES 5 and 6 are fragmentary cross-sectional
direction to close the proper combination of circuits at
views illustrating further embodiments of drive mech
predetermined times, and to open the same. Such circuits
anism provided in accordance with the principles of the
control the washing, extracting, rinsing, drying, and the
present invention.
like of a washing machine. Frequently, the operator de~
As shown on the drawings:
sires to alter the prescribed program, and therefore the
The principles of this invention are particularly useful
timer typically includes a manual knob for advancing the
main timing cam. Frequently the various switches op 25 when embodied in a sequential timer assembly such as
erated by the main timing cam are of such a type that
reverse rotation of the timing cam would damage them.
illustrated fragmentarily in FIGURE 1, generally in
dicated by the numeral 14}. The timer 10 includes a hous
Accordingly, it is known in the art to include means as
a part of the timer to prevent inadvertent reverse rota
tion of the main timing cam.
ing 11 having mounting bosses 12 secured by screws 13
in the proper direction, if this be done with the circuits
energizable, the washing machine components are caused
the shaft’ 15 is manually rotated in one direction, the
timing cam advances. The omitted details are known in
to a structural member 14 of an appliance. The timer
It} further includes a timer shaft member 15 connected
30 to a timing cam (not shown) in a manner that when
Thus when the main timing cam is manually advanced
the art, being shown, for example, in the US. patent to
Constantine
No. 2,703,347. The timer shaft 15 is sup—
35
ported for rotation about its axis by the housing 11 in an
the like in response to a rapid manual advancement of
to pass quickly through their various cycles, there being
a resulting banging and clanking of relays, solenoids, and
the main timing cam.
The present invention contemplates the utilization of
structure which eliminates such actuation of various
aperture 16. The shaft 15 has an annular groove 17 with
in which is received a wire member 18 supported by one
of the bosses 12, the wire member 18 being held in posi
controls in response to manual advancement of the ‘timer. 40 tion between a face 1.9 on the housing 11 and a locking
plate 20 by such locking plate 20 which is received in
To this end, a timer is so construe-ted in accordance with
grooves in the mounting bosses as shown. Thus the
the principles of this invention that the knob, in combi
timer shaft member 15 is supported in a manner wherein
nation with other claimed features, can be rigidly secured
it can rotate, but wherein it is axially ?xed.
'
to the outer portion of a hollow sleeve for directly rotait~
The manual drive mechanism of the instant invention
ing the sleeve, the sleeve having an abutment engageable
with a pin carried by the shaft which drives the main 45 includes the timer shaft 15, a tubular sleeve member 21
having an inner portion 21a and an outer portion 21b,
timing cam, the abutment being engageable with the pin
and structural features and relationships presently to be
only when the sleeve is in an axially inner position. The
described.
'
invention preferably also includes a cam surface on the
Tubular
sleeve
member
21
is
directly
supported by
sleeve for effecting an axial shift of the sleeve in response
to sleeve rotation.
the shaft member 15, and receives the shaft member 15
therein. The tubular sleeve member 21 is axially slidable
Accordingly, it is an object of the present invention
on the shaft member 15v as a unit for a limited axial dis
to provide an improved manual drive mechanism for a
sequence timer.
tance. FIGURE 1 shows the sleeve member 21 in a ?rst
Another object of the present invention isto provide 55 or inner position in which'an annular ?ange 22 engages
a switch actuator 23 to hold a switch 24 in an open posi
a safety shaft construction, one characteristic of which
is its simplicity, in that it employs a minimum number of
component parts.
Yet another object of the present invention'is to pro
vide a manual drive mechanism for a sequence timer
which mechanism is so constructed that rotation of the
tion. The switch 24 is a master switch so that when this
switch is open, the timer does not supply a potential to
any component controlled by it. The sleeve member 21
may be moved outwardly on the shaft to an outer or other
position in which the switch 24 is closed.
’
g I
To de?ne the two sleeve member positions, detent
shaft by hand will effect a shutdown of the control sys
means generally indicated at 25 ‘are provided which act
tem so that components thereof will not be energized in
between the shaft member 15 and the sleeve member 7
response to manual rotation of the shaft.
