Gearing for espagnolette fitting
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United States of America Patent
Stats
-
Apr 7, 1992
Grant Date -
N/A
app pub date -
Jan 31, 1991
filing date -
Feb 5, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A gearing for use in a fitting for a door leaf or window leaf having a frame profile including a guide groove on the movable frame open in the direction of the rabbet space between the movable and stationary frames of the door or window. The positioning rod gearing comprises a partially insertable gearing housing (7) and a guide section (7c). A connecting slide (19) is supported in a longitudinally shiftable manner in the housing guide part (7c) which slide comprises a coupling extension (21) on at least one end for coupling a positioning rod (22). A drive pinion (13) which is rotatably supported in the housing (7) can be rotated by means of an operating handle of the positioning rod gearing and meshes with a cogging (17) of the connecting slide (19). The drive pinion (13) is a stepped pinion having a large gear rim (13a) which meshes with the cogging (17) of the connecting slide (19) whereas the smaller gear rim (13b) meshes via a transmission pinion (12) with an actuating pinion (11) which can be rotated by an operating handle. The invention is particularly useful in an espagnolette fitting for a window or door.
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