Electric motor-driven servo-drive for a motor vehicle lock

Details Electric motor-driven servo-drive for a motor vehicle lock Electric motor-driven servo-drive for a motor vehicle lock

1999-07-20

2000-09-05

Ro, Bentsu

Electricity: motive power systems

Automatic and/or with time-delay means

Movement, position, or limit-of-travel

G05B 500

Patent

active

061148210

ABSTRACT:
An electric motor-driven servo-drive for a motor vehicle lock, with an electric drive motor (1), with a servo-drive disk (3) or other servo-drive element which is driven by the electric drive motor (1), with an operating lever (4) which can be moved back and forth by the servo-drive element (3) between at least two operating positions (I, II) or another mechanical switching element, and with an electric motor control (6) with which the electric drive motor (1) can be turned on and in a predetermined free position (X) of the servo-drive element (3) and with simultaneous occurrence of the operating position (I) of the switching element (4) can be turned off, especially short circuited, there being an electrical or electronic switch (7) and its being connected to the electric motor control (6) and the switch (7) automatically assuming a first position ("0") and influenced by the influencing element a second position ("1"). Only a single electric switch (7) is mechanically arranged such that it can be switched into the second position ("1") both by the servo-drive element (3) and also by the switching element (4). The servo-drive element (3) in its free position (X) and the switching element (4) in its first operating position (I) do not influence the switch (7), and the electric drive motor (1) is turned off, especially short circuited, when the switch (7) is not influenced.

REFERENCES:
patent: 4272112 (1981-06-01), Schlick et al.
patent: 4762348 (1988-08-01), Matsumoto
patent: 4850625 (1989-07-01), Hori et al.
patent: 5240296 (1993-08-01), Kobayashi
patent: 5762384 (1998-06-01), Bartel

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