Work holders – Relatively movable jaws – Weight of a vertically disposed panel actuates jaws
Patent
1979-09-25
1981-03-24
Watson, Robert C.
Work holders
Relatively movable jaws
Weight of a vertically disposed panel actuates jaws
B25B 514
Patent
active
042575850
ABSTRACT:
When beams are to be welded to large plates, temporary supporting structures comprising a pair of L-shaped horses, are used, each horse being provided with a slot extending mainly at 45.degree. upwardly/outwardly from the corner formed by the base flange and the waist of the L. A plate member, having a middle portion corresponding to the thickness of the beam and two flanges, angularly disposed with respect to the middle portion, connects the two horses. In use, the weight of the beam rests upon the middle portion of the plate member and locks the horses in supporting position. The horses are preferably provided with screws for clamping the flanges in the slots.
REFERENCES:
patent: 1557963 (1925-10-01), Barger
Gotaverken Arendal AB
Watson Robert C.
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