21. In this embodiment, a detent spring 26'is carried
A still further object of the present invention is to pro~ 65 by
the sleeve member 21, and one end of the spring 26
vide a manual drive mechanism ‘for a sequence timer
extending through a slot in the sleeve member 21 for
wherein the knob is restricted rotationally with respect to
alternative engagement with either of two grooves 27, 28
the timer shaft for any position of the knob.
Many other advantages, features and additional ob~
je'cts of the present invention will become manifest to
those versed in the art upon making reference to the de
in the shaft member 15. The spring 26 thus positively
holds the sleeve member 21 in either of the inner or
outer positions, and yields to permit the sleeve member
21 to be moved from one position to the other.
The outer portion of the sleeve member 21b is adapted
3,033,054
as at 29 to have a knob 3t} rigidly secured thereto as
by a set screw 31. It is apparent that a rotational force
applied to the knob 30 will effect rotation of the outer
portion 21b of the sleeve member 21. It is also apparent
that reciprocation of ‘the knob 30‘ will effect reciproca
tion of the entire sleeve member 21.
Further, as is
brought out more fully later herein, it is apparent that
the outer portion 21b of the sleeve member 21 is ro—
4.
sleeve member is in its outer position, for camming the
sleeve from one to another of the positions, namely ‘from
the outer to the inner position in response to rotation
of the knob in a clockwise direction as viewed from above.
Thus if an attempt is made to advance the position of
the timing cam when the master switch 24 is closed, the
force applied to so turn the timing cam shaft 15 ?rst
effects an axial shift of the sleeve member 21 to open
the switch 24 before the pin 38 engages the abutment
40 in a manner which permits actual rotation of the tim
tatable about the shaft axis for a limited angular dis
tance' with respect to the shaft member 15 when the 10 ing cam.
sleeve member 21 is in one position, namely the inner
Preferably, the instant embodiment also includes in
position as ‘drawn.
dex means, here illustrated as a dial plate 43 which is
The inner portion 21a of the sleeve member 21 is
disposed concentrically with the sleeve member 21. The
corotatable with the shaft member 15. To this end, ear
dial plate 43 is provided with support means which ren
15
means 32 on the shaft member 15 extend radially there
der the dial plate corotatable with the shaft member
from and are received in slots 33 in the inner sleeve
15 and reciprocable with the sleeve member 21. To thls
member portion 2.1a, thereby effecting corotation. The
end, in this embodiment, such support means includes
slots 33 are elongated so that the connection formed by
the hub portion 44 secured by a set screw 45 to the inner
the ears 32 and the slots 33 is a connection between the
portion 21a of the sleeve member 21.
inner portion 21a of the sleeve member 21 and the shaft 20
It will be noted that the shaft member 15 projects
15 which is an axially sliding connection.
from the frame of the appliance through a decorative
Referring now to FIGURE 2, it will be seen that the
panel 46 so that the dial plate 43 is disposed on the
inner portion of the sleeve member 21a has at its outer
outside of the machine. To provide further reference
end a neck portion 34 of reduced diameter which de
means, and to preclude manual grasping of the dial plate
?nes a circumferential channel, and a shoulder portion 25 and hence use of it as a knob, a transparent cover 47
35 of intermediate ‘diameter which has shoulders di
may be employed as shown.
rected in both axial directions. The outer portion 21b
Even though there is an angular lost motion connec
of the sleeve member has at its inner end an internal
tion between the knob 30 and the shaft 15, the dial plate
shoulder 36 with abutment surfaces directed in both axial
43 will always accurately represent the relative position
directions, and which is de?ned by an internal generally 30 of the timing cam shaft member 15. It is also apparent
annular channel 37. The channel 34 receives the shoulder
that when ‘the timer is running, since the pin 38 engages
36 while the channel 37 receives the shoulder 35. To
the point 41 within the opening 39, the knob 30 may be
permit assembly and disassembly, the shoulder 36 is cut
pushed by the operator at any time to shut down the
away as best seen in FIGURE 3 to permit sliding recep
machine without rotation of the knob 30. It is particu
tion of the shoulder 35. Thus the inner portion 21a 35 larly important that a structure has been provided where
and the outer portion ‘21b of the sleeve member 21 are
in the foregoing results can be obtained and wherein at
interlocked axially in a ‘manner that permits relative ro
the same time angular restraint will be provided to knob
tation therebetween.
rotation for either axial knob position.
