Driving device and door closer

Details Driving device and door closer Driving device and door closer

2003-06-19

2009-12-08

Redman, Jerry (Department: 3634)

Movable or removable closures

Operator interrelated with closure latch release

Motor driven

Reexamination Certificate

active

07627986

ABSTRACT:
A driving apparatus for driving an assisting mechanism serving as an assistant for opening operation or closing operation of a door includes a plurality of driving sources, a plurality of driving gears that is individually provided at the driving sources, and a driven gear that is engaged with each of the driving gears. The assisting mechanism is activated through rotation of the driven gear by driving of the driving sources.

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