Saw blade lifting mechanism for sawing machine

Details Saw blade lifting mechanism for sawing machine Saw blade lifting mechanism for sawing machine

2006-07-10

2009-06-16

Ashley, Boyer D. (Department: 3724)

Cutting

Rotatable disc tool pair or tool and carrier

With means to support work relative to tool

C083S477200, C083S581000, C083S665000, C083S698510

Reexamination Certificate

active

07546791

ABSTRACT:
A saw blade lifting mechanism for a sawing machine includes a fixed table having a bottom transverse rod, a bracket pivoted to, a support member fastened to the transverse rod and provided with a sliding slot, a swinging member pivoted to the bracket and turnable backwards and forwards, a motor fixedly fastened to the swinging member and provided with an output shaft fastened with a saw blade, a first connecting member pivoted to the bracket, a second connecting member pivotally coupled between the first connecting member and the motor, a knife member affixed to the second connecting member, and a guide member affixed to the second connecting member and moveably inserted into the sliding slot of the supporting member such that when the swinging member is turned backwards or forwards the saw blade and the knife member can be synchronously lifted up or lowered down.

REFERENCES:
patent: 1527587 (1925-02-01), Hutchinson
patent: 1821113 (1931-09-01), Neighbour
patent: 4308777 (1982-01-01), Lawson
patent: 6736044 (2004-05-01), Chang

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