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US 2023/0144587 A1Published application
Door rotating jack
OwnerJhacson Saavedrainventor
Life of this patent
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Abstract
A pair of jacks for lifting doors to facilitate adding hardware to the doors, each jack comprising: a clamp for clamping one end of a door; a swivel connected to the clamp via a cylindrical member; a telescoping shaft attached to the rear end of the cylindrical member; a crank arm attached to the top of the telescopic shaft for selectively adjusting the height of the telescoping shaft; and a base including at least four wheels for moving the jack along the floor, wherein the bottom of the shaft is attached to the base.
Claims10
A pair of jacks for lifting doors to facilitate adding hardware to the doors, each jack comprising:
- a. a clamp for clamping one end of a door;
- b. a swivel connected to the clamp via a cylindrical member;
- c. a telescoping shaft attached to the rear end of the cylindrical member;
- d. a crank arm attached to the top of the telescopic shaft for selectively adjusting the height of the telescoping shaft;
- and
- e. a base including at least four wheels for moving the jack along the floor, wherein the bottom of the shaft is attached to the base.
3 more elements
Dependencies are inferred from the claim text.