Work holders – Relatively movable jaws – With means for 'hold-down' component of force
Patent
1989-06-16
1991-10-15
Hartman, J. J.
Work holders
Relatively movable jaws
With means for 'hold-down' component of force
269101, 269138, 269157, 269217, B23Q 302
Patent
active
050567667
ABSTRACT:
A vise for use with a machining table having an elongated T-slot in its upper surface includes a stationary jaw and a jaw support transversely extending over the T-slot and clamped against the table in spaced relation to one another by a clamping device centrally extending through the jaw and jaw support into the T-slot. A movable jaw is mounted on the jaw support with its gripping surface facing the gripping surface of the stationary jaw and its opposite surface inclined to the table. A wedge member having an inclined surface conforming to the inclined surface of the movable jaw is located between the movable jaw and the jaw support. Adjustment of the vertical position of the wedge member relative to the table enforces a horizontal motion of the movable jaw to grip a work piece located between the jaws. An auxiliary base member with a T-slot in its upper surface is also provided upon which the vise may be alternatively mounted for portable free-standing use.
REFERENCES:
patent: 2667799 (1954-02-01), Rzepela
patent: 3565417 (1971-02-01), Degle
patent: 3785635 (1974-01-01), Lassy et al.
patent: 4406445 (1983-09-01), Seidel
patent: 4643411 (1987-02-01), Izumi
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