Assembly of a collecting housing and a reducing motor connector

Details Assembly of a collecting housing and a reducing motor connector Assembly of a collecting housing and a reducing motor connector

1999-07-26

2001-01-16

Ramirez, Nestor (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S229000, C310S246000, C310S244000

Reexamination Certificate

active

06175179

ABSTRACT:

BACKGROUND OF THE INVENTION
This invention relates generally to a motorized reduction gear assembly. More particularly, the present invention relates to an improved brush mounting assembly for electric motors used to drive vehicle windows, sunroofs, or adjustable seats.
Slip-ring housings manufactured hitherto have included a support housing, an electrical connection to which the braid of a brush is soldered, thermal protection, and multiple brush springs.
The slip-ring housing supports male electrical connectors which fit into female electrical connectors of the connector assembly. The slip-ring housing and connector assembly fitting into a well of the reduction gearbox. Typically, connections open into the well of the box to accommodate a fixed connector or loom, the ends of which are soldered to the connectors of the slip-ring housing.
Mounting the connector in the well, soldering leads to the brushes, and fitting of the brush springs are relatively complex procedures which results in a relatively high assembly cost,
SUMMARY OF THE INVENTION
In general terms, this invention includes a connector assembly which clips into corresponding shapes formed in the walls of the well of a reduction gear assembly. Preferably, the connector assembly includes female electrical connectors which engage male electrical connectors extending from a slip-ring housing. The slip-ring housing includes springs having two end branches to force corresponding brushes against the slip-ring
The slip-ring housing further includes a pivot and a ramp to guide a spring slidably fitted on the pivot as far as its base. The ramp is preferably formed on a boss of the slip-ring housing, which extends on each side of the associated pivot and partially surrounds it. Arranged at the base of each ramp is a slit that houses and acts as stop for branches of the spring after the branches have been parted and guided along respective ramp. In the final position, one branch forces a brush against the slip ring and the other branch bears against the slit at the foot of the ramp.
Fitting of the connector assembly and mounting of springs according to the present invention provides for improved assembly that avoids the soldering hitherto employed.


REFERENCES:
patent: 4581499 (1986-04-01), Cousins
patent: 5204565 (1993-04-01), Sekine et al.

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