close

Вход

Забыли?

вход по аккаунту

?

Патент USA US3069085

код для вставки
Dec. 18, 1962
R. F. SHOUP ETAL
3,069,076
VOTING MACHINE
Filed May 9, 1960
4 Sheets-Sheet 1
JNVENTORS.
RANSOM E 57/000”
Dec. 18, 1962
R. F. SHOUP ETAL
3,069,076
VOTING MACHINE
Filed May 9, 1960
4 Sheets-Sheet 2
“a:
. s\
N
INVENTORS
PA/VSOM E .S‘HOl/P
BY [DNA/Q0 4. FOX SP.
ywzw
Dec. 18, 1962
R. F. SHOUP ETAL
3,069,076
VOTING MACHINE
Filed May 9, 1960
4 Sheets-Sheet 3
l M 1
INVENTORS.
FAA/.5‘ 0M £ swap
By [aw/1m A. Fm; Ski
WM
Dec. 18, 1962
R. F. SHOUP ETAL
3,069,076
VOTING MACHINE
Filed May 9. 1960
4 Sheets-Sheet 4
,
INVENTORS.
AMA/Jan E 57400!’
BY [DWAP? A. m»; SA’.
y/w 7%
ATTOf/VEX
United States Patent O Nice
1
3,069,076
ViTiTING MACHINE
Ransom F. Shoup, Bryn Mawr, and Edward A. Fox, Sr.,
Morton, Pa., assignors to Shoup Research and Develop
ment Corporation, Ridley Park, Pa., a corporation of
Pennsylvania
Fiied May 9, 1960, Ser. No. 27,825
7 Claims. (Cl. 235—54)
- 3,069,076
Patented Dec. 18, 1962
2
direction, to open the curtain and lock the voting spindles;
handle return members R-l, R-2, R-3, etc. (correspond
ing to return members 14 of Patent No. 2,826,365), and a
slide 16 (corresponding to slide 30 of Patent No. 2,826,
365), which is movable to the left, as viewed in FIG. 1,
to close switch .18 to cause motor M to move the main
cam bar in a direction to close the curtain, and which is
movable, to the right, to close switch 20 to cause motor
M to move the main cam bar in a direction to open the
This invention relates to a voting machine of the type
shown in Shoup Patents No. 2,054,102 and 2,826,365,
and other Shoup patents.
curtain. It will be noted that slide 16 is normally biased
to the right, or in curtain opening direction by spring 17.
(See FIGS. 1 and 4.)
.
One object of the invention is to produce an improved
The machine also includes conventional voting spindles
voting machine of the type set forth.
which are arranged in columns and are rotatable by
A further object is to produce a voting machine of the 15 handles H. In the drawings, only the lowest spindles
type set forth which includes improved means for pre
S-1 and S—2, of one column; spindles S~3 and S—4 of a
venting the opening of the curtain unless the voter has
second column, and spindles S-5 and 8-6 of a third
cast, at least, one effective vote.
column are shown, 'but it will be understood that each
A still further object is to produce a voting machine
which can be readily adapted for voting in a general elec
tion or in a selective primary election, and which in
column has about forty spindles and that the spindles are
connected by butter?y cams B-l, B-2, B-3, B-4, B-S,
etc., and pull straps P-l, P~2, etc., (corresponding to
butter?y cam 59 and pull strap 92 of Patent No. 2,876,
cludes voter-controlled means for enabling a voter who
mistakenly votes for a candidate of one party to nullify
the vote and to proceed to vote for a candidate of an
028) to an interlock 22 (corresponding to the inter-'
lock shown at the right-hand end of FIG. 2 of Patent No.
other party.
2,259,590) which is fragmentarily and diagrammatically
The full nature of the invention wil be understood from
the following speci?cation and the accompanying draw
ings, in which:
FIG. 1 is a diagrammatic, fragmentary, elevational
View with parts being omitted to show details of con
struction and the machine being shown available for
use by a voter before any vote has been cast.
FIG. 2 is an enlargement of the lower right-hand
corner of FIG. 1, certain parts being added and showing
the machine after one vote has been cast, but before the
curtain has been opened and the machine locked.
shown at the top of FIGS. 2 and 4. The manner in
which rotation of a voting spindle S—5 moves its corre
sponcling pull strap P-2 and its wedge W-S to im
mobilize the voting spindles assigned to other candidates
for the same o?ice; the manner in which the votes are
recorded, and the manner in which the voting spindles
are collectively reset, or restored, when the curtain is
opened, can be understood from the patents mentioned
and from other Shoup patents, and, therefore, are not
shown nor described.
