Stand-by drive operable by a crank handle

Details Stand-by drive operable by a crank handle Stand-by drive operable by a crank handle

1990-07-16

1992-04-07

Braun, Leslie A.

Machine element or mechanism

Alternate manual or power operators

74545, 296223, 296216, G05G 108, E05F 1500

Patent

active

051016842

ABSTRACT:
Stand-by drive operable by a crank handle in a drive unit actuable by means of an electric motor, in particular for sliding roofs of motor vehicles, wherein the drive unit comprises a gear which is connected to the electric motor, while an output part of the gear extending from the gear cooperates with the mechanism to be operated, wherein a stand-by operation part (5) biased by a spring (10) positively engages in its position corresponding to the normal state of the drive unit the output part (4) and a coaxial gear wheel (3) in such a way that the stand-by operation part (5) is axially displaceable, against the force of the spring, by slight pressure through a stand-by operation tool (15) also positively insertable in the stand-by operation part (5), from the engagement with the gear wheel (3) to a stand-by operation position only engaging the output part (4).

REFERENCES:
patent: 3103830 (1963-09-01), Allaria
patent: 3791071 (1974-02-01), Niklaus
patent: 4085629 (1978-05-01), Fogarollo
patent: 4659140 (1987-04-01), Fuerst et al.
patent: 4841812 (1989-06-01), Fuerst et al.
patent: 4928547 (1990-05-01), Huyer

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