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Патент USA US2403581

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July 9, 1946.
s. L. CASEL'LA
2,403,581
CROSS SLIDE.
Filed Aug. 6, 1945
s Sheets-Shee’d 1
INVENTOR’
5ECONDO L. CASE! LA
I
Iv
ATTORNEY
s. L. CASELLA
'
- 2,403,581
CROSS SLIDE‘
'
Filed.‘ Aug. 6, 1945
5 Sheets-Sheet 2
Pr '
1w.J.1qI1 . .
_
_
’
INVENTOR
SL-‘CONDO L, c4551 m
E
BY
(\
ATTORNEY
July 9,1946.
-
s, L, ¢ASELLA
'
'
'
2,403,581
CROSS SLIDE
Filed Aug. 6, 1943
120%?
GE
,
3 Sheets-Sheet 3
INVENTOR
$£c0N00 4. 045511;; __
BY
'
ATTORNEY
Patented July 9, 1,946
2,403,581
UNITED STATES PATENT OFFICE
2,403,581
CROSS SLIDE
Secondo L. Casell'a, New York, N. Y., assignorto
Morey Machinery 00., Inc., New York, N. Y., a
corporation
Application August 6, 1943, Serial No. 497,620
5 Claims.
.
'1.
,
(CI. 82-24) '
.
‘
This invention relates to ‘cross slides, and it
is particularly directed toa cross slide fora lathe.
‘An object of this invention is to provide a cross
slide of the character described, having‘ highly
improved means for ‘moving the slide relative to 5
the saddle-‘for both rough. and line adjustment.
A further object of this invention is to provide
in a cross slide of the character, described, a
2 ~
Fig. 6 is a sectional View taken on line 6-—6 of
Fig. 1.
‘
Fig. '7 is a sectional view taken on line 'i—'! of
Fig. 5.
Fig. 8 is a, sectional view taken on line 8—3 of“
Fig. 5.
' Referring now in detail to the drawings, refer
ence numeral H3 designates the bed of a turret
lathe provided with parallel ways H; and refer
saddle vslidably mounted on the bed of the lathe,
and a slide ‘mounted 'on the saddle for trans 10 ence numeral [2 designates a cross slide embody
verse movement relative ‘to the bed, a gear rotat
ing the invention, and mounted on said ways.
ably mounted on the saddle, a rack meshing with
The cross slide l2 comprises, generally, a saddle
the gear, and a screw rotatably and non-slidably
l3 and a slide it slidably mounted thereon. The
connected to the slide and having threaded en~
saddle [3 comprises a wall 45 having a pair of
gagement within a threaded opening in the rack, 15 aligned surfaces l6 contacting the top surfaces
of the ways I l . Extending downwardly from wall
whereby the slide can be moved by rotating the
gear or by turning the screw.
'
E5 are front and rear guides i‘! and Na having
Yet a further object of this invention is to
inner surfaces I8 and Ida, respectively, contact
ing outer surfaces of said ways I l.
provide in a cross slide, of the character described,
a highly improved brake means to hold the gear 20
Attached to the undersides of the guides ll and
against movement when turning the screw.
_
Ila, as by screws I9, are gibs 2E3 engaging the
A still further object of this invention is to pro
undersides of the ways I l. The wall 35 is formed
on the underside thereof with a longitudinal slot
‘vide a cross slide of the character described, in
cluding a lever for rotating the gear which meshes
25, and slidably mounted in said slot is longi
tudinal rack 25 formed with gear teeth 2'1 on
with the rack on the slide, and means on the lever
to actuate the brake to retain the gear against
movement.
-
~
the underside thereof. ,
'
The rack 20 is formed with a longitudinal
through opening 28. At the forward end of the
Still a further object of this invention is to
provide a strong, compact, and durable cross slide
of the'ycharacter described, which shall be rela
tively inexpensive to manufacture, smooth and
positive in operation, and practical and ef?cient
longitudinal dove-tailed groove 33.
to a high degree in use.
is slidably mounted on the saddle and has a dove
7
'
Other objects of this invention will in part be
obvious and in part hereinafter pointed out.