Referring again to FIGURE 1, and as also seen in
Referring now to FIGURE 4, there is shown a modi
FIGURE 2, a pin or rigid pin means 38 is carried by the 40 ?ed form of the instant invention. Components or parts
shaft member 15, and in this embodiment projects radi
thereof which are identical to FIGURE 1 have been
ally from both sides thereof. The outer portion 21b
identi?ed by the same reference numerals. In this em
of the sleeve member 21 is provided with a radially di
bodiment, the timer 10 has been provided with a slightly
rected opening 39 which receives the pin 38, the pin 38
simpler form of timer shaft 43 and a modi?ed form of
‘being engageable with the edges which de?ne the open 45 sleeve member 49. The shaft member 48 is supported in
ing 39. It will be noted that the opening 39 is elongated
an identical manner and is identically restrained against
in an axial direction to permit reciprocation of the sleeve
axial movement, as already described. Further, the
member 21. It will also be noted that the opening 39
sleeve member 49 similarly includes inner and outer por
is elongated in an arcuate manner about the axis of the
tions 4%, 49b supported by the shaft member 49 and
sleeve member 15, such elongation being only in that 50 axially slidable thereon as a unit for a limited extent
portion of the opening 39 as receives the pin 38 when
governed by the detent means 25. Similarly the outer
the sleeve member 21 is in the inner or ?rst position
portion 49b of the sleeve member 49 supports the knob 39.
shown. This elongation about the axis permits rotation
The outer portion 49b of the sleeve member 49 is pro
of the outer portion 21b with respect to the shaft mem
vided with an aperture 39 which receives the pin 38 and
ber 15 for a limited angular distance. One end of the 55 cooperates therewith in a manner already described.
elongation about the axis de?nes an abutment 40 which is
Thereby the outer portion 49b is rotatable about the shaft
corotata'ble with the outer portion 21b and ‘hence also
member axis for a limited angular distance with respect to
corotatable with the knob 30. It is thus apparent that
the shaft member 48 when in the inner position.
the abutment 40 is engageable with the pin only when
However, in this embodiment, different means are em
the sleeve member is in the ?rst or inner position. Ro 60 ployed by which the inner portion 49a of the sleeve 49
ration of the knob 30 in a clockwise direction as viewed
is rendered corotatable with the shaft member 48. A
from above causes the shaft member 15 to rotate in
shoulder 50, corresponding to the shoulder 35, at the
one direction for advancement of the timing cam when
outer end of the inner portion of the sleeve member 49 is
the switch 24 is in the open position. As mentioned
received within a channel 51 corresponding to the chan
above, if the knob 30 were rotated in the opposite direc 65 nel 3,7. The shoulder 50 and the channel 51 are rather
tion, conventional means, not shown but forming a con
elongated in an axial direction, and the shoulder 50 is
ventional part of the timer Ill, precludes reverse rotation
provided with a pair of axially extending slots 52, the
sides of which are engageable with thepin 38, and which
of the shaft 15.
register with the abutment in the aperture or opening 39.
As best seen in FIGURE 1, it will be noted that the
opening 39 is also elongated from the abutment 40 to 70 Thus the means carried by the shaft 48 which e?ect co
rotation between the inner portion 49a of the sleeve and
the more remote end of the axial elongation 41 to de?ne
the shaft 48 comprises a part of the pin 38. Thus, as in
an axially directed cam surface 42 which in this embodi—
the ?rst-described embodiment, the inner portion 49a of
merit terminates at the abutment 40. The cam surface
the sleeve member 49 is corotatable with the shaft 48,
42 is engageable by the pin 38 in response to rotation of
the outer portion 21b of the sleeve member 21 when the 75 has an axially slidable connection with the shaft 48, and
5
3,033,054
is axially interlocked with the outer portion 49b of the
sleeve member 49. In this embodiment, it will be noted
that only the inner portion 49a is in direct contact with
the shaft member '48.
