Work holders – Relatively movable jaws – With means to fasten holder to support
Patent
1988-01-25
1989-12-26
Watson, Robert C.
Work holders
Relatively movable jaws
With means to fasten holder to support
269219, B23Q 300
Patent
active
048893307
ABSTRACT:
A pair of bars form a vise, and are clamped together against a tool blade to be notched by a file. One clamp screw passing through the bars acts as a constant reference for one side of a tool blade, while a second clamp screw is repositioned in a clearance holes to accommodate various widths of blades. A top edge of the vise is used as a reference for blade extension, and a bottom edge is used to support the assembly on a bench top while in use.
REFERENCES:
patent: 2761475 (1956-09-01), LaHayne
patent: 3358990 (1967-12-01), Anton
patent: 3423082 (1969-01-01), Reyner
patent: 3490759 (1970-01-01), Troutner
patent: 4405002 (1983-09-01), Catalano
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