GB932065A - Thread rolling machine - Google Patents
Thread rolling machineInfo
- Publication number
- GB932065A GB932065A GB43712/60A GB4371260A GB932065A GB 932065 A GB932065 A GB 932065A GB 43712/60 A GB43712/60 A GB 43712/60A GB 4371260 A GB4371260 A GB 4371260A GB 932065 A GB932065 A GB 932065A
- Authority
- GB
- United Kingdom
- Prior art keywords
- blank
- cam
- finger
- follower
- crank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H3/00—Making helical bodies or bodies having parts of helical shape
- B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
- B21H3/06—Making by means of profiled members other than rolls, e.g. reciprocating flat dies or jaws, moved longitudinally or curvilinearly with respect to each other
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Sewing Machines And Sewing (AREA)
- Tyre Moulding (AREA)
- Transmission Devices (AREA)
Abstract
932,065. Rolling screw-threads. HARTFORD SPECIAL MACHINERY CO. Dec. 20, 1960 [July 19, 1960], No. 43712/60. Class 83 (4). In a screw-thread rolling-machine in which a reciprocating platen 18 is mounted on an inclined table 13, Fig. 3, the supply of blanks from gravity feed tracks 66 is controlled by a pivoted arm 80, carrying a finger 83 which operates both as a gate to release each blank and as a pusher for wedging each blank into its starting position under the edge of the fixed platen 17. The platen 18 is reciprocated by a crank-wheel 50 through a crank-pin 63 and connecting-rod 60, the pin 63 having adjustment by eccentric 128 for changing the timed relationship of the platens. The arm 80 is oscillated by a cam 95 on the crank-wheel 50 through a pivoted follower 98 and link 102 which over one portion of the cam 95 act to retract the finger 83 so that it releases a blank. When the follower 98 engages a recessed portion of the cam 95 the finger 83 is urged forward to wedge the blank in position by a spring 105 attached between the follower 98 and a pin 106 on the table 13. Means for preventing operation of the cam 95 during setting &c. is provided by a releasable clamp 117 which normally holds the pivot 99 for the follower 98 in a fixed position on the end of an arm 100. Stops 90, 91 limit the movement of the finger 83 in the wedging position.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US43816A US3117473A (en) | 1960-07-19 | 1960-07-19 | Thread rolling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB932065A true GB932065A (en) | 1963-07-24 |
Family
ID=21929039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB43712/60A Expired GB932065A (en) | 1960-07-19 | 1960-12-20 | Thread rolling machine |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3117473A (en) |
| GB (1) | GB932065A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3839891A (en) * | 1973-03-26 | 1974-10-08 | Hartford Special Machinery Co | Roll forming machine drive mechanism |
| US4259758A (en) * | 1978-10-11 | 1981-04-07 | Keeler Corporation | Method of making a self-tapping screw |
| CN107096861B (en) * | 2017-06-29 | 2018-08-28 | 浙江科佳机械有限公司 | Screw thread rolling system of processing |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1104091A (en) * | 1913-12-29 | 1914-07-21 | Waterbury Farrel Foundry Co | Thread-rolling machine. |
| US1696225A (en) * | 1925-05-08 | 1928-12-25 | Western Electric Co | Thread-forming mechanism |
| US1773539A (en) * | 1926-05-27 | 1930-08-19 | Hartford Empire Co | Cam structure |
| US1798920A (en) * | 1930-01-20 | 1931-03-31 | Waterbury Farrel Foundry Co | Threading machine |
| US2309126A (en) * | 1940-04-02 | 1943-01-26 | Gen Motors Corp | Rolling machine |
| US2672774A (en) * | 1951-01-25 | 1954-03-23 | Illinois Tool Works | Thread rolling apparatus |
| US2859647A (en) * | 1954-05-12 | 1958-11-11 | Illinois Tool Works | Article feeding mechanism |
| US2767588A (en) * | 1954-09-15 | 1956-10-23 | George F Drury | Variable stroke mechanism |
-
1960
- 1960-07-19 US US43816A patent/US3117473A/en not_active Expired - Lifetime
- 1960-12-20 GB GB43712/60A patent/GB932065A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3117473A (en) | 1964-01-14 |
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