The operation and the results obtained thereby are the
59 is in the inner position, the pin 33 is engageable with
an abutment 66 which is corotatable with the outer por
tion of the sleeve member 59. The abutment 66 is en~
gageable with the pin ‘38 only when the sleeve member 59
is in one of its axial positions, and registration angularly
same as those described above for the embodiment of
between the pin 38 and the abutment 66 is indicated for
FIGURE 1.
the other of the positions when the ball 64 seats in the
Referring now to FIGURE 5, there is disclosed a fur
outer of the dimples 62.
ther embodiment where identical numerals have again
The engagement between the pin 38 and the abutment
been applied to parts or components thereof which are 10 66 e?ects rotation of the shaft member 58 for only one
identical to those previously discussed. In this embodi
direction of knob rotation. If the knob and sleeve mem
ment, a tubular sleeve member 53 is again directly sup
ber 59 are in the inner position ‘as shown, and if they
ported by and receives the shaft member 48, and is axially
be rotated, as viewed from above, in ‘a counterclockwise
slidable thereon as a unit for a limited axial distance be
direction, the shaft member 38 will engage an axially di
tween an inner illustrated position and an outer position. 15 rected cam surface 67 which, in this embodiment, also
In this embodiment the outer portion 53b again supports
terminates at the ‘abutment 66. The cam surface ‘67 is
the knob 30 to be directly rotated, the entire sleeve mem
engageable by the pin 38 in response to rotation of the
ber being reciprocable in response to pulling and pushing
outer portion of the sleeve member 59 for camming the
on the knob 30. The outer portion 53b of the sleeve
sleeve from one to another of its axial positions, namely
member 53 is again provided with an aperture 39 of the
from the inner to the outer of said positions.
con?guration previously described and through which a
Although various minor modi?cations might be sug
pin 54 carried by the shaft ‘48 and radially projecting
gested by those versed in the art, it should be understood
therefrom extends. Thus the abutment in the aperture
that I wish to embody within the scope of the patent
39 is corotatable with the outer portion 53b of the sleeve
warranted hereon all such embodiments as reasonably and
member 53 and is engageable with the pin 54 only when 25 properly come within the scope of my contribution to the
the sleeve member 53 is in the inner position. In this
art.
embodiment, the inner and outer portions 53a, 53]) com
I claim as my invention:
prise a unitary member. Also, the shaft pin 54 is ex
1. A manual drive mechanism for a sequence timer com
tended radially of the shaft 48 to provide support for a
prising in combination: an ‘axially ?xed timer shaft mem
hub 55 carried by a dial plate 56 or index means. Thus 30 ber adapted to be supported for rotation about its axis; a
support means are provided for the dial plate 56 which
tubular sleeve member directly supported by and receiving
are corotatable with the shaft member 48, the hub 55
said shaft member, said sleeve member being axially slida
receiving a portion of the pin 54. It is to be noted that
ble on said shaft member for a limited axial distance be—
the pin 54 is the sole means by which the dial plate 56
tween two positions, and adapted to open a switch in a
may be manually rotated. Since the dial plate 56 is co 35 ?rst of said positions and to close said switch in the other
rotatable with the pin 54, it is apparent that an extended
of said positions; detent means carried by one of said mem
end 57 of the pin 54 may of itself comprise index means
bers and acting on the other of said members to positively
which cooperates with other markings on the panel d6 or
hold said sleeve member in either of said positions; at least
cover 47. This embodiment is particularly advantageous
the outer portion of said sleeve member being rotatable
because of its simplicity, and like the previously described 40 about said ‘axis for at least a limited angular distance with
embodiments, the knob 30 is never free to rotate without
respect to said shaft member when in one of said posi
restriction in either of the positions of the sleeve mem
tions; said outer portion of said sleeve member being
ber 53.
adapted to have a knob rigidly secured thereto for posi
Referring now to FIGURE 6, there is illustrated a
tively directly rotating at least said outer portion and for
still further type of manual drive mechanism for the
reciprocating said sleeve member; a pin carried by said
45
sequence timer 10. For convenience, the knob 39 has
shaft member and extending radially therefrom; said
been omitted from the drawing.
