Patent US3935771A successfully refreshed from Google Patents.
US3935771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punch and stripping guide assembly
Assignee: Houdaille Industries Inc
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Filing: 1975-02-10
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Granted: 1976-02-03
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Expires: 1995-02-10
Abstract
Abstract Tooling for use in a punching device, the tooling being a punch and stripping guide assembly, comprises a stripper sleeve guiding a punch having a threaded end encircled by a stripping spring which is preloaded by a threaded punch head secured thereto, the threaded end and the threaded head having hexagonal axial openings in which a locking rod of corresponding cross-section is disposed.
Inventors
- 👤 Percy L. Cady, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:51
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/26; B21; B21D; B21D28/00; B21D28/24; B21D28/34; B21D28/346; B21D45/00; B21D45/003; B21D45/006; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2135; Y10T83/215; Y10T83/2155; Y10T83/2159; Y10T83/929; Y10T83/9457; Y10T83/9473; Y10T83/9476
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
107 words
Tooling for use in a punching device, said tooling comprising: a. a punch-guide and stripper sleeve; b. a punch having a body slidably disposed in said sleeve and having a threaded upper end portion, said threaded end portion having an axial opening of non-circular cross-section; c. a punch head threaded onto said end portion and having an axial opening therethrough of non-circular crosssection; d. a stripping spring acting between said sleeve and said punch head to urge the lower end of said punch into said sleeve; and e. a locking rod of non-circular cross-section extending into both of said openings for preventing rotation of said punch head.
Claim 2
Dependent Claim
107 words
Tooling for use in a punching device, said tooling comprising: a. a punch-guide and stripper sleeve; b. a punch having a body slidably disposed in said sleeve and having a threaded upper end portion, said threaded end portion having an axial opening of non-circular cross-section; c. a punch head threaded onto said end portion and having an axial opening therethrough of non-circular crosssection; d. a stripping spring acting between said sleeve and said punch head to urge the lower end of said punch into said sleeve; and e. a locking rod of non-circular cross-section extending into both of said openings for preventing rotation of said punch head.
Claim 3
Dependent Claim
19 words
Tooling according to claim 1 in which said rod has the physical properties of one of urethane and plastic.
Claim 4
Dependent Claim
11 words
Tooling according to claim 1 in which said rod is nonmetallic.
Claim 5
Dependent Claim
16 words
Tooling according to claim 1 in which said rod has a snug fit in said openings.
Claim 6
Dependent Claim
17 words
Tooling according to claim 1 in which said rod has an axial opening for receiving rod-removal means.
Claim 7
Dependent Claim
16 words
Tooling according to claim 1 in which said axial opening and said rod have hexagonal cross-sections.
Claim 8
Dependent Claim
26 words
Tooling according to claim 1 including means on said punch receptive of a hand tool for adjusting the positon of said punch head on said punch.
Claim 9
Dependent Claim
20 words
Tooling according to claim 1 including an axial opening of non-circular cross-section disposed in the lower end of said punch.
Claim 10
Dependent Claim
20 words
Tooling according to claim 6 in which said lower end of said punch has an axial opening of hexagonal crosssection.
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) | 1979-02-02 | 1979-08-04 | 1980-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-02-02 | 1983-08-04 | 1984-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-02-02 | 1987-08-04 | 1988-02-03 | $7700.00 | Window Closed / Lapsed |