Power transmitting structure for a band saw

Details Power transmitting structure for a band saw Power transmitting structure for a band saw

1998-03-30

1999-04-06

Rada, Rinaldi I.

Cutting

By endless band or chain knife

83591, 74325, 74333, B23D 5506

Patent

active

058904115

ABSTRACT:
A power transmitting structure for a band saw includes a first and a second shaft, and each of the two shafts has a plurality of gears engaged with each other so as to transmit a power of a motor with several sets of speed options. Each of the gears freely mounted to the second shaft has a notch defined in an inner periphery defining a central hole thereof. The second shaft has a third shaft movably received therein which is controlled by a control member connected to a knob. The third shaft has a pawl member pivotally disposed thereto in the second shaft which has a slot defined through a peripheral wall thereof so that the pawl member is selectably engaged with one of the notches. The second shaft has a toothed portion to engage with a rotating part to which a band saw member is connected.

REFERENCES:
patent: 714567 (1902-11-01), Edgar
patent: 1654924 (1928-01-01), Douglas
patent: 1910320 (1933-05-01), Bullock
patent: 2684530 (1954-07-01), Weinberg
patent: 2830628 (1958-04-01), Pettigrew et al.
patent: 3908501 (1975-09-01), Aizawa
patent: 4766790 (1988-08-01), Harris

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