Variable speed drive assembly

Details Variable speed drive assembly Variable speed drive assembly

2005-08-23

2005-08-23

Bucci, David A. (Department: 3682)

Endless belt power transmission systems or components

Means for adjusting belt tension or for shifting belt,...

Pulley shifter

C474S101000

Reexamination Certificate

active

06932730

ABSTRACT:
A variable speed drive assembly with a double pulley, and a transmission input pulley. A first belt extending between a power source and a double pulley and a second belt extending between the double pulley and the transmission input pulley. A linkage assembly operating to move the double speed pulley toward the transmission input pulley to increase the vehicle speed. The drive assembly capable of disengaging or placed in a neutral condition when power to the vehicle is removed.

REFERENCES:
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patent: 4176560 (1979-12-01), Clarke
patent: 4285419 (1981-08-01), Anderson
patent: 4301902 (1981-11-01), Gatsos et al.
patent: 4364735 (1982-12-01), Plamper et al.
patent: 5012632 (1991-05-01), Kuhn et al.
patent: 5897450 (1999-04-01), May
patent: 6282873 (2001-09-01), Wilken
patent: 6364794 (2002-04-01), Plamper et al.
Copy of the International Search Report (4 pages).

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