The mechanism for making it impossible to open the
curtain, unless, at least, one effective vote is cast, in
lower left-hand corner of FIG. 1, but showing the parts
cludes a handle 24 (FIGS. 1 and 4A) which is pivoted to
in the position they assume when, at least, one voting
a part of housing 10 and carries lever 26 which is pivoted
spindle has been moved to vote-casting position, but
to link 28 which is pivoted to lever 30. Lever '30 is ful
before the curtain has been opened.
crumed at 31 to housing 10 and is pivoted at 32 to up
FIG. 4 is similar to FIG. 2 but shows the parts in the
right bar 34 which is guided for vertical movement by
position they assume after the curtain has been opened
pins 36 passing through slots 38 in said bar. The lower
and the voting mechanism has been locked against fur
end of bar 34 is pivoted at 39 to one end of lever 40
ther use.
45 which is fulcrumed at 42 to housing 10. The other
FIG. 4-A is a fragmentary, sectional view looking in
end of lever 40 is biased upwardly, or in counter-clock
the direction of line 4—A—4—A 011 FIG. 4 and showing
wise direction, by spring 44 to bring the lower corner 46
details of construction.
thereof into engagement with notch 47 which is formed
FIG. 5 is an enlarged, rear elevational view of the
in the adjacent end of slide 16. The mechanism referred
lower-left portion of PEG. 1, showing the position of the
to also includes a slide bar 50 which carries horizontal
parts after the curtain has been opened and the voting
lug 52 and spaced vertical lugs 54, and is normally biased
mechanism has been locked.
to the left, as viewed in FIGS. 1 and 4, by spring 56 to
FIG. 6 is an enlarged fragmentary, perspective View
bring lug 52 into registration with the upper edge 48
showing details of a voter-controlled correction mecha
of bar 34 and to bring lugs 54 into abutment with the
nism which enables a voter to nullify a vote mistakenly 55 vertical edges 55 of return members R-2, R-3, as will be
FIG. 3 is an enlarged rear elevational view of the
cast for a candidate of one party and to enable the voter
to cast a vote for a candidate of another party.
registers with the upper edge of bar 34 the latter can
FIG. 7 is an enlarged, fragmentary, elevational view
showing details, which are not readily seen in the other
not be moved upwardly, the corner 46 of’lever 40 can
not be disengaged from notch 47, and slide 16 can not
?gures.
The general structure and operation of the machine
illustrated can be understood from the Shoup patent
referred to. For the purpose of the present disclosure, it
seen from FIG. 1. It will be seen that, as long as lug 52
60 be moved to the right to close switch 20 and the curtain
remains closed.
However, as soon as a voting spindle such as spindle
8-5, is turned in vote-casting direction, its associated re
is su?icient to point-out that the machine includes a hous
turn member is moved upwardly and to the right, as
ing 10, a curtain 12 (corresponding to the curtain shown 65 viewed in FIGS. 1, 2 and 4. The functions performed by
in the prior Shoup Patent No. 2,054,102), which is mov
the upward movement of the return member form no part
able to closed position to provide privacy for a voter
of the present invention. But, movement of the return
using the machine and to an open position to admit
member, such as R-3, to the right, causes its vertical
the next voter; a main cam bar 14 (corresponding to
edge 55 to engage lug 54 and to move slide 50, to the
main cam bar 58 in Shoup Patent Nov 2,251,254), which
right or from the position shown in FIG. 1, to the posi
is moveable, in one direction, to close the curtain and
tion shown in FIG. 2. Movement of slide 50 to the right
reset, or restore, the voting spindles, and, in the opposite
in response to the rotation of a spindle in vote-casting
3,069,076
4
3
direction, moves lug 52 out of the way of upright bar
34. This permits the voter to turn handle 24 to raise ‘bar
34 against the action of spring 44, to disengage corner
pins 75, which, as shown in F168. 4A and 7, are carried
by the lower ends of the bell crank levers, will ride on
lands 66 of the comb bar. Engagement of pins 75 with
46 of lever 46 from notch 7 in slide 16.
lands 66 of the comb bar prevents rotation of the bell
This in turn,
permits spring 17 to pull slide 16 to the right, as viewed
in FIGS. 1 and 4, to open switch 18 and to close switch
29 which now energizes motor M to move cam bar 14 to
the left, as viewed in FIG. 1, to open the curtain.
