Self leveling weld fixture

Details Self leveling weld fixture Self leveling weld fixture

1998-10-16

2000-07-04

Crispino, Richard

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1565802, 156391, 269 75, 24834605, 29559, B32B 3100, B23Q 125

Patent

active

060833335

ABSTRACT:
A welding fixture (30) can hold a part (12) that is to be welded by a weld head (22) that has a flat head surface (32) that must press against a flat part surface (56), where the fixture automatically tilts to assure that the surfaces lie coplanar so the fixture can be fixed in that position. The fixture has upper and lower assemblies (60, 62) that respectively include upper and lower washers (84, 92) with mating spherical surfaces (96, 98) that allow the upper assembly to pivot about horizontal axes with respect to the lower assembly. The washers have central holes (102, 104), and a bolt (112) extending through the central holes can be tightened to clamp the upper and lower assemblies together after the upper assembly has been tilted to the desired orientation. The spherical surfaces are preferably centered on a sphere center (100) that lies above the fixture, with the spherical surfaces subtending an angle (C) of no more than about 60.degree. with respect to the sphere center.

REFERENCES:
patent: 3661661 (1972-05-01), Berleyoung
patent: 4491306 (1985-01-01), Eickhorst
patent: 4934671 (1990-06-01), Laninga
patent: 6012711 (2000-01-01), Cipolla
patent: 6019154 (2000-02-01), Ma et al.

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