US4088313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring actuated woodworking clamp
Assignee: Individual
•
Filing: 1977-04-19
•
Granted: 1978-05-09
•
Expires: 1997-04-19
Abstract
Abstract A first clamp jaw extends in prolongation of one clamping nose of a spring actuated pliers type clamp. A rod extends perpendicularly from the back side of the other clamping nose of the pliers type clamp. A second clamp jaw is slidable on said rod to receive workpieces of widely varying thicknesses between said two jaws.
Inventors
- 👤 Hilding A. Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:15
CPC Classifications
B; B25; B25B; B25B5/00; B25B5/06; B25B5/068
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
In a spring actuated pliers type clamp for thin workpieces, said clamp having a pair of lever arms pivotally joined together intermediate their ends, said arms having convergent nose ends for clamping thin workpieces; the improvement comprising a first clamp jaw extending in prolongation of one of said nose ends and detachably secured to the back side thereof by a bolt, a block detachably secured to the back side of the other nose end by a bolt, a bore in said block perpendicular to said other nose end, a rod secured at one end in said bore and extending away from said other nose end, and a clamp jaw slidably mounted on said rod for clamping thick workpieces between said two jaws.
Claim 2
Dependent Claim
122 words
In a spring actuated pliers type clamp for thin workpieces, said clamp having a pair of lever arms pivotally joined together intermediate their ends, said arms having convergent nose ends for clamping thin workpieces; the improvement comprising a first clamp jaw extending in prolongation of one of said nose ends and detachably secured to the back side thereof by a bolt, a block detachably secured to the back side of the other nose end by a bolt, a bore in said block perpendicular to said other nose end, a rod secured at one end in said bore and extending away from said other nose end, and a clamp jaw slidably mounted on said rod for clamping thick workpieces between said two jaws.
References Cited (Backward Citations)
US397470A
Cited
US2040669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-05-08 | 1981-11-07 | 1982-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-08 | 1985-11-07 | 1986-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-08 | 1989-11-07 | 1990-05-09 | $7700.00 | Window Closed / Lapsed |