Automatic stepless speed-changing mechanism

Details Automatic stepless speed-changing mechanism Automatic stepless speed-changing mechanism

2006-07-18

2006-07-18

Charles, Marcus (Department: 3682)

Endless belt power transmission systems or components

Pulley with expansible rim means or pulleys with alternately...

Structure for variably adjusting radius of rim section

C474S050000, C474S055000

Reexamination Certificate

active

07077771

ABSTRACT:
An automatic stepless speed-changing mechanism mainly includes a pivotal shaft, a plurality of mounting discs mounted along the pivotal shaft and provided with radially extended guide rails, a plurality of axial rods separately axially extended through the guide rails to slide and rotate therein, a transmission gear, a restoring mechanism, and driving members mounted on the axial rods, and a transmission member wound around the driving members. The driving members are preferably gears, and the transmission member is preferably a chain. When the transmission member brings the driving members to move, the axial rods, which are connected to the driving members and the transmission gear and the restoring mechanism, are caused to slide within the guide rails, resulting in changes in a radius of turn of the driving members to provide the function of automatic stepless change of speed.

REFERENCES:
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patent: 5984814 (1999-11-01), Davenport
patent: 6152844 (2000-11-01), Daugherty

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