Work holders – Relatively movable jaws – Convertible to other type or form of holder
Patent
1985-06-25
1986-04-22
Watson, Robert C.
Work holders
Relatively movable jaws
Convertible to other type or form of holder
269 98, 269182, 269253, 269261, 269283, B23Q 104
Patent
active
045837244
ABSTRACT:
A multiple-purpose vice for wood working includes a lead screw and two guide bars slidingly defined by two bench clamps on a bench, two center-rest clamping jaws mounted on two jaw bases slidingly inserted with the lead screw and the two guide bars for clamping flat-surface work piece, two universal clamping jaws rotatably mounted on the jaw bases for clamping irregular-shaped work piece and an outside-span clamping base clamped on the bench beyond the span between the two bench clamps for clamping larger work piece not allowed to be clamped within the span of two bench clamps.
REFERENCES:
patent: 825151 (1906-07-01), McLear
patent: 2881645 (1959-04-01), Kruchten
patent: 2990738 (1961-07-01), Zysset
patent: 4306709 (1981-12-01), Hurn
patent: 4341375 (1982-07-01), Romanin
patent: 4509731 (1985-04-01), Schaal et al.
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