Handrail

Details Handrail Handrail

1978-12-22

1983-02-22

Kundrat, Andrew V.

Fences

Miscellaneous

198335, 52183, E04H 1700

Patent

active

043745849

ABSTRACT:
A handrail has an immovable base element extending in one direction, a support element arranged to be grasped by a user and reciprocable relative to the base element, and a drive for reciprocating the support element relative to the base element. The base element may be formed by a usual stationary handrail, may be connected to the latter, or may be formed as a plate. A guiding element guides the support element during its reciprocation. The drive includes an electric motor which is reversible, a spindle member provided with a thread and rotatable by the motor, and a nut member translatorily movable by the rotation of the spindle member and connected with the support element so as to move the latter. Switches are provided for reversing the direction of rotation of the electric motor and thereby the direction of movement of the nut member and the support element.

REFERENCES:
patent: 2576556 (1951-11-01), Babson
patent: 3352436 (1967-11-01), Vesconte et al.
patent: 4132391 (1979-01-01), Takenaga

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