sleeve member having an abutment co-rotatable with said
The timer 10 includes a shaft member 58 which is
outer portion of said sleeve member and engageable with
both axially ?xed and supported for rotation about its
said pin only when said sleeve member is in said ?rst po
axis by means previously described. The drive mecha
sition, for rotating said shaft member in one direction;
nism, in addition to the shaft 58, includes a tubular 50 and said sleeve member having an axially directed cam
sleeve member 59 adapted at its outer end 60 to have a
surface terminating at said abutment, which cam surface
knob rigidly secured thereto in a manner shown in the
is engageable with said pin in response to rotation of the
other embodiments. The tubular sleeve member 59 is
outer portion of said sleeve member for camming said
directly supported by and receives the shaft member 58
sleeve member axially from one to another of said posi
and is axially slidable thereon as a unit for a limited 55 tions.
axial distance between a ?rst or inner position, which
2. A manual drive mechanism for a sequence timer
again is illustrated, and an outer position where the switch
24, shown in FIGURE 1, would be in an open position.
These axially spaced positions of the sleeve member 5a
are de?ned by detent means acting between the shaft and
sleeve member, which detent means are generally indi
cated by the numeral 61. The shaft member 58 is pro
comprising in combination: an axially ?xed timer shaft
member adapted to be supported for rotation about its
axis; a tubular sleeve member directly supported by and
receiving said shaft member, said sleeve member being
axially slidable on said shaft member for a limited axial
distance between two positions, and adapted to open a
switch in a ?rst of said positions and to close said switch
with an opening 63 in the sleeve member 59 which re
in the other of said positions; detent means carried by one
ceives a ball 64 biased by a clip type of spring 65. Again, 65 of said members and acting on the other of said mem
rotation of the knob in a clockwise direction as viewed
bers to positively hold said sleeve member in either of
from above will effect joint sleeve and shaft rotation in
said positions; at least the outer pontion of said sleeve
that one direction, and reciprocation of the knob will
member being rotatable about said axis for at least a
effect reciprocation of the entire sleeve member 59 as a
limited angular distance with respect to said shaft mem
70
unit. The sleeve member 5% is rotatable about the shaft
her when in one of said positions; said outer portion‘ of
59 in either direction when in one position, namely the
said sleeve member being adapted to have a knob rigidly
vided with two axially spaced dimples 62 which register
. outer position.
secured thereto for positively directly rotating at least
The shaft member 58 is provided with the pin 38 which
said outer portion ‘and for reciprocating said sleeve mem
extends radially therefrom, and when the sleeve member 75 ber; a pin carried by said shaft member and extending
aceaoee
7
radially therefrom; said sleeve member having an abut
ment corotatable with said outer portion of said sleeve
member and engageable with said pin only when said
sleeve member is in said ?rst position, for rotating said
g
.
a limited angular distance with respect to said shaft mem-.
ber only when said sleeve member is in said inner of
said positions; said outer portion of said sleeve member
being adapted to have a knob rigidly secured thereto for
.5 positively directly rotating at least said outer portion
shaft member in one direction.
and for reciprocating said sleeve member; a pin carried
3. A manual drive mechanism for a sequence timer
by said shaft member and extending radially therefrom;
comprising in combination: an axially ?xed timer shaft
member adapted to be supported for rotation about its
axis; a tubular sleeve member directly supported by and
receiving said shaft member, said sleeve member being
axially slidable on said shaft member for a limited axial
distance between two positions, and adapted to open a
switch in a ?rst of said positions and to close said switch
in the other of said positions; detent means carried by one
of said members and acting on the other of said members
to positively hold said sleeve member in either of said
positions; at least the outer portion of said sleeve mem
ber being rotatable about said axis for at least a limited
angular distance with respect to said shaft member when
in one of said positions; said outer portion of said sleeve 1..
member being adapted to have a knob rigidly secured
thereto for positively directly rotating at least said outer
pontion and for reciprocating said sleeve member; a pin
carried by said shaft member and extending radially there
from; said sleeve member having an abutment corotatable
with said outer portion of said sleeve member and en
said sleeve member having an abutment corotatable with
said outer portion of said sleeve member and engageable
with said pin only when said sleeve member is in said
inner position, for rotating said shaft member in one di
rection; and said sleeve member having an axially di
rected cam surface terminating at said abutment, which
cam surface is engageable with said pin in response to
rotation of the outer portion of said sleeve member in
said one direction, for camming said sleeve member
axially from said outer position to said inner position.
