US PATENT SUBCLASS 474 / 80
.~.~ And including belt-shifter mechanism

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


474 /   HD   ENDLESS BELT POWER TRANSMISSION SYSTEMS OR COMPONENTS

69  DF  CONTROL FOR VARIABLE INPUT TO OUTPUT SPEED-RATIO {7}
78  DF  .~ Including belt shiftable axially from one to another surface of stepped pulley or coaxial pulleys of different diameter {2}
80.~.~ And including belt-shifter mechanism {2}
81  DF  .~.~.~> For shifting belt from both power input and power output pulleys
82  DF  .~.~.~> Shifter mechanism including parallelogram linkage

DEFINITION

Classification: 474/80

And including belt-shifter mechanism:

(under subclass 78) Subject matter and further including a device for moving the belt* in the direction parallel to the longitudinal extent of the axis of rotation of the pulley.

SEE OR SEARCH THIS CLASS, SUBCLASS:

3, 6, 83, 102+, and 122+, for other structure involving lateral shift of a belt such as for reversing the direction of rotation of a load driving member, for causing a change in speed ratio, for removing a belt from a pulley or for correcting belt training deviation.

SEE OR SEARCH CLASS

19, Textiles, Fiber Preparation,

241, for belt shifting to accomplish speed change in a fiber drafting device. [figure]