Lockable chain winder

Details Lockable chain winder Lockable chain winder

1998-08-27

2000-07-25

Luong, Vinh T.

Endless belt power transmission systems or components

Guard or housing for belt or pulley

474145, 474150, 474155, 2423552, F16H 5702, F16H 724, F16H 706, F16D 100, G03B 104

Patent

active

060931248

ABSTRACT:
A lockable chain winder for opening and closing windows has an internal mechanism which includes a stop member (16) which can be moved to engage with the chain winder sprocket (15) in such a manner that the sprocket (15) can freely rotate on one direction, but not in the other direction.

REFERENCES:
patent: 4792323 (1988-12-01), Flaig
patent: 4801288 (1989-01-01), Schmitt et al.
patent: 5716019 (1998-02-01), Ahn

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