Reciprocating blade saw

Details Reciprocating blade saw Reciprocating blade saw

B - Operations, Transporting

27

B

143/44

B27B 19/02 (2006.01) A22B 5/20 (2006.01)

Patent

CA 1046905

ABSTRACT A drive system for a reciprocating blade saw wherein a motor rotates an eccentric which rocks a bell crank to recip- rocate the saw blade, the eccentric and the bell crank being associated with masses which rotate and rock 180° out of phase with the eccentric and bell crank and are so propor- tioned as to counterbalance those elements and minimize the vibration of the system. The counterbalancing masses are divided and mounted each side of the working elements so that no lateral torque forces are developed.

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