Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1983-11-15
1985-06-11
Levy, Stuart S.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
2421074C, B65H 7548
Patent
active
045223505
ABSTRACT:
The main locking mechanism of an emergency locking retractor comprises teeth on the flanges of the spool on which the belt is wound, the spool being mounted in bearings arranged to permit limited translational movement in a direction perpendicular to the axis of rotation, between a position in which said teeth formations engage with complementary teeth on the frame of the retractor. Actuating means which are arranged to cause movement of the spool into its engaged position, comprise a ratchet wheel mounted on the spool for rotation and translational movement therewith, a pivotally mounted control member and a pawl which can be moved by a ball-in-saucer sensor into a position in which it couples the control member to the ratchet wheel, so that angular movement of the ratchet wheel in the belt unwinding direction causes angular movement of the control member about a pivot, thus moving the spool so as to bring the teeth on the flanges into locking engagement with the teeth on the frame.
REFERENCES:
patent: 3237879 (1966-03-01), Whittingham
patent: 3695545 (1972-10-01), Peters
patent: 4101094 (1978-07-01), Wallin
patent: 4171782 (1979-10-01), Rumpf
patent: 4350313 (1982-09-01), Adomeit
Britax-Kolb GmbH & Co.
Jaekel Katherine
Levy Stuart S.
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