Work holders – Holder inserted within work aperture – Inserted holder movable relative to work backup
Patent
1983-04-18
1984-02-14
Watson, Robert C.
Work holders
Holder inserted within work aperture
Inserted holder movable relative to work backup
B25B 514
Patent
active
044311737
ABSTRACT:
A welder's tool for use in adjusting the confronting edges of two plates to be welded together comprises a force applying body having legs adapted to straddle a gap between the edges and a bridge joining the legs, the bridge having an opening therein through which extends an axially adjustable drawbar terminating at one end in a carrier of such thickness as to pass through the gap. The carrier has an opening therein through which extends a force transmitting member that is of such length as to span the gap and engage both of the plates on opposite sides of the gap. Adjustment of the drawbar in one direction effects movement of the force transmitting member in a direction to bear on the corresponding surfaces of both plates and locate such surfaces in a common plane. The force transmitting member carries at one end thereof an adjustable thrust member which is operable to bear against one of the two plates to enable relative adjustment of the two plates so that the surfaces thereof confronting the force transmitting member may be located in different planes.
REFERENCES:
patent: 359815 (1887-03-01), Sargent
patent: 1309067 (1919-07-01), Heltzel
patent: 2952282 (1960-09-01), McHenry
patent: 3588082 (1971-06-01), Chiffoleau
patent: 3666159 (1972-05-01), Watson
patent: 3711920 (1973-01-01), Simmons
patent: 3952936 (1976-04-01), Dearman
patent: 4175735 (1979-11-01), Griffin
patent: 4195828 (1980-04-01), Peterson
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