Since the curtain opening and closing mechanism forms
cranks in either direction, and, hence, upward movement
of the associated spindle return members and the rotation
of the voting spindles as long as the curtain is open.
In a “declared” primary election, the voter announces
his political party before entering the voting booth and
no part of the present invention, and since it is shown in 10 the election officers set the machine so that the voter can
only turn voting spindles in the voting column, or col
the prior patents, it is not shown nor described in detail.
umns, assigned to said party. In a “selective” primary
Instead, only the linkage with which reversible motor M
election the voter does not declare his party aiiiliation and
reciprocates main cam bar 14 is diagrammatically shown
it is, therefore, necessary to provide means which, as soon
in FlGs. 5 and 6.
Since the voting spindles can only be used when the
curtain is closed, the machine also includes a locking
mechanism for preventing rotation of the voting spindles,
in either direction, as long as the curtain is open. This
locking mechanism operates to prevent upward movement
as the voter casts a vote for a candidate of one party will
immobilize all of the voting spindles assigned to candi
dates of all of the other parties running for the same
of?ce whereby the voter can only choose ‘between the
candidates of said party. To this end, bell crank levers
of the return members and, hence, any rotation of any of 20 L-l, L-2, L-3, etc., are connected, by pull straps P—3,
P-4, etc. (which are similar to pull straps P-1 and P—2)
the butter?y carns which are carried by the voting spindles,
to interlock 80 (which is similar to interlock 2.2). By this
and ‘which, as stated, can not be turned without raising
arrangement, if a voter turns on spindle, such as spindle
their associated return members.
S—5, in FIG. 2, pull strap P—3 is moved to the left and
As can be seen from FIGS. 4 and 5 of Patent No. 2,826,
365, the locking mechanism which prevents raising the 25 all pull straps engaged in interlock 89 will be immobilized.
Under these conditions, the voter can turn other spindles
return members and, hence, rotation of their respective
which are associated with return member R—3 (provided
return members (which includes parts 16, 18, 20, 22 and
such spindles are connected to an interlock other than
24, etc.), is permanently secured to the lower end of the
interlock 22). But the voter cannot turn any spindle as
corresponding return member 14 in said patent. That
arrangement was an improvement over the “restoring 30 sociated with any other return member, such as spindle
8-3, the pull strap P—4 of which is connected to interlock
frame” of Patent No. 2,054,102 and operates satisfac
torily. But, the permanent attachment of parts 16, 18, 20,
22, 24, etc., of Patent No. 2,826,365, to the lower end of
the return member, increased the weight and friction which
the voter turning a voting spindle must overcome. In
80. In other words, the voter can only vote for candi
dates to whom spindles associated with return member
the present invention is not secured to the lower end of
R~3 are assigned, but the voter cannot move any spindle
associated with any other return members even though
slide bar 65 is in the posi on of FIG. 2 in which it does
not immobilize the bell crank levers as it does in the posi
tion of FIG. 4.
spindle return member. Instead, the present mechanism
includes bell crank levers L-l, L—2, L-S, etc., one for
each spindle return member R4, R—2, R—3 (bell crank
L-l being omitted from the drawings). Each bell crank
is freely rotatable, in either direction, on a pivot 66, with
In a general election, in which bell crank levers L-L
L—‘2, L-3, etc., are either eliminated, or are disconnected,
if a voter turns on spindle, such as spindle S-5, and then
?nds that he made a mistake, or if he changes his mind,
the voter can rotate the spindle in the reverse direction to
cam bar 14, as in ‘FIGS. 1 and 3, lever 72 is rotated in
clockwise direction, as viewed in ‘FIG. 1, to move pin 71
out of the way of bracket 7ll'on comb bar 65, which is
nism whereby a voter can nullify a vote mistakenly cast
for a candidate ‘of one party and can proceed to vote for
order to reduce this work-load so as to make rotation
of the voting spindles easier, the locking mechanism of
push wedge W-S of pull strap P—2 back into interlock
one end 62 of each bell crank lever overlying, but not
secured to, a pin 63 carried by the horizontal extension 45 22 and the voter is free to turn any other spindle asso'
ciated with any other interlock, such as spindle S—1 or
or foot 64 of the adjacent spindle return member. By
5-2. But, because as shown in ‘FIG. 7, the bell crank
this arrangement, the force needed to turn a voting spindle
levers are not secured to the return members, movement
need only be enough to overcome the inertia of the spindle,
of a return member to its lower position will not restore
and its associated return member and bell crank lever,
its associated bell crank lever. In other ‘words, the re
and, therefore, is considerably less than that required to
verse rotation of a voting spindle, such as, voting spindle
turn a spindle constructed according to Patent No. 2,826,
S—5 will lower return member R—3, and will restore pull
365, in which the numerous parts of the locking mecha
strap P-2, and ‘wedge W~5 and will ‘free all of the pull
nism are permanently secured to the lower end of the re
straps associated with interlock 22 but it will not restore
turn member. The present locking mechanism also in
pull strap P—3 and wedge V —6 and will not free the pull
cludes a comb bar 65 which has spaced lands 66 and which
straps engaged in interlock 86. Therefore, if a voter mis
is constantly biased to the right, as viewed in PEG. 1 (to
takenly casts the ?rst vote for a candidate of the wrong
the left, as viewed in FIGS. 5 and 6) by a spring 68.
