Cremone bolt operator

Details Cremone bolt operator Cremone bolt operator

2006-02-07

2006-02-07

Glessner, Brian E. (Department: 3676)

Closure fasteners

Bolts

Sliding

C292S039000, C292S051000, C292S112000, C292S172000, C292S142000, C292S199000, C292S279000, C292SDIG053, C292SDIG064

Reexamination Certificate

active

06994383

ABSTRACT:
A cremone bolt operator is provided which includes a small and a large pinion gear, each having gear teeth and a central aperture, a first and a second rack gear, each having a first and a second set of parallel teeth, the rack gears in opposed relation to one another wherein the first and second sets of teeth are in facing relation. The first set of teeth on each of the rack gears is in meshed engagement with the small pinion gear and the second set of teeth on each of the rack gears is in meshed engagement with large pinion gear. A spindle is sized to fit in each of the central apertures of the small and large pinion gears. A locking device that causes the spindle to selectively engage either the small pinion gear or the large pinion gear.

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