Work holders – Plural holders to hold workpieces relative to each other – Workpieces normal to each other
Patent
1986-09-03
1988-01-05
Watson, Robert C.
Work holders
Plural holders to hold workpieces relative to each other
Workpieces normal to each other
269243, B25B 120
Patent
active
047171316
ABSTRACT:
The welding clamp is used to hold a first metal structure against a second metal structure for welding both structures together. A mounting bracket means having longitudinal rod means extending therefrom is temporarily tack welded to the first structure to support the welding clamp. In another embodiment, the welding clamp utilizes a mounting bracket means having a pair of L-shaped arms extending therefrom. The arms grip a pair of C-shaped channel members which are temporarily mounted by tack welds to one of the structures to be welded. In another embodiment, the welding clamps can be modified into a welding fixture particularly well suited for welding end brackets or other similar structures to tubular members.
REFERENCES:
patent: 1175811 (1916-03-01), Ray
patent: 1831082 (1931-11-01), Spilsburg
patent: 2360417 (1944-10-01), Grenfell
patent: 3182988 (1965-05-01), Woodall
patent: 3883128 (1975-05-01), Breese
patent: 4300754 (1981-11-01), Lawrence
patent: 4475726 (1984-10-01), Smith
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