US3576144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Part loader for turret lathes or the like
Assignee: Individual
•
Filing: 1969-06-20
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Granted: 1971-04-27
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Expires: 1989-06-20
Abstract
Abstract Loading tooling, for workpieces with noncircular portions gripped in a continuously rotating chuck of a turret lathe or like machine, comprises on the chuck a gripping socket and an element having a pin-receiving hole parallel to the axis of rotation with a lead-in groove; and on the turret, shiftable between a hand loadable and a transfer position, a transfer device including a snubbed body rotatable on a turret-received shank having a frictional workpiece gripping recess, and a pin so located on the body relative to the recess that upon axial turret-shifting of the device in transfer position relative to the chuck, that pin pickup in the hole rotatingly picks up the body with the workpiece aligned for reception and gripping in the chuck.
Inventors
- 👤 Frank L Strah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:19
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/04; B23B29/12; B23B29/20; B23B29/24; B23B29/242; B23B31/00; B23B31/02; B23B31/10; B23B31/107; B23B31/1071; B23Q; B23Q7/00; B23Q7/04; B23Q7/043; Y; Y10; Y10S; Y10S279/00; Y10S279/90; Y10T; Y10T279/00; Y10T279/35; Y10T483/00; Y10T483/16; Y10T483/17; Y10T483/1702; Y10T483/1707; Y10T483/171; Y10T82/00; Y10T82/25; Y10T82/2514; Y10T82/2593
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
243 words
Tooling for loading a series of like workpieces into a continuously rotationally driven chuck, where the gripped portion of said workpieces as gripped represents a surface other than cylinder coaxial with the rotational axis of said chuck, comprising: means on the chuck providing an annular surface conCentric with said rotational axis and a pin-receiving socket opening at said annular surface extending parallel to said rotational axis, said socket offset from said rotational axis and from the workpiece-gripping region of the chuck, a rotatable loading head rotatable about a rotational axis perpendicular to a working face of the head, means mounting the head with its rotational axis alignable with the rotational axis of said chuck and for relative reciprocation with respect to said chuck when said rotational axes are aligned and working face of said head is disposed toward said chuck, said loading head including a finder pin projecting parallel to the head axis from said working face and receivable in said socket upon advance of said head means toward said gripping device whereby the head means is rotationally drivably coupled to the rotating chuck, said loading head including workpiece-gripping means adapted in workpiece-receiving shape to hold a piece so oriented relative to said pin that, after engagement of the pin in said socket in continuing relative approach between said head and said means, said workpiece is presented to said gripping device in correct loading disposition and orientation to be received and gripped therein.
Claim 2
Dependent Claim
243 words
Tooling for loading a series of like workpieces into a continuously rotationally driven chuck, where the gripped portion of said workpieces as gripped represents a surface other than cylinder coaxial with the rotational axis of said chuck, comprising: means on the chuck providing an annular surface conCentric with said rotational axis and a pin-receiving socket opening at said annular surface extending parallel to said rotational axis, said socket offset from said rotational axis and from the workpiece-gripping region of the chuck, a rotatable loading head rotatable about a rotational axis perpendicular to a working face of the head, means mounting the head with its rotational axis alignable with the rotational axis of said chuck and for relative reciprocation with respect to said chuck when said rotational axes are aligned and working face of said head is disposed toward said chuck, said loading head including a finder pin projecting parallel to the head axis from said working face and receivable in said socket upon advance of said head means toward said gripping device whereby the head means is rotationally drivably coupled to the rotating chuck, said loading head including workpiece-gripping means adapted in workpiece-receiving shape to hold a piece so oriented relative to said pin that, after engagement of the pin in said socket in continuing relative approach between said head and said means, said workpiece is presented to said gripping device in correct loading disposition and orientation to be received and gripped therein.
Claim 3
Dependent Claim
18 words
Tooling as described in claim 1, wherein the first said means is removably changeably secured on said chuck.
Claim 4
Dependent Claim
59 words
Tooling as described in claim 1, with said loading head further mounted for swing, about an axis perpendicular to its axis of rotation, to and from aligned condition relative to said gripping device, whereby the working face of said loading head may be swung away from said chuck for insertion of a workpiece to be loaded into said chuck.
Claim 5
Dependent Claim
20 words
Tooling as described in claim 3, including means associated with said loader head for exerting a rotation retarding drag thereon.
Claim 6
Dependent Claim
43 words
Tooling as described in claim 1, wherein the first said means providing the pin-receiving socket includes in said annular surface an arcuate pin lead-in groove concentric with the chuck rotational axis leading with increasing depth from the direction of rotation into said socket.
Claim 7
Dependent Claim
27 words
Tooling as described in claim 1, wherein the workpiece-gripping means on said head comprises a piece-receiving recess in said working face and workpiece-engaging means in said recess.
Claim 8
Dependent Claim
22 words
Tooling as described in claim 6, wherein a spring biased plunger slideable in said head provides a yieldable bottom for said recess.
Claim 9
Dependent Claim
31 words
Tooling as described in claim 1, wherein the workpiece-gripping means on said head comprises a piece-receiving recess in said working face and frictional workpiece-engaging means in opposed walls of said recess.
Claim 10
Dependent Claim
26 words
Tooling as described in claim 6, wherein said piece-receiving recess is provided in a changeable block removably secured in a cavity formed in said working face.
Claim 11
Dependent Claim
38 words
Tooling as described in claim 6, wherein said peice-receiving recess is provided in a changeable block removably secured in a cavity formed in said working face; the effective bottom of said recess formed by an outwardly spring-biased platform.
Claim 12
Dependent Claim
33 words
Tooling as described in claim 9, wherein said loading head is provided with a plurality of pin-receiving apertures in which a said pin may be removably secured selectively for adaptation to different workpieces.
Claim 13
Dependent Claim
46 words
Tooling as described in claim 1, adapted to load workpieces in which the gripped portion has N-fold rotational symmetry about the axis of chuck rotation and wherein the first said means provides N pin-receiving sockets equiangularly and equiradially spaced about and from the chuck rotational axis.
Claim 14
Dependent Claim
39 words
Tooling as described in claim 12, wherein the first said means includes for each said socket an arcuate pin lead-in groove concentric with the chuck rotational axis leading with increasing depth into said socket from the direction of rotation.
Claim 15
Dependent Claim
45 words
Tooling as described in claim 1, wherein said loading head includes a body, a shank adapted to be secured in a tool holding turret of an automatIc screw machine or the like, and bearing means in said body rotatably mounting the body on said shank.
Claim 16
Dependent Claim
72 words
Tooling as described in claim 14 including an arm secured in fixed relation relative to said shank and supporting a friction pad biased against a cylindrical surface on said body coaxial with the shank, thereby providing a drag braking said body upon pin-disengaging retraction of the loading head from the chuck and, upon engagement of said pin with said annular surface, dragging said pin on said annular surface to find said socket.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-26 | 1974-10-26 | 1975-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-26 | 1978-10-26 | 1979-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-26 | 1982-10-26 | 1983-04-27 | $7700.00 | Window Closed / Lapsed |