US PATENT SUBCLASS 414 / 733
.~.~.~ Grab orientation maintained during supporting arm manipulation

Current as of: June, 1999
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414 /   HD   MATERIAL OR ARTICLE HANDLING

680  DF  VERTICALLY SWINGING LOAD SUPPORT {9}
729  DF  .~ Grab {6}
732  DF  .~.~ Grab movable relative to its supporting arm {2}
733.~.~.~ Grab orientation maintained during supporting arm manipulation {1}
734  DF  .~.~.~.~> Grab suspended to swing freely

DEFINITION

Classification: 414/733

Grab orientation maintained during supporting arm manipulation:

(under subclass 732) Apparatus having means whereby the load seizing, grasping, or clamping means is maintained in a predetermined orientation during the time when it is caused to swing in a vertical plane by said lever means.