Power transmission with flexible drive member

Details Power transmission with flexible drive member Power transmission with flexible drive member

1997-02-18

1998-10-27

Hannon, Thomas R.

Endless belt power transmission systems or components

Belt having drive surfaces on opposite side edges of stacked...

474248, F16G 500

Patent

active

058271449

ABSTRACT:
A drive belt is disposed to transmit power between a pair of sheaves. The sheaves each have an axially adjustable member to vary the transmission ratio between the sheaves. The drive belt has a plurality of block members retained in endless fashion by a pivotal link chain mechanism. The blocks are loaded in compression during a portion of the travel between the sheaves and the chain is loaded in tension during another portion of the travel between the sheaves. The blocks transmit power when loaded in compression and the chain transmits power when loaded in tension. The drive belt therefore transmits power during both portions of travel between the sheaves. A lubrication and cooling liquid is supplied to one sheave at a location near the contact point of the drive belt.

REFERENCES:
patent: 4718881 (1988-01-01), Sugimoto et al
patent: 4767388 (1988-08-01), Tatara et al.
patent: 4943266 (1990-07-01), Mott
patent: 5242332 (1993-09-01), Douhairet et al.

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