Device for controlling movements of covers in sliding and liftin

Details Device for controlling movements of covers in sliding and liftin Device for controlling movements of covers in sliding and liftin

1988-07-14

1989-06-27

Braun, Leslie A.

Machine element or mechanism

Gearing

Reversal of direction of power flow changes power...

296223, F16H 552, B60J 7057

Patent

active

048418129

ABSTRACT:
Device for controlling the sliding and lifting movements of a cover in sliding and lifting roofs of vehicles, which device has an input drive element and an output drive element from which both the sliding and the lifting movements are derived. To this end, there is provided a gear assembly having a planetary gear that is operationally controlled between the input drive and the output drive elements. During operation of the drive elements, starting from a predetermined gear position that corresponds to a reference cover position, the planetary gear automatically changes its gearing ratio, based upon the drive direction, in such a way that at equal input drive speeds, the lifting movement is slower than the sliding movement. The gear assembly has a double epicyclic gear. Additionally, a blocking device is provided which, when driving the input drive element from the predetermined gear position automatically blocks either a first or a second gear element of the epicyclic gear, depending on the drive direction.

REFERENCES:
patent: 1598586 (1926-08-01), Lanquetin
patent: 2909080 (1959-10-01), Gratzmuller
patent: 2999356 (1961-09-01), Ferguson, Jr.
patent: 3360997 (1968-01-01), Whitaker
patent: 4333362 (1982-06-01), Sugioka et al.
patent: 4466658 (1984-08-01), Furst et al.
patent: 4501169 (1985-02-01), Stilin
patent: 4598621 (1986-07-01), Weinhold
patent: 4615336 (1986-10-01), Fijimoto
patent: 4651594 (1987-03-01), Vogel et al.
patent: 4659140 (1987-04-01), Fuerst et al.

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