US PATENT SUBCLASS 414 / 429
.~ Opposed horizontally reciprocable engaging elements


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

426  DF  WHEEL AND WHEEL-TYPE ARTICLE HANDLER AND TRANSPORTER {4}
429.~ Opposed horizontally reciprocable engaging elements


DEFINITION

Classification: 414/429

Opposed horizontally reciprocable engaging elements:

(under subclass 426) Devices in which the wheel engaging means includes opposed horizontally reciprocable means designed to impart vertical movement to a wheel engaged therebetween.

(1) Note. The vertical component imparted to the wheel is caused by antifriction means provided on the reciprocable means or rotation of the wheel being engaged.

SEE OR SEARCH CLASS

254, Implements or Apparatus for Applying Pushing or Pulling Force,

104, for lifting devices in the form of a wedge not limited to any specific art.