Geometrical instruments – Indicator of direction of force traversing natural media – Attaching means
Patent
1987-11-09
1989-12-26
Cuchlinski, Jr., William A.
Geometrical instruments
Indicator of direction of force traversing natural media
Attaching means
33334, 33371, 33DIG1, 272DIG5, G01C 928
Patent
active
048888753
ABSTRACT:
An instrument used to level equipment, particularly useful with exercise equipment like a barbell. In preferred form, the instrument includes a tapered tube filled with a liquid and having a ball therein indicating level. The tube is supported and is magnetically coupled to a metal surface such as the barbell. The use of the leveling instrument with a barbell facilitates weight training in that the bar may be maintained level and the muscles on each side of the body developed equally.
REFERENCES:
patent: 685569 (1901-10-01), Bullard
patent: 1488419 (1924-03-01), Ward
patent: 2535791 (1950-12-01), Fluke
patent: 2789363 (1957-04-01), Miley
patent: 3046672 (1962-07-01), Lace
patent: 3832782 (1974-09-01), Johnson et al.
patent: 4709922 (1987-12-01), Slade, Jr. et al.
Cuchlinski Jr. William A.
Will Thomas B.
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