party, he cannot correct the mistake and will lose his
Comb bar 65 is provided with a pendent ‘bracket 7 6, FIGS.
vote.
1 and 6, which is engageable with a pin 71 carried by
To overcome this difficulty without losing tire advan
bell crank lever ‘72 which is pivoted at 74 to the housing
tage derived from the detachable engagement of the bell
10 (FIG. 6). Bell crank lever 72 carries a pin 76 which
crank lovers with the spindle return members, the present
rides in cam slot 78 in main cam bar 14. By this arrange
machine includes a voter-controlled correction mecha
ment, when pin 76 rides in the high portion of slot 78 in
now pulled by spring 63, to the position of FIG. 1 in
a candidate or" another party.
The correction mechanism referred to is best shown in
which bell crank levers L-l, L-2, L-l’a, are free to turn
from the position of FIG. 1 to FIG. 3. But, when cam
bar 14 is moved to curtain opening position of FIG. 5,
pin 76 ‘will ride in the lower horizontal portion of slot
78 and bell crank lever 72 will be rotated in a direction
to cause pin '71 to engage bracket '76‘ to push comb bar 65,
FIG. 6, and includes a rotary lever 82 which is jour
naled in housing 16 and the inner end of which carries
against the action of spring 63, from the position of
bar
tothe left, as viewed in FIGS. 1 and 2. This
causes the vertical edges 67 of lands 66 to engage the
FIGS. '1 and 3, to the position of FIGS. 4 and 5 in which
an arm 84 which carries a pin 86 which engages an ear
3'7 on bracket 76‘.
By this arrangement, a voter who
- kes a mistake can turn lever 82 to the right, as viewed
G. 6, to engage pin 86 with ear 37 and move comb
5
3,069,076
lower ends of the adjacent bell crank levers and move
them from the position of FIG. 2, back to the position
shown in FIG. 1. This movement of the bell levers
restores their respective pull straps and allows the voter
to turn any spindle.
In order to cushion the movement of comb bar 65 in
response to the action of spring 68, we provide spring 91
which is carried on stud 92 which is carried by housing
10 of the machine (FIG. 5).
The operation is as follows:
In a general election, a voter can vote for any candi
date for a given o?ice regardless of the party of the
candidate or of the voter. This can be done by turning
lever 9i? (FIG. 1), which turns all of the spindles in
that column, or by turning one or more voting spindles
in various columns. As stated, if the voter makes a mis
take, or changes his mind, he can rotate the mistaken
spindle in reverse direction to nullify the mistaken vote
and the voter can proceed to turn some other key or
6
P-3 and P-4, etc., to interlock 80, the machine can be
adapted for use in a selective primary election and that,
by removing pull straps P—3, P-4, etc., or by disconnect
ing them, the machine is adapted for use in a general
election.
It will also be noted that by providing correction lever
32 the voter can restore any bell crank lever which may
have been mistakenly moved, thus enabling a voter to
correct a mistake without any outside assistance which,
to prevent fraud, is strictly forbidden.
What we claim is:
1. The combination with a voting machine of the type
which includes:
at least one rotary voting spindle (S—5), which is
movable to a ?rst non-vote-casting .position (FIG.
