Fences – Rail – Connection
Patent
1990-08-13
1992-05-26
Cuomo, Peter M.
Fences
Rail
Connection
52150, 296156, E04H 1714
Patent
active
051160250
ABSTRACT:
A retractable handrail for use with a recreational vehicle comprising a handrail having a hand contacting surface on a top side thereof and a support body extending downward from the hand contacting surface. The support body includes a pivotal end and pivotal attachment structure which defines a rotational axis orthogonal with respect to the plane of rotation of the handrail. The handrail further includes first and second stops formed at the pivotal end for defining respective retracted and extended positions of the handrail. These respective stops are located on the support body on respective separate radii having a common length and origin extending from the rotational axis. A support base is provided having a mounting flange with a planer surface positioned parallel with the planer rotation of the handrail. A releasable interlock means coupled to the support base and is operable to engage the first and second stops to provide stable positioning of the handrail in either the extended or retracted positions without need of a support bar coupled between the support base and the handrail. A mounting plate is attachable to the support base and operates to couple the support base to an exterior face of a door frame or recreational vehicle wall such that (i) placement of the handrail in the retracted position places the handrail out against the exterior face and (ii) placement in the extended position inclines the handrail in cantilevered fashion for use of a person ascending stairs to a recreational vehicle.
REFERENCES:
patent: 4029352 (1977-06-01), Evans
patent: 4030378 (1977-06-01), Kroesser
patent: 4261550 (1981-04-01), Gregory
patent: 4407045 (1983-10-01), Boothe
patent: 4602889 (1986-07-01), Mu-Shan
patent: 4770559 (1988-09-01), Yoo
patent: 5024420 (1991-06-01), Downing
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