Counterbalanced reciprocating mechanism

Details Counterbalanced reciprocating mechanism Counterbalanced reciprocating mechanism

1993-12-28

1996-06-04

Peterson, Kenneth E.

Cutlery

Cutting tools

Saw

30277400, 74 50, B23D 4916

Patent

active

RE0352586

ABSTRACT:
The motor drives the crown gear which has an upwardly projecting eccentric drive pin which drivingly engages the channel fixed on the spindle which reciprocates in the fixed tube and supports a saw blade. The induced vibration is counterbalanced by the reciprocating counterbalance which slides on the outside of the tube. The crown gear has a cylindrical drive member which engages the cylindrical hole in the transfer block. The transfer block is moved in an orbital path and the opposed parallel sides engage and reciprocate the counterweight. The crown gear and cylindrical drive member have material removed to counterbalance the two drives.

REFERENCES:
patent: 2639737 (1953-05-01), Forsberg
patent: 2793661 (1957-05-01), Olson
patent: 3170496 (1965-02-01), Kohler et al.
patent: 3547166 (1970-12-01), Dudek
patent: 3729822 (1973-05-01), Batson
patent: 3863342 (1975-02-01), Griffies et al.
patent: 3897630 (1975-08-01), Glover et al.
patent: 3945120 (1976-03-01), Ritz
patent: 3971132 (1976-07-01), Griffies et al.
patent: 4699036 (1987-10-01), Henne
patent: 4976164 (1990-12-01), Lentino
patent: 5099705 (1992-03-01), Dravnieks

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