(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.
