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US 5,141,190 AGranted
Adjustable base pad device
OwnerMu C. Wuinventor
Life of this patent
Estimating the term…
Abstract
A base pad device having a hardened and lapped base pad threaded to a corner of a bottom of a base and an adjustment knob turnably mounted on top of the base, the adjustment knob integral with a socket to non-rotatably receive a rectanglar head of the base pad for a height adjustment operation.
Claims1
An adjustable base pad device comprising:
- a frame member having a pair of spaced apart side walls and a pair of spaced apart top wall and bottom wall to define a passageway extending therethrough;
- a brace member adapted to be press-fitted in the passageway of the frame member;
- a plurality of openings vertically aligned in the top wall and bottom wall of the frame member and brace member;
- a depression formed in the top wall of the frame member to define a flange portion around the opening in the top wall of the frame member;
- a nut member mounted to the brace member and having a screw hole aligned with the openings;
- a screw pad having a shaft formed with a screw adapted to extend through the opening in the bottom wall of the frame member and engage the nut member and a regular polygonal end protruding from the screw hole of the nut member;
- and
- a knob integral with a socket extending downwardly through the opening in the top wall of the frame member to non-ratatably receive the regular polygonal end of the shaft of the screw pad and a groove circumferentially formed around a side wall of the knob to rotatably engage the flange portion of the top wall of the frame member.
5 more elements
Dependencies are inferred from the claim text.