Drive arrangement

Details Drive arrangement Drive arrangement

2002-05-07

2008-10-21

Johnson, Vicky A (Department: 3682)

Machine element or mechanism

Alternate manual or power operators

Reexamination Certificate

active

07437971

ABSTRACT:
A drive arrangement for a shaft, such as a shaft for driving a sectional door, roller shutter or the like, is in the form of a module, carried, in use, by the shaft and including a motor, a driven wheel fixed for rotation with the shaft and drivable, in use, by the motor, and clutch means and operable between the motor and the wheel. The module further includes brace means in the form of a limb attachable to a member which is fixed relative to the axis of the shaft, to brace the module against turning as the shaft is driven.

REFERENCES:
patent: 1692918 (1928-11-01), Bachman
patent: 4311225 (1982-01-01), Tsubaki et al.
patent: 4409779 (1983-10-01), Bent et al.
patent: 4560046 (1985-12-01), Lorello et al.
patent: 0 981 195 (2000-02-01), None

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