Work holders – Plural holders to hold workpieces relative to each other – Workpieces normal to each other
Patent
1993-03-17
1995-01-17
Watson, Robert C.
Work holders
Plural holders to hold workpieces relative to each other
Workpieces normal to each other
269111, 292813, 292815, B25B 120
Patent
active
053820100
ABSTRACT:
An article of furniture is provided having an improved corner joint. The furniture includes a pair of spaced apart end pieces, each end piece including corners with pockets formed in the corners by bent flanges. The pockets have a square cross-sectional shape and the flanges form all four sides of the pockets. A pair of tubes are shaped for close engagement in the pockets. A pair of fixtures and hand clamps are provided, the fixtures including plates adapted to engage the openings formed by the tubes. Clamps on the plates are actuatable to hold the end pieces and the tubes to the perimeter of the plates in a predetermined shape and the hand clamp improve surface flushness of the corner joint during welding. By this arrangement, the furniture components are clamped together in a highly dimensionally accurate arrangement which is both square and repeatable.
REFERENCES:
patent: 2606583 (1952-08-01), O'Connor
patent: 3066962 (1962-12-01), Koehler
patent: 3392972 (1968-07-01), Wing
patent: 4305575 (1981-12-01), Bardes
patent: 4673174 (1987-06-01), Tabbert
patent: 4805315 (1989-02-01), Nesbitt
Dufon Dennis L.
Gerdes Raymond J.
Metalarc Inc.
Watson Robert C.
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