Work holders – Holder inserted within work aperture – Inserted holder movable relative to work backup
Patent
1981-09-17
1983-07-12
Watson, Robert C.
Work holders
Holder inserted within work aperture
Inserted holder movable relative to work backup
33180R, B25B 514
Patent
active
043926410
ABSTRACT:
A tool for use in preparing two members to be welded to one another has a body provided with legs adapted to straddle a gap between the two members and a bridge joining corresponding ends of the legs. The bridge has an elongate slot therein through which extends a drawbar that terminates at one end in a hook which is capable of underlying and engaging the lower surface of only one of such members. The drawbar is adjustable to cause the hook to move toward the bridge and thereby effect relative adjustment of the confronting edges of the two members. The drawbar preferably carries a gauge which may be used to ascertain the relative positions of the lower surfaces of the two members.
REFERENCES:
patent: 359815 (1887-03-01), Sargent
patent: 2031398 (1936-02-01), Wagoner
patent: 3594890 (1971-07-01), Cordell
patent: 3762068 (1973-10-01), Clay
patent: 3869801 (1975-03-01), Lycan
patent: 4175734 (1979-11-01), Williams
patent: 4175735 (1979-11-01), Griffin
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