6. A manual drive mechanism for a sequence timer
comprising in combination: an axially ?xed timer shaft
member adapted to be supported for rotation about its
axis; a tubular sleeve member directly supported by and
receiving said shaft member, said sleeve member being
‘axially slidable on said shaft member for a limited axial
distance between two positions, and adapted to open a
switch in a ?rst of said positions and to close said switch
in the other of said positions; detent means carried by
gageable with said pin only when said sleeve member is
in said ?rst position, for rotating said shaft member in
one of said members and acting on the other of said
receiving said shaft member, said sleeve member being
member and engageable with said pin only when said
sleeve member is in said ?rst position, for rotating said
shaft member in one direction; an annular dial plate
disposed concentrically with said sleeve member; and
means supporting said dial plate so that it is both axially
reciprocable with said sleeve member and corotatable
with said shaft member.
members to positively hold said sleeve member in either
of said positions; at least the outer portion of said sleeve
one direction; and said sleeve member having an axially
directed cam surface terminating at said abutment, which 30 member being rotatable about said axis for at least a
limited angular distance with respect to said shaft mem
cam surface is engageable with said pin in response to ro
ber when in one of said positions; said outer portion of
tation of the outer portion of said sleeve member in said
said sleeve member being adapted to have a knob rigid
one direction, for camming said sleeve member axially
ly secured thereto for positively directly rotating at least
from said other position to said ?rst position.
4. A manual drive mechanism for a sequence timer
said outer portion and for reciprocating said sleeve mem
comprising in combination: an axially ?xed timer shaft
ber; a pin carried by said shaft member and extending
member adapted to be supported for rotation about its
radially therefrom; said sleeve member having an abut~
axis; a tubular sleeve member directly supported by and
ment corotatable with said outer portion ‘of said sleeve
axially slidable on said shaft member for a limited axial
distance between two positions, and adapted to open a
switch in a ?rst of said positions and to close said switch
in the other of said positions; detent means carried by one
of said members and acting on the other of said mem
bers to positively hold said sleeve member in either of
said positions; iat least the outer portion of said sleeve
member being rotatable about said axis for at least a
limited angular distance with respect to said shaft mem
ber when in one of said positions; said outer portion of
said sleeve member being adapted to have a knob rigidly 50
7. A manual drive'mechanism for a sequence timer
comprising in combination: an axially ?xed timer shaft
member adapted to be supported for rotation about its
axis; a tubular sleeve member directly supported by and
receiving said shaft member, said sleeve member being
secured thereto for positively directly rotating at least
axially slidable on said shaft member for a limited axial
distance between two positions, and adapted to open a
switch in a ?rst of said positions and to close said switch
extending radially therefrom; said sleeve member having
in the other of said positions; detent means carried by
, an abutment corotatable with said outer portion of said 55 one of said members and acting on the other of said
said outer portion and for reciprocating said sleeve mem
ber; rigid pin means canried by said shaft member and
sleeve member and engageable with said pin means only
members to positively hold said sleeve member in either
‘of said positions; at least the outer portion of said sleeve
member being rotatable about said axis for at least a
limited angular distance with respect to said shaft mem
ber when in one of said positions; said outer portion of
portion of said sleeve member for camming said sleeve
said sleeve member being adapted to have a knob rigidly
member axially from one to another of said positions.