A) and to a second vote-casting position (FIG. 2),
and a spindle return member (R-3) associated with
said voting spindle and movable, in one direction,
spindle.
upon rotation of a voting spindle to its second posi
In a declared primary, the election of?cer sets the
machine, by means of external controls, so that when
the voter enters the machine, only the voting spindles
assigned to the party to which the voter declared his
adherence, will be available for use and the voting spin 25
les assigned to all other parties will be locked. But,
tion, said return member being reversely movable
to move said voting spindle to its ?rst position of
in a selective primary, where the voter can select the
party for whose candidates he wishes to vote, in privacy
and after the curtain has been closed, bell crank levers
L-l, L-Z' etc., are used which, by being connected to
party-selecting interlock 80, will serve to immobilize the
spindles and associated return members of all parties
other than the party for which the voter casts the ?rst
a ?xed support (10),
a bell crank lever (L-3),
pivot means (60) mounting said bell crank lever on
said support,
said lever normally occupying a ?rst position in which
one end of said lever overlies the adjacent end (64)
of said return member whereby, movement of said
spindle return member in said one direction moves
said bell crank lever to a second position, said bell
crank lever being wholly disconnected from said
end of said spindle return member whereby reverse
movement of said return member leaves said bell
vote. As stated, if the voter ?nds he made a mistake,
or if he changes his mind, he can turn correction lever
82 to move comb bar from the position of FIG. 2, in
crank lever in said second position,
restoring means (65) engageable with the opposite
which interlock 80 is immobilized, back to the position
end (75) of said bell crank lever to move the latter
out of said second, and to said ?rst, position inde~
of FIG. 4 in which interlock 80 is free and the voter can
turn some other voting spindle.
When the voter is ?nished voting he has to open the
curtain so as to emerge from the machine, and, as will
be seen from FIG. 1, which shows the parts in the posi
tion they assume before any vote has been cast, but in
which the machine is available for use, the voter cannot
turn handle 24 because the upward movement of bar 34
is prevented by the registration of lug 52 with the upper
edge 48 of the bar. The inability of the voter to open
the curtain indicates to the voter that he has failed to cast
any effective vote.
On the other hand, as soon as one
voting spindle has been turned to, and left in, vote~ F
casting position, the lateral movement of its associated
return member engages adjacent lug 54 and moves comb
bar 65 to the right, or to the position of FIG. 4 in which
lug S2 is out of the path of movement of the upper edge
.8 of bar 34. This permits handle 24 to be rotated to
raise bar 34 and to take corner 46 of lever 40 out of
engagement with notch 47 in slide 16 which is now
moved to the right by spring 17 to close switch 20 which
pendently of the reverse movement of said return
member,
and voter-operated actuating means (82, 84, 86) for
operating said restoring means.
2. The structure recited in claim 1 in which said. re
storing means includes:
a slide movable into and out of engagement with the
opposite end of said bell crank lever,
and means normally biasing said slide out of engage
ment with said opposite end of said bell crank lever,
and in which said actuating means includes lever ac
cessible to a voter using the voting machine,
and linkage operatively connecting said lever to said
slide whereby rotation of said lever moves said slide
into actuating engagement with said opposite end
of said bell crank lever to restore said bell crank
lever to restore said bell crank lever to its ?rst
position.
3. The combination with a voting machine of the
type which includes:
a plurality of columns of voting spindles which are
curtain opening direction.
rotatable to a ?rst, non-vote-casting position and to
60
it will be noted that, when the main cam bar 14 moves
a second vote-casting position, and
to curtain opening position, bell crank 72 moves slide
spindle return members associated with said columns,
bar 50, against the action of spring 63, to the position of
respectively, each of said return members being
FIG. 4, in which lands 66 underlie pins 75 on the lower
movable, in one direction, upon movement of a
ends of bell crank levers L—1, L-2, etc., thereby immo
spindle in the associated column, to its second, vote
activates motor M to move the main cam bar 14 in
bilizing the corresponding spindle return members R-l,
11-2 and, hence, the voting spindles associated with said
return members.
From the foregoing it will be seen that the bell crank
levers L-l, L-2, etc., when connected to an interlock,
such as interlock 8i), serve as a party selecting mecha—
nism in a selective primary election, and that they serve
as a locking mechanism to prevent rotation of any of the
voting spindles assigned to other parties.
It will be seen that, by merely connecting pull straps 75
casting position and being movable in the opposite
direction to move said voting spindle back to its
?rst position, of
a ?xed support (10),
a plurality of bell crank levers (L-l, L-2, etc.),
pivot means (60) mounting said bell crank levers on
said support with one end of each of said levers
overlying the adjacent end of the associated return
member but being wholly disconnected therefrom,
whereby movement of a spindle return member in
5%
7
spindles upon movement of one spindle to said sec
said one direction also moves said bell crank lever
ond position,
in the corresponding direction but movement in the
a second interlock (8%), and
reverse direction of the return member does not
pull straps (P-3, P—4) operatively associated with said
affect the movement of said bell crank lever, manual
second interlock and with said return members,
ly operable restoring means to move said bell crank
said return members in such a manner that move
lever in said reverse direction,
ment
of one of said return members in said one direc
and locking means (P-Z, 3t?) operative on move
tion immobilizes the remaining return members and
ment of said bell crank lever for selectively prevent
their associated voting spindles.
ing movement of the remaining crank levers and
7.
