Implements or apparatus for applying pushing or pulling force – Hoisting truck – Screw
Patent
1976-04-19
1978-05-23
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Hoisting truck
Screw
254 89R, B66F 714
Patent
active
040906892
ABSTRACT:
An apparatus for supporting and transporting gymnastic equipment such as uneven parallel bar assemblies, including a wheeled frame-like structure and lifting devices thereon having associated therewith members for engaging a bar portion of a device to be lifted and transported, the lifting devices being adjustable to raise the gymnastic equipment or the like off of the floor, support it in an elevated condition while it is being transported and stored, and lower it when it is desired to reinstall it for use.
REFERENCES:
patent: 450570 (1891-04-01), Hammer
patent: 1014801 (1912-01-01), Beard
patent: 1576721 (1926-03-01), Conrad
patent: 2546425 (1951-03-01), Broeker
patent: 2724572 (1955-11-01), Weinberg
patent: 2903258 (1959-09-01), Jovanovich
patent: 3559981 (1971-02-01), Abshear
Enzenauer Sharon Sue
Schaeffer Donna Jean
Haverstock Charles B.
Watson Robert C.
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