US PATENT SUBCLASS 294 / 81.5
.~ Load supporting units

Current as of: June, 1999
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294 /   HD   HANDLING: HAND AND HOIST-LINE IMPLEMENTS

81.1  DF  SPACING HOIST BAR OR FRAME {5}
81.5.~ Load supporting units {5}
81.51  DF  .~.~> Pivotal about horizontal axis
81.52  DF  .~.~> Rotatable about vertical axis {1}
81.54  DF  .~.~> Horizontally slideable
81.55  DF  .~.~> Underlying load spanning support and sling
81.56  DF  .~.~> Hook

DEFINITION

Classification: 294/81.5

Load supporting units:

(under subclass 81.1) Devices wherein the load engaging units have portions disposed in a horizontal plane to thereby bear the load against gravity.

SEE OR SEARCH THIS CLASS, SUBCLASS:

67.2+, for L-shaped frames, the lower leg of which bears the load against gravity.

67.3+, for frames having a single distinct load engaging unit with a horizontal portions which bear the load against gravity.

81.6+, for spacing hoist bars or frames with load engaging units which grip the load.