The combination with a voting machine which in
10
their associated spindle return members.
cludes:
4. ‘The structure recited in claim 3 in which said look
a curtain,
ing means consists of an interlock (8d) and pull straps
a motor (M) for opening and closing the curtain,
(P-2, 'P-3) connected to the respective bell crank levers
a ?rst switch means (38) for energizing said motor to
and engaging said interlock whereby movement of one
close the curtain,
of said bell crank levers in response to the movement
a second switch means (26) for energizing said motor
of its associated spindle return member immobilizes the
to open said curtain,
remaining pull straps and prevents movement of their
a ?rst slide (in) movable to a ?rst position in which
associated spindle return members and of the voting
it activates said ?rst switch means (18) and to a
spindles in the columns associated with said spindle re
second position in which it activates said second
turn member.
switch means (20),
5. A voting machine including:
a plurality of columns of voting spindles, each of
which spindles is movable to a ?rst, non-vote-casting
position and to a second, vote-casting postion,
a: spindle return member (R-l, R-2, R-3) associated
second position,
at least one voting spindle (S-S) rotatable to a ?rst
non-vote-casting position and to a second, vote-cast~
ing position, and
with each of said columns and movable in one direc
tion on rotatation of a voting spindle in its associated
a spindle return member movable in one direction upon
movement of said spindle to its second position and
movable in the opposite direction to restore said
spindle to its ?rst position,
of a locking mechanism for preventing the opening of
said curtain unless said voting spindle has been
moved to, and is left in, its said second position,
column to its second, vote-casting position, said return
‘member being movable in the reverse direction to re
turn said voting spindle to its ?rst position,
an interlock (22),
means (P-1, P-2) operatively connected to said inter
lock and operable upon movement of one of said
said locking mechanism including
voting spindles to its second position to actuate said
a second slide (50‘),
interlock for immobilizing the remaining voting
spindles,
a locking element (L-l, L-2) associated separably
with each return member in such a manner that
movement of an associated return member in said
one direction engages and moves said locking ele 40
ment in the corresponding direction whereas move
ment of said associated return member in the re
immobilizing the remaining locking elements and
preventing movement of their associated return mem
bers in said one direction and, hence, immobilizing 50
the voting spindles associated with said return mem
bers.
6. A voting machine including:
a plurality of columns of voting spindles, each of which
spindles is movable to a ?rst, non-rot \msting posi
tion and to a second, vote-casting position,
spindle return members (R—2, R—3) associated with
position the other end of said lever engages and
immobilizes said ?rst slide,
said lever being movable, when said second slide is
in its second position, to a second position in which
said other end of said lever is disengaged from said
?rst slide to permit the latter to activate said second
switch means (44) for normally biasing said other
end of said lever into engagement with said ?rst slide,
and
means operable by the voter when said second slide
is in its second position for moving said lever into
its second position.
said columns, respectively.
operatively connected to said interlock to actuate
said interlock to immobilize the remaining voting
and moves said slide to a second position,
a lever (34) movable to a ?rst position in which one
end thereof engages said second lug when said sec~
‘ ond slide is in its ?rst position, and in which ?rst
of one of said locking elements, in response to the
said movement of its associated return member, for
pull straps (P-l, P-2) connected to said spindles and
a ?rst lug (54‘) carried by said second slide,
means (56) normally biasing said slide to a ?rst posi
tion in which said lug is in the path of movement of
said return member, whereby movement of said return
member in said one direction engages said ?rst lug
a second lug (52) carried by said second slide,
verse direction disengages it from said locking ele
ment,
and means (13-3, 13-4, 88) operable upon movement
a first interlock (22),
‘
means (17) normally biasing said slide (16) to its
(it)
References Cited in the ?le of this patent
UNITED STATES PATENTS
2,826,356
2,826,365
Shoup _______________ __ Mar. 11, 1958
Shoup _______________ __ Mar. ll, i958
Документ
Категория
Без категории
Просмотров
0
Размер файла
852 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа