Patent US1683152A successfully refreshed from Google Patents.
Patent US3146471A successfully refreshed from Google Patents.
US3146471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bolt making machine with pointer mechanism
Assignee: National Machinery Co
•
Filing: 1961-02-08
•
Granted: 1964-09-01
•
Expires: 1981-02-08
Abstract
No abstract record available.
Inventors
- 👤 Edmondson Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:00
CPC Classifications
B; B23; B23G; B23G9/00; B23G9/001; B23G9/004; Y; Y10; Y10T; Y10T408/00; Y10T408/50; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18288; Y10T74/20; Y10T74/20006; Y10T74/20576; Y10T74/20582; Y10T74/20612; Y10T74/20618
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN A BOLT MAKING MACHINE INCLUDING A HEADER OPERABLE TO FORM BLANKS HAVING A HEAD AND A SHANK AND A THREAD ROLLER OPERABLE TO ROLL THREADS ON THE SHANK THE COMBINATION THEREWITH OF A POINTER COMPRISING A POINTER FRAME, A ROTATING CUTTER ON SAID FRAME, A CHUCK RECIPROCABLE IN SAID FRAME BETWEEN A RETRACTED POSITION AND A TERMINAL POSITION CLOSER TO SAID CUTTER THAN SAID RETRACTED POSITION, FIRST AND SECOND GRIPPERS ON SAID CHUCK OPERABLE TO GRIP THE HEAD AND SHANK OF A BLANK RESPECTIVELY, A LINKAGE ASSOCIATED WITH EACH GRIPPER, EACH LINKAGE INCLUDING A MEMBER RESILIENTLY URGED TOWARD A PREDETERMINED POSITION RELATIVE TO SAID FRAME AND A CAM MOUNTED ON SAID CHUCK ENGAGING SAID MEMBER AND CONNECTED TO OPERATE THE ASSOCIATED GRIPPER IN RESPONSE TO RELATIVE MOVEMENT BETWEEN SAID MEMBER AND CAM WHEN SAID CHUCK MOVES FROM SAID RETRACTED POSITION, SAID MEMBERS
Claim 2
Dependent Claim
143 words
IN A BOLT MAKING MACHINE INCLUDING A HEADER OPERABLE TO FORM BLANKS HAVING A HEAD AND A SHANK AND A THREAD ROLLER OPERABLE TO ROLL THREADS ON THE SHANK THE COMBINATION THEREWITH OF A POINTER COMPRISING A POINTER FRAME, A ROTATING CUTTER ON SAID FRAME, A CHUCK RECIPROCABLE IN SAID FRAME BETWEEN A RETRACTED POSITION AND A TERMINAL POSITION CLOSER TO SAID CUTTER THAN SAID RETRACTED POSITION, FIRST AND SECOND GRIPPERS ON SAID CHUCK OPERABLE TO GRIP THE HEAD AND SHANK OF A BLANK RESPECTIVELY, A LINKAGE ASSOCIATED WITH EACH GRIPPER, EACH LINKAGE INCLUDING A MEMBER RESILIENTLY URGED TOWARD A PREDETERMINED POSITION RELATIVE TO SAID FRAME AND A CAM MOUNTED ON SAID CHUCK ENGAGING SAID MEMBER AND CONNECTED TO OPERATE THE ASSOCIATED GRIPPER IN RESPONSE TO RELATIVE MOVEMENT BETWEEN SAID MEMBER AND CAM WHEN SAID CHUCK MOVES FROM SAID RETRACTED POSITION, SAID MEMBERS
References Cited (Backward Citations)
US585762A
Cited
US905600A
Cited
US1300240A
Cited
US1975537A
Cited
US2020660A
Cited
US2783687A
Cited
US2811876A
Cited
GB842282A
Cited
US3056981A
Cited
US2918333A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |