Supports – Brackets – Article holding means
Patent
1985-02-25
1986-05-06
Gibson, Jr., Robert W.
Supports
Brackets
Article holding means
2483165, 169 51, 224148, 211 75, A47F 500
Patent
active
045866872
ABSTRACT:
A support for an air tank of the type used in breathing apparatus has an improved means for releasably gripping the tank. It uses, for this purpose, crank elements rotatable with parallel bars to which are secured arms that clamp the tank between them. The crank elements overlap in a space between the bars, and their overlapping areas are slidably and pivotally interengaged. Swinging movement of one of the elements produces corresponding swinging movement of the other to rotate the bars between opposite extreme positions in one of which the clamp arms grip, and in the other release, the tank or cylinder. A user releases the cylinder by throw of a conveniently disposed handle. The handle rotates a cam in contact with a cam follower in the form of an angular arm rigid with one of the crank elements, to translate rotation of the cam through approximately 90.degree. into a swinging movement of the articulated linkage defined by the crank elements, over a dead center. The clamp arm support bars are in this way jointly rotated in opposite directions to swing the clamp arms outwardly. The cylinder is thus released. The throw of the handle in the opposite direction produces a reverse movement of all of the parts, causing clamping engagement of the supported cylinder.
REFERENCES:
patent: 2109821 (1938-03-01), Dunica
patent: 3194529 (1965-07-01), Brock
patent: 3547391 (1970-12-01), Johnson
patent: 3603550 (1971-09-01), Byrd
patent: 3737133 (1973-06-01), Boecker
patent: 3780972 (1973-12-01), Brodersen
patent: 3823907 (1974-07-01), Ziaylek, Jr.
patent: 3921950 (1975-11-01), Sentinella
patent: 4304383 (1981-12-01), Huston
Gibson , Jr. Robert W.
Johnson Blair M.
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