Static structures (e.g. – buildings) – Stepped; e.g. – stair – With additional building feature
Patent
1979-06-28
1981-03-03
Bell, J. Karl
Static structures (e.g., buildings)
Stepped; e.g., stair
With additional building feature
135 65, E04F 1118
Patent
active
042532876
ABSTRACT:
A step walker for people with walking disabilities includes a pair of parallel, spaced-apart substantially flat, vertically faced guide railings fixedly positioned above either side of a stairway to lie in parallel relation to the stairway. Each railing is provided with a guide slot extending from top to bottom of the railing. These guide slots are defined by a plurality of ramp sections extending in direction up the stairway from a lower to an upper portion of the railing, and a plurality of ratchet tooth holding sections, one between each ramp section, the ratchet tooth holding sections extending in direction up the stairway from an upper portion to a lower portion of the railing. A walking bar slides in these guide slots to be brought to rest at the bottom end of each holding section so that the step walker user can support his weight on the bar while moving up or down from one step to the next. The user will then situate the walking bar in the bottom of the next adjacent holding section and use it as before to advance to the next step.
REFERENCES:
patent: 802252 (1905-10-01), Anderson
patent: 1785487 (1930-12-01), McAvoy
patent: 2576556 (1951-11-01), Babson
patent: 2782796 (1957-02-01), Blue
patent: 3421529 (1969-01-01), Vestal
patent: 3591874 (1971-07-01), O'Kennedy
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