Patent US4132396A successfully refreshed from Google Patents.
US4132396A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glueing clamp assembly
Assignee: Individual
•
Filing: 1978-04-06
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Granted: 1979-01-02
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Expires: 1998-04-06
Abstract
Abstract Four bar clamps arranged with slots in the bars interlock to form a rectangular clamping assembly for holding rectangular and box-like members in position for glueing. The bar clamps include adjustable length means between a fixed pressure pad and threaded adjustable pressure pad.
Inventors
- 👤 George W. Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:26
CPC Classifications
B; B25; B25B; B25B5/00; B25B5/14; B25B5/142
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
173 words
A clamp assembly for rectangular work pieces providing holding on its four corners in four directions, comprising: (a) four bar clamps each including a bar, lockable carriage means reciprocably mounted on each end of each bar, head means releasably secured to each lockable carriage means with an adjustable stop pad mounted in one head on each bar clamp and an adjustable pressure pad in the opposite head means and means for releasably locking each carriage in a predetermined position on the bar end on which it is mounted, and; (b) a plurality of spaced slots in each bar extending from one edge of the bar to approximately the center thereof, arranged to mate with a slot of the other bars forming a rectangular frame of the bars with the ends of the bars extending outwardly from the enclosure, with the top edges of the bars in general planar alignment and with said stop pads and said pressure pads in general planar alignment spaced from the plane of the top edges of said bars.
Claim 2
Dependent Claim
173 words
A clamp assembly for rectangular work pieces providing holding on its four corners in four directions, comprising: (a) four bar clamps each including a bar, lockable carriage means reciprocably mounted on each end of each bar, head means releasably secured to each lockable carriage means with an adjustable stop pad mounted in one head on each bar clamp and an adjustable pressure pad in the opposite head means and means for releasably locking each carriage in a predetermined position on the bar end on which it is mounted, and; (b) a plurality of spaced slots in each bar extending from one edge of the bar to approximately the center thereof, arranged to mate with a slot of the other bars forming a rectangular frame of the bars with the ends of the bars extending outwardly from the enclosure, with the top edges of the bars in general planar alignment and with said stop pads and said pressure pads in general planar alignment spaced from the plane of the top edges of said bars.
Claim 3
Dependent Claim
39 words
The assembly of claim 1, wherein each head means is mounted on extension means providing an adjustable distance of the plane of said stop pads and said pressure pads above the plane of the top edge of said bars.
Claim 4
Dependent Claim
17 words
The assembly of claim 1, wherein said slots in said bars are spaced equidistance along the bar.
Claim 5
Dependent Claim
46 words
The assembly of claim 1, wherein each said carriage includes a depending extension and each said head means includes a depending extension, and fastening means securing said extensions together of both to an extension means for changing the distance between each carriage and each head means.
References Cited (Backward Citations)
US100642A
Cited
US3590458A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-01-01 | 1982-07-03 | 1983-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-01-01 | 1986-07-03 | 1987-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-01-01 | 1990-07-03 | 1991-01-02 | $7700.00 | Window Closed / Lapsed |