Precision trimming device

Details Precision trimming device Precision trimming device

1980-06-30

1982-08-10

Peters, Jimmy C.

Cutlery

Cutting tools

With blade moving means

51241S, 83565, 83745, 409184, B26B 2500, B24B 1700, B26D 508

Patent

active

043430880

ABSTRACT:
A precision trimming device (18), which is provided for removing metal areas (12a) between contact pads (12) of a printed circuit board (10), includes a rotary drive motor (20) mounted for lateral and pivotal movement on a frame (22). The drive motor (20) supports a circular saw blade (24) which normally rests in a non-trimming position adjacent to the surface of the board (10). The saw blade (24) pivots into metal removing engagement with the board (10) by the action of a cam follower (50) on a camming bar (34). The frame (22) includes locator brackets (80, 82, 84 and 92) having pins (88) which are extendable into apertures (14) of the board (10) to facilitate locating the saw blade (24) for subsequent metal trimming.

REFERENCES:
patent: 2392819 (1946-01-01), Gruenberg et al.
patent: 2924316 (1960-02-01), Berninghaus
patent: 3209632 (1965-10-01), Reising
patent: 3527138 (1970-09-01), Boltz
patent: 3751856 (1973-08-01), Jorgensen

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