The invention accordingly consists in the fea
tures of construction, combinations of elements,
and arrangement of parts which will be exempli
tied in the construction hereinafter, described,
and of Which the scope of the application will be
indicated in the following claims.
.
‘ i
In the accompanying drawings, in which is
shown various possible illustrative embodiments
of this invention,
.
Fig. 1 is an elevational'view of a cross slide
embodying the invention, on the bed of a lathe,
and with parts broken away and in cross section.
rack, the opening 28 is formed with screw threads
29 for the purpose hereinafter appearing.
The saddle i2 is formed on this upper side with
The slide M
tail projection 34 on itsunderside received with
in the dove-tail groove 35. The slide may be
formed with usual T slots at, both longitudinal
and transverse to mount the front and rear two
posts 31.
,Fixed to the forward end of the slide iii, is a
bearing member 435. Non-slidably jcurnalled in
said member 46 is a longitudinal shaft at having
an elongated threaded portion 42 extended with
in the opening 28 of the rack member 26, and
engaging the threads .29. Keyed to the forward
end of shaft 4! is a hand wheel I55, having a hub
45 receiving the shaft.
Mounted, on the hub 45
, Fig. -2 is a sectional view-taken on line 24-2 of
andv ?xed thereto by said screw Qt’, is a dial mem
ber 41, which may be appropriately stamped or
Fig. 1.
marked with a scale Illa.
Fig. 3 is a sectional view taken on line 3-43 of
‘
Member 40 has a pointer 58a at the top to co
4 is a sectional view taken on line 4-4 of
operate with the scale.
The saddle I2 is provided with a pair of spaced,
parallel aligned bearing members 5t. Journalled
Fig. 5 is a ‘sectional view taken on line 5—5 "of
within said bearing members is a horizontal shaft
5|‘. Mounted on said shaft and between said
Fig. 2.7
,
’
Fig. 3.
v1‘.
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‘
2,403,581
4
towards the bottom wall 16a of the cup, for the
purpose hereinafter appearing. The wings 94,
are normally loose within the cylindrical wall 16.
When they are forced apart, however, they will
It will now be understood that rotation of the
shaft 5| will cause rotation of the segmental gear, (a engage the inner surface of said cylindrical wall,
thus serving as a brake for the shaft 5 I.
and hence, longitudinal movement of the rack
Means is provided controlled by the lever 10
26, and of shaft 4| and slide I4. Furthermore,
to actuate the brake 90. To this end, lever por
rotation of the hand wheel 44 will cause move
tion ‘H has a downward extension 98 projecting
ment of the slide relative to the rack and saddle
due to the threaded engagement between the 10 below the shaft 5|. Said extension is formed
with a slot 99 to provide a pair of parallel walls
shaft portion 42 and the internal threads 29 of
I00. Said parallel walls I00 are formed with
the rack. The shaft 5! may thus be rotated to
aligned openings IIII in which is journalled a
obtain quick or rough adjustment of the slide,
transverse pin I02.
whereas the handwheel 44 may be rotated to ob
Mounted on said pin is a Wedge member I94.
tain ?ne adjustment.
15
Wedge member I94 is formed with an eye por
Means is provided to rotate the shaft 5|. To
tion I05 disposed between the walls I09 and re
this end shaft 5| is formed at one end with a
ceiving the pin I02 therethrough. Extending
transverse vertical slot 55 forming a pair of paral
from the eye I05 is a wedge I06 received between
lel walls 60 on opposite sides of said slot. The
the ends 91 of the brake wings 94. Wedge I96
walls 66 are formed with aligned bearing open
tapers to conform tothe inclinededges} 91..
ings 61. The axis of said openings is perpen
It will now be understood thatwhen lever 10 is
dicular to the axis of shaft 5| and crosses said
rotated in a counter-clockwise direction, (looking
axis. Mounted within said openings 51 is a trans
at Fig. 5 of the drawings) the wedge pin I66 will
verse pivot pin 68. Mounted on said pivot pin
for rotation about the axis thereof, is a lever '69 25 be moved toward the bottom Wall of the cup and
force brake wings 94 apart to grip the cylindrical
having an upwardly extending handle.
