Class Information
Number: 401/71
Name: Coating implements with material supply > Solid material for rubbing contact or support therefor > Including means to advance material > Screw feed > Oppositely oriented helices
Description: Implement, provided with an additional member having a camming surface concentric with and rotatable, but axially immovable, relative to the first member, the two camming surfaces being of opposite inclination so as to converge at a point where they are in camming engagement with the cam element.
Patents under this class:
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