US PATENT SUBCLASS 482 / 117
.~.~.~ Ball and socket friction elements

Current as of: June, 1999
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482 /   HD   EXERCISE DEVICES

92  DF  USER MANIPULATED FORCE RESISTING APPARATUS, COMPONENT THEREOF, OR ACCESSORY THEREFOR {8}
114  DF  .~ Utilizing frictional force resistance {2}
115  DF  .~.~ Including rotating friction element {3}
117.~.~.~ Ball and socket friction elements

DEFINITION

Classification: 482/117

Ball and socket friction elements:

(under subclass 115) Subject matter wherein one of the contacting surfaces is on a spherically shaped member and mates with the other surface which is on a partially surrounding member.

(1) Note. Either of the ball or the socket contacting surfaces may be on the turning member.