Clamping assembly

Details Clamping assembly Clamping assembly

1993-12-29

1995-06-13

Dorner, Kenneth J.

Joints and connections

Interfitted members

Including set screw

403403, 403309, 40155, G09F 110, F16B 700

Patent

active

054236266

ABSTRACT:
A clamp assembly for use in constructing a picture frame consists of two superposed, separate plates. One plate has threaded apertures for the receipt of jacking screws, and the other has recesses for engaging the tips of the screws, the axes of which are offset when the lateral edges of the plates are in mutual registry; adjacent interior edges of the plates are serrated for increased gripping power. Advancement of the screw separates and shifts the plates to move the serrated edges toward one another, thus applying lateral as well as a transverse clamping and gripping forces upon the frame members.

REFERENCES:
patent: 2217656 (1940-10-01), Boehme
patent: 3534490 (1970-10-01), Herbert
patent: 3620558 (1971-11-01), MacMillan
patent: 3965601 (1976-06-01), Nielsen
patent: 4122617 (1978-10-01), Nielsen
patent: 4356650 (1982-11-01), Antonczyk et al.
patent: 4377915 (1983-03-01), Zossimas et al.
patent: 4403434 (1983-09-01), Jenkins
patent: 4490064 (1984-12-01), Ducharme
patent: 4516341 (1985-05-01), Jenkins
patent: 4694598 (1987-09-01), Eisenloeffel
patent: 4718184 (1988-01-01), Sherman
patent: 4859109 (1989-08-01), Targetti
patent: 4896992 (1990-01-01), Muhlethaler
patent: 5015118 (1991-05-01), Sewell et al.

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