_
wall 16b of the cup, thus causing a braking action
The lever 19 has a portion ‘II received within
for retaining shaft 5| against movement.
the slot I35 and contacting the inner surfaces of
In this position, segmental gear is‘ retained
walls 66. The lever may be ?xed to the pivot
bearings 59, and keyed to the shaft, as by a Wood~
ruff key 52, is a segmental gear 53 having teeth
54 meshing with the teeth 21 of the rack 26.
pin 51 by a set screw 1Ia.
One of the walls 66 may be formed with an
opening 3'2 and the lever may be provided with
socket 14. In the socket is a spring pressed
hall 15 adapted to snap into opening '52 to retain
the lever against accidental rotation about the
of pin 68 in the position of the lever shown
in full lines.
In this position, the lever may he
against rotation, thus permitting the hand‘wheel
44 to be rotated for the screw adjustment of the
slide.
'
.
.
The friction of the wedge I96 between the brake
wings 94 will retain the lever in braking position.
In such position, the lever cannot be rotated side
ways about the axis of the shaft 5|. Portion-‘1|
of the lever is furthermore formed with airin
clined edge III] adapted to contact "the, bottom
rotated about theaxis of shaft 5| to rotate ,
surface 5Ia of the slot 65 to serve as a stop for
gear 53.
In this position, furthermore, edge portion 19b 40 limiting wedge movement of the wedge pin I06,
of the lever, contacts the inner surface File of
shaft 5! at the bottom of the slot
It will oe
noted that the lever can be rotated about the
axis of pin 58, for the purpose therefor appear
The slide l4 may be provided with a pair of
symmetrical stop screws I20 disposed on oppo
site sides of a stop IZI, ?xed to the saddle ._|3 for
limiting movement'of the slide relative to the
saddle.
mg.
V
v,
45
The cross slide may be moved longitudinally
When it is desired to rotate shaft 5!, the lever
of the bed In by means of an internal ‘screw
19 is ?rst rotated in clockwise direction about
threaded nut I25, fixed to the saddle, and receiv
the
of said pivot pin to the position shown
ing therethrough a screw shaft I26 meshing'with
in Fig. 5 of the drawings and in this position the
ball 15 snaps into the opening 12, and edge 191) 50 said nut. The shaft I26 may be rotated in any
suitable manner. The nut I25 may be provided
contacts the bottom surface 5Ia of the slot 65.
with enlarged internal screw threaded openings
The lever may then be rotated to the right or
I21 at the ends thereof, to which are screwed
left about the axis of the shaft 5| for moving the
slide, as heretofore explained.
_
pipes I30 covering the shaft.
‘ '
Having thus described my invention, I claim
Means is provided to retain the said segmental 55
as
new and desire to secure by Letters Patent: -'
gear 53 against movement so that the hand wheel
1. In a cross'slide, a saddle,'a slide slidably
44 may be rotated for moving the slide I4 rela
mounted thereon, a rack slidably mounted rela
tive to the rack. To this end there is ?xed to
tive to said slide, screw threaded means rotatably
one of the bearing members 59, a brake cup 16
and non-slidably connected to the slide and hav
concentric with shaft 5|. Said cup 16 has a 60 ing threaded engagement with said rack, a shaft
bottom wall 16a ?xed to the bearing as by screws
on said saddle, a gear on said shaft meshing with
11. It also has a cylindrical wall 15b extending
said rack,‘ and a lever on said shaft for rotating
from said bottom wall.
the same about its axis, said lever being pivoted
The bottom wall 16a has a central opening 160
to said shaft about an axis perpendicular to and
to freely receive the shaft 5|. Mounted on the 65 intersecting the longitudinal axis of said shaft,
shaft 5| and disposed within the cup 16 is a
2. ?xed brake member ?xed to said saddle, an
brake member 90 formed with a central opening
expandible brake member keyed to the shaft and
9| to receive said shaft. Brakermember 90 is
keyed to the shaft 5| by key 92. Said brake
rotatable therewith and disposed within the ?rst
brake member, and means on the lever to expand
, member 90 is formed with a center hub 93, from 70 the second brake member and cause it'to grip the
which there extend integral semi-circular wings
?rst brake member.
