Reciprocating saw

Details Reciprocating saw Reciprocating saw

1977-10-31

1979-03-27

Yost, Frank T.

Cutlery

Cutting tools

Saw

17 23, 83748, B23D 4912, A22B 520

Patent

active

041458117

ABSTRACT:
A reciprocating blade saw wherein the counterbalancing of the drive system includes the provision of two directly opposed and coaxial rams, one attached to the saw blade and the other having a mass equal to the first ram plus the blade, both being attached to a crankshaft by links which have their masses symmetrically distributed. The crankshaft is driven by a hydraulic motor, and all the masses are so matched that the saw is in balance at all speeds and can be operated at high speeds with minimal vibration. The saw is designed for use particularly in the meat industry.

REFERENCES:
patent: 2573573 (1951-10-01), Jenkins
patent: 2895514 (1959-07-01), Wright
patent: 2924106 (1960-02-01), Bohm et al.
patent: 2949944 (1960-08-01), Blachly
patent: 3155128 (1964-11-01), Godfrey et al.
patent: 3266534 (1966-08-01), Carnesecca, Jr. et al.
patent: 3729823 (1973-05-01), Bos et al.
patent: 3832772 (1974-09-01), Sumida
patent: 4031622 (1977-06-01), Alexander
patent: 4038721 (1977-08-01), Kendzior

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