Indexing detent override mechanism

Details Indexing detent override mechanism Indexing detent override mechanism

1992-08-13

1993-10-05

Yost, Frank T.

Cutting

Rotatable disc tool pair or tool and carrier

With means to support work relative to tool

834771, 83490, 83581, B27B 524

Patent

active

052494969

ABSTRACT:
A motorized miter saw includes a base having a turntable mounted thereon for rotation about a vertical axis, a cutting unit having a mounting apparatus for securing the cutting unit on the turntable for movement to non-cutting and cutting positions relative to the turntable, and an indexing apparatus for releasably securing the turntable in predetermined positions of angular adjustment. The saw also includes a detent receiving recess at each predetermined position, a detent alignable by rotation of the turntable with any one of the recesses and a detent biasing member constantly biasing the detent into the specific recess which it is aligned. The indexing apparatus also includes a detent override apparatus selectively positionable to withdraw the detent form the recess and free the turntable for micro angular adjustment relative to any predetermined position, a latch for releasably securing the detent override apparatus in the detent withdrawal position, and a lock for releasably securing the turntable in any selected position of micro angular adjustment.

REFERENCES:
patent: 3487863 (1970-01-01), Buckley
patent: 3821918 (1974-07-01), Niehaus et al.
patent: 3948136 (1976-04-01), Gutowski et al.
patent: 3998121 (1976-12-01), Bennett
patent: 4011782 (1977-03-01), Clark et al.
patent: 4152961 (1979-05-01), Batson
patent: 4559857 (1985-12-01), Grossmann et al.
patent: 5042348 (1991-08-01), Brundage et al.

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