US3934316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamping device
Assignee: Individual
•
Filing: 1974-08-05
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Granted: 1976-01-27
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Expires: 1994-08-05
Abstract
Abstract The device comprises a preferably C-chaped member having clamping pieces at opposite ends. Each clamping piece has means for rotating the piece and opposite surfaces for engaging with a work piece. The device is functional as either a clamp or jack and in another embodiment the C-shaped member is formed in multiple sections which may be fixed in different relative positions.
Inventors
- 👤 David M. Driscoll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:20
CPC Classifications
B; B25; B25B; B25B5/00; B25B5/06; B25B5/10; B25B5/101; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44265; Y10T24/44291; Y10T24/44342; Y10T24/44966; Y10T24/44974
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
285 words
A combination clamp and jack comprising; a support member having a center section and two end sections, means for securing the center section and end sections to form a unitary support member wherein said end sections can assume different positions relative to the center section, said means for securing including a first securing member coupling one end of the center section with one end of one of said end sections to permit said one end section to rotate through at least 180° relative to said center section and where said first securing member includes means for fixedly securing the one end section in a clamp position and for fixedly securing the one end section in a jack position, and a second securing member coupling the other end of the center section with one end of the other end section to permit said other end section to rotate through at least 180° relative to said center section and wherein said second securing member includes means for fixedly securing the other end section in a clamp position and for fixedly securing the other end section in a jack position, the other end of said one end section defining an end surface for engagement with a work piece, a claimping piece received by the other end of the other end section and having a surface for engagement with a work piece, and means associated with the clamping piece for moving the clamping piece relative to the one end section of the support member, whereby said securing members maintain said end sections in a clamp position wherein the work piece engaging surfaces are facing each other, and maintains said end sections in a jack position wherein the work piece
Claim 2
Dependent Claim
13 words
The combination of claim 1 whrein the securing means includes a nut and
Claim 3
Dependent Claim
27 words
The combination of claim 1 wherein said center section and end sections define a plane and said end sections are rotated within the plane to different positions.
References Cited (Backward Citations)
US554091A
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US780020A
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US1074272A
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US1542213A
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US2311042A
Cited
US2604352A
Cited
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Cited
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Cited
CH405967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-01-26 | 1979-07-28 | 1980-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-26 | 1983-07-28 | 1984-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-26 | 1987-07-28 | 1988-01-27 | $7700.00 | Window Closed / Lapsed |