Motorized reduction gear intended in particular for a vehicle el

Details Motorized reduction gear intended in particular for a vehicle el Motorized reduction gear intended in particular for a vehicle el

1997-06-23

1998-08-04

Marmor, Charles A.

Machine element or mechanism

Gearing

Yieldability in gear trains

464 84, F16H 5700

Patent

active

057877556

ABSTRACT:
This motorized reduction gear includes a toothed wheel (1) for driving an output member mounted on its hub (4), and one or more damping springs (6) interposed between the wheel (1) and the output member; the damping spring(s) (6) is(are) flat and metal and formed of two flexible branches (7) which are symmetrical with one another with respect to a median plane; each branch includes a convolution, a first section (8) of which extends around the hub (4), is extended by a fold (11), and a second section (9) terminated by a radial segment (12), a flat (13) for bearing on a rib (17) of the wheel (1), and a claw (14) for holding the spring in the wheel (1), around the hub (4). When the window pane comes to rest in abutment at the end of its path, one of the branches (7) is compressed and moves closer to the other, damping out the halting in the rotation of the toothed wheel (1). This(these) spring(s) has(have) a small overall size and high operational stability.

REFERENCES:
patent: 2841000 (1958-07-01), Parks et al.
patent: 3362512 (1968-01-01), Ericson
patent: 3984998 (1976-10-01), Rogakos et al.
patent: 4480736 (1984-11-01), Loizeau
patent: 4790793 (1988-12-01), Bacardit

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