Metal working – Filing
Patent
1983-08-18
1985-07-02
Briggs, William R.
Metal working
Filing
B23D 6902
Patent
active
045259089
ABSTRACT:
The device includes a base plate, a longitudinally slidable key vise carriage on the base plate, and an overhead support for a manually operable key file. The various components cooperate in such a manner as to permit adjustments in the successive spacing between cuts, angles of the cuts relative to the longitudinal axis of the key as viewed in plan, depth of the cuts and slope of the floor of the cuts, the latter adjustment being effected by securing the key in the key vise in various rotative positions.
REFERENCES:
patent: 2671946 (1954-03-01), Starrett
Briggs William R.
Pastoriza Ralph B.
Tri County Tool Inc.
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