-'
2. In a cross slide, a saddle adapted to be slid
94, connected to the hub as at 95, at a point
ably mounted on the bed of a lathe, a slide slid
diametrically opposite to the end portions 91 of
ably mounted on the saddle transversely thereof,
said wings.
The end portions 91 are-inclined inwardly and 76 a rack extending longitudinally of said slide,_,a
2,403,581
5
6
shaft on said saddle, a gear keyed to the shaft
and meshing with said rack, screw threaded
a pivot pin on said shaft traversing said slot and
intersecting the axis of said shaft, a lever having
a portion received within said slot and pivoted to
said pivot pin, a brake cup ?xed to said saddle
and surrounding said shaft, an expandible brake
member within said cup surrounding said shaft
means to cause movement of said slide relative
to said rack, said shaft being formed with a slot,
a pivot pin on said shaft traversing said slot and
intersecting the axis of said shaft, a lever having
a portion received within said slot and pivoted
to said pivot pin, a brake cup ?xed to said saddle
and surrounding said shaft, an expandible brake
member within said cup surrounding said shaft 10
ed to release the expanded means in one angular
and keyed to said shaft, and means on a lever
position thereof about said pin and being adapted
to expand said expandible member to grip the
inner surface of said cup.
to actuate said expanding means in another posi
tion thereof about said pin, and means to limit
rotation of said lever about said pin upon moving
and keyed to said shaft, and ‘means on a lever
to expand said expandible member to grip the
inner surfaces of said cup, said lever being adapt
3. In a cross slide, a saddle adapted to be slid
ably mounted on the bed of a lathe, a slide slid 15 said lever towards either of said positions.
ably mounted on the saddle transversely thereof,
5. In a cross slide, a saddle adapted to he slid
a rack extending longitudinally of said slide, a
ably mounted on the bed of a lathe, a slide slid
shaft on said saddle, a gear keyed to the shaft
ably mounted on the saddle transversely thereof,
and meshing with said rack, screw threaded
a rack extending longitudinally of said slide, a
means to cause movement of said slide relative
shaft on said saddle, a gear keyed to the shaft
to said rack, said shaft being formed with a slot,
and meshing with said rack, screw threaded
a pivot pin on said shaft traversing said slot and
means to cause movement of said slide relative
intersecting the axis of said shaft, a lever having
to said rack, said shaft being formed with a slot,
a portion received within said slot and pivoted
a pivot pin on said shaft traversing said slot and
to said pivot pin, a brake cup ?xed to said saddle 25 intersecting the axis of said shaft, a lever having
and surrounding said shaft, an expandible brake
a portion received within said slot and pivoted
member within said cup surrounding said shaft
to said pivot pin, a brake cup ?xed to said saddle
and keyed to said shaft, and means on a lever
and surrounding said shaft, and expandible brake
to expand said expandible member to grip the
member within said cup surrounding said shaft
inner surface of said cup, said lever being adapted
and keyed to said shaft, and means on a lever
to release the expanded means in one angular
to expand said expandible member to grip the
position thereof about said pin and being adapted
inner surface of said cup, said lever being adapted
to actuate said expanding means in another posi
to release the expanded means in one angular
tion thereof about said pin.
position thereof about said pin and being adapted
4. In a cross slide, a saddle adapted to be slid 35 to actuate said expanding means in another posi
ably mounted on the bed of a lathe, a slide slid
tion thereof about said pin, means to limit rota
ably mounted on the saddle transversely thereof,
tion of said lever about said pin upon moving said
a rack extending longitudinally of said slide, a
lever towards either of said positions, and spring
shaft on said saddle, a gear keyed to the shaft
ball means to retain said lever in brake release
position.
and meshing with said rack, screw threaded
means to cause movement of said slide relative
to said rack, said shaft being formed with a slot,
‘
SECONDO L. CASELLA.
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