secured thereto for positively directly rotating at least
5. A manual drive mechanism for a sequence timer
said outer portion and for reciprocating said sleeve mem
comprising in combination: an axially ?xed timer shaft
ber; a pin carried by said shaft member and extending
member adapted to be supported for rotation about its 65 radially therefrom; said sleeve member having an abut
axis; a tubular sleeve member directly supported by and
ment corotatable with said outer portion of said sleeve
receiving said shaft member, said sleeve member being
member and engageable with said pin only when said
axially slidable on said shaft member for a limited axial
sleeve member is in said ?rst position, for rotating said
distance between two positions, and adapted to open a
shaft member in one direction; said pin having a portion
switch in the inner of said positions and to close said 70 extending radially through and beyond said sleeve mem
ber; and an annular dial plate disposed concentrically
switch in the outer of said positions; detent means car
ried by one of said members and acting on the other
with said sleeve member, said plate having a hub receiv
ing said portion of said pin, said pin portion comprising
of said members to positively hold said sleeve member
the sole means by which said dial plate may be manually
in either of said positions; at least the outer portion of
said sleeve member being rotatable about said axis for 75 rotated.
when said sleeve member is in said ?rst position, for ro
tating said shaft member in one direction; and said sleeve
member having an axially directed cam surface engageable
with said ‘pin means in response to rotation of the outer 60
3,633,054
8. A manual drive mechanism for a sequence timer
comprising in combination: an axially ?xed timer shaft
member adapted to be supported for rotation about its
axis; a tubular sleeve member directly supported by and
receiving said shaft member, said sleeve member being
axially slidable on said shaft member for a limited axial
10
thereto for positively directly rotating at least said outer
portion and for reciprocating said sleeve member; a pin
carried by said shaft member and extending radially there
from; said sleeve member having an abutment corotatable
with said outer portion of said sleeve member and en
gageable with said pin only when said sleeve member is in
said ?rst position, for rotating said shaft member in one
direction; said sleeve member having an inner portion in
one of said members and acting on the other of said 10 terlocked axially with said outer portion thereof, and pro
vided with an axially extending slot adjacent to said shaft
members to positively hold said sleeve member in either
member;
and means carried by said shaft member re
of said positions; at least the outer portion of said sleeve
ceivable ‘in said slot for permitting said inner portion to
member being rotatable about said axis for at least a
distance between two positions, and adapted to open a
switch in a ?rst of said positions and to close said switch
in the other of said positions; detent means carried by
limited angular distance with respect to said shaft mem
ber when in one of said positions; said outer portion
of said sleeve member being adapted to have a knob
rigidly secured thereto for positively directly rotating at
least said outer portion and for reciprocating said sleeve
member; a pin carried by said shaft member and extend
move axially with respect to said shaft member, and for
effecting corotation therewith; ‘and index means secured
to said inner portion of said sleeve member for both me
ciprocation and corotation therewith.
11. A manual drive mechanism for a sequence timer
comprising in combination: an axially ?xed timer shaft
member
adapted to be supported for rotation about its
ing radially therefrom; said sleeve member having an 20 axis; a tubular
sleeve member directly supported by and
abutment corotatable with said outer portion of said
receiving said shaft member, said sleeve member being
sleeve member and engageable with said pin only when
axially slidable on said shaft member for a limited axial
said sleeve member is in said ?rst position, for rotating
distance
between two positions, and adapted to open a
said shaft member in one direction; said sleeve member
having an inner portion which is corotatable with said 25 switch in a ?rst of said positions and to close said switch
in the other of said positions; detent means carried by one
shaft member; and index means secured to said inner
of said members and acting on the other of said members
portion of said sleeve member for both reciprocation
to positively hold said sleeve member in either of said
and corotation therewith.
,
positions; at least the outer portion of said sleeve member
9. A manual drive mechanism for a sequence timer
comprising in combination: an axially ?xed timer shaft 30 being rotatable about said axis for at least a limited angu
lar distance with respect to said shaft member when in one
member adapted to be supported ‘for rotation about its
of said positions; said outer portion of said sleeve member
axis; a tubular sleeve member directly supported by and
being adapted to have a knob rigidly secured thereto for
receiving said shaft member, said sleeve member being
positively directly rotating at least said outer portion and
axially slidable on said shaft member for a limited axial
distance between two positions, and adapted to open a 35 for reciprocating said sleeve member; a pin carried by said
shaft member and extending radially therefrom; said
switch in a ?rst of said positions and to close said switch
sleeve member having an abutment corotatable with said
in the other of said positions; detent means carried by one
outer portion of said sleeve member and engageable with
of said members and acting on the other of said members
said pin only when said sleeve member is in said ?rst posi
to positively hold said sleeve member in either of said
tion,
for rotating said shaft member in one direction; said
positions; at least the outer portion of said sleeve mem 40
sleeve member having an inner portion interlocked axially
ber being rotatable about said axis for at least a limited
with said outer portion thereof, and provided with an
angular distance with respect to said shaft member when
axially extending slot adjacent to said abutment, and dis
in one of said positions; said outer portion of said sleeve
posed adjacent to said shaft member; and means compris
member being adapted to have a knob rigidly secured
thereto for positively directly rotating at least said outer 45 ing part of said pin carried by said shaft member receiv
able in said slot for permitting said inner portion to move
portion and for reciprocating said sleeve member; a pin
axially with respect to said shaft member, and for eifect
carried by said shaft member and extending radially there
ing corotation therewith; and index means secured to said
from; said sleeve member having an ‘abutment corotat
inner portion of said sleeve member for both reciprocation
able with said outer portion of said sleeve member and
engageable with said pin only when said sleeve member 50 and corotation therewith.
12. A manual drive mechanism for a sequence timer
is in said ?rst position, for rotating said shaft member in
comprising in combination: an axially ?xed timer shaft
one direction; said sleeve member having an inner por
member adapted to be supported for rotation about its
tion; means carried by one of said members drivably en
gaging the other of said members for effecting an axially
axis; a tubular sleeve member directly supported by and
slidable rotational drive connection between said inner 55 receiving said shaft member, said sleeve member being
portion of said sleeve member and said shaft member; and
axially slidable on said shaft member for a limited axial
index means secured to said inner portion of said sleeve
distance between two positions, and adapted to open a
member for both reciprocation and corotation therewith.
switch in a ?rst of said positions and to close said switch
10. A manual drive mechanism for a sequence timer
in the other of said positions; detent means carried by one
comprising in combination: an axially ?xed timer shaft 60 of said members and acting on the other of said members
member adapted to be supported for rotation about its
to positively hold said sleeve member in either of said
axis; a tubular sleeve member directly supported by and
positions; at ‘least the outer portion of said sleeve member
receiving said shaft member, said sleeve member being
being rotatable about said axis for at least a limited angu
axially slidable on said shaft member for a limited axial
lar
distance with respect to said shaft member when in
distance between two positions, and adapted ‘to open a 65
one of said positions; said outer portion of said sleeve
switch in a ?rst of said positions and to close said switch
member being adapted to have a knob rigidly secured
in the other of said positions; detent means carried by one
thereto for positively directly rotating at least said outer
of said members and acting on the other of said members
portion and for reciprocating said sleeve member; said
to positively hold said sleeve member in either of said
outer portion of said sleeve member having a radially di
positions; at least the outer ‘portion of said sleeve member 70
rected
opening; and a pin carried by said shaft member
being rotatable about said axis for at least a limited angu
and extending radially therefrom into said opening for
lar distance with respect to said shaft member when in
engagement with the edges thereof; said opening being
one of said positions; said outer portion of said sleeve
elongated
of said sleeve member, to permit re
member being adapted to have a knob rigidly secured 75 ciprocationaxially
of said sleeve member between said posi
3,033,054
r.
i2
tions, being elongated about the axis of the sleeve member
tation of said outer portion of said sleeve member in said
for only said ?rst sleeve position, to permit rotation of said
outer portion of said sleeve member for said limited angu
one direction.
lar distance, thereby de?ning an abutment engageable by
References Cited-in the ?le of this patent
said pin for rotating said shaft member in one direction,
‘and being elongated from said abutment to the more remote end of the axial elongation to de?ne a cam surface
for shifting said sleeve member from said other of said
positions to said ?rst of said positions in response to ro-
'
UNITED STATES PATENTS
2,498,651
2,665,904
2,810,435
CIOm ________________ __ Feb. 28, 1950
Lehmann ____________ __ J an. 12, 1954
Demi et a1 _____________ __ Oct. 22, 1957
Документ
Категория
Без категории
Просмотров
0
Размер файла
1 203 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа