Access device

Details Access device Access device

1994-07-18

1996-07-23

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Wall- or floor-attached

Ladder

182127, E06C 522

Patent

active

055381006

ABSTRACT:
An access device, such as a ladder, which is retractable, to provide access between a first position, and a second (retracted) position. The access device (5) is provided with a pair of arms (8) and (9) each pivotally connected at pivots (10) and (11) to a support means, (4) and, to the access member at pivots (12) and (13). The device is configured such that the access member (5) may be retracted while maintaining the second end (7) of the access member (5) elevated relative to the first end (6) of the access member (5). The arms (8) and (9) are pivotally mounted each preferably provided with one or two dogleg bends therein, to facilitate a totally retracted storage position.

REFERENCES:
patent: 974781 (1910-11-01), Finkelstein
patent: 3869022 (1975-03-01), Wallk
patent: 4476957 (1984-10-01), Ory
patent: 5174411 (1992-12-01), Oliver

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