B - Operations – Transporting – 23 – D
Patent
B - Operations, Transporting
23
D
B23D 55/06 (2006.01) B27B 13/00 (2006.01)
Patent
CA 2251101
-19- A precision bandsaw (21) with a timing belt based drive assembly which includes a timing pulley (37) which is unkeyed from a gear input shaft (47) of a gear reducer assembly (38). The timing pulley (37) is resiliently coupled to the gear input shaft (47) by a spring assembly, and the timing pulley assembly (37) includes a belt supporting member or assembly (53,64) formed for support of a timing belt (36) thereon and rotatable mounted to the gear input shaft (47). A drive member (56) is keyed to the gear input shaft (47), and the belt supporting member (53,64) and drive member (56) are resiliently coupled together by springs (82) for transmission of drive forces from the belt supporting member (53,64) through the springs (82) to the drive member (56) and thereafter to the gear input shaft (47) of the gear reducer assembly (38).
Hem Inc.
Riches Mckenzie & Herbert Llp
LandOfFree
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