Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Roll type
Patent
1981-12-16
1983-12-27
Caun, Peter M.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Roll type
160309, E06B 908
Patent
active
044224931
ABSTRACT:
A support member for the end of a rotatable shaft for winding and unwinding a curtain of articulated slats forming a roll-type shutter or awning. The support member is made of a pair of interlocked, L-shaped plates forming a box-like structure open at both ends. A bushing, through which is passed the end of the rotatable shaft, is journalled through one of the L-shaped plates and is held in position by a U-shaped saddle member. The support member is converted to a gear drive by replacing the bushing with a worm wheel and mounting in the U-shaped saddle member a worm gear meshing with the worm wheel. The worm gear is mounted on, or made integral with, a drive shaft. The U-shaped saddle member is arranged to be mounted in any one of a plurality of positions within the box-like enclosure so as to provide several possible orientations for the drive shaft. Preferably, the worm wheel and the worm gear are each made of a single piece of metallic material, including their respective shafts, and are coated with a plastic material such as a fluorocarbon and, preferably, polytetrafluoroethylene.
REFERENCES:
patent: 1306127 (1919-06-01), Sharps et al.
patent: 1683903 (1928-09-01), Kirschberg
patent: 1744686 (1930-01-01), Pease et al.
patent: 3081644 (1963-03-01), Hudgens et al.
patent: 4200135 (1980-04-01), Henneguin
patent: 4294302 (1981-10-01), Ricke, Sr.
Caun Peter M.
Security Shutter Corp.
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