Fire escape – ladder – or scaffold – Self-sustaining – Scaffold horse
Patent
1997-05-01
1999-03-09
Chin-Shue, Alvin
Fire escape, ladder, or scaffold
Self-sustaining
Scaffold horse
182153, F16M 1100
Patent
active
058788395
ABSTRACT:
A support device includes a bracket secured on a base for rotatably supporting a roller and for engaging with and for supporting a work piece. A stick is secured in the base and has an orifice for slidably engaging with a rod which is extended downward from the bracket for allowing the bracket to be adjusted to a suitable height. The bracket includes a pair of blocks for slidably receiving a pair of poles. The poles each includes an extension extended upward for engaging with the work piece and for preventing the work piece from moving laterally.
REFERENCES:
patent: 4237592 (1980-12-01), Kuge
patent: 5299656 (1994-04-01), Grill
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