Operator for a closure

Details Operator for a closure Operator for a closure

1997-10-24

2000-09-26

Stodola, Daniel P.

Movable or removable closures

Operator interrelated with closure latch release

49295, 49341, E05F 1102

Patent

active

06122863&

ABSTRACT:
A self-locking window operator has a reversible rotary drive shaft connectable in sequence to separate linkages respectively controlling movement of a casement relative to a surrounding frame and actuation of a fastening mechanism for releasably securing the casement when closed. The drive shaft is coupled by a worm gear to a drive input member rotatable about a drive axis and each linkage has a drive output member rotatable about separate axes offset from the drive axis. The input member has a drive pin co-operable with a respective pin receiving recess of each output member for sequentially operating the linkages.

REFERENCES:
patent: 4136578 (1979-01-01), Van Klompenburg
patent: 4617758 (1986-10-01), Vetter
patent: 5050345 (1991-09-01), Nakanishi
patent: 5054239 (1991-10-01), Tucker et al.
patent: 5111615 (1992-05-01), Kuhnt et al.
patent: 5152103 (1992-10-01), Tucker et al.
patent: 5531045 (1996-07-01), Piltingsrud

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