Both-way movable body driving mechanism and elevator using...

Details Both-way movable body driving mechanism and elevator using... Both-way movable body driving mechanism and elevator using...

2007-02-20

2007-02-20

Matecki, Kathy (Department: 3654)

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific load support drive-means or its control

Includes linking support cable in drive-means

C187S252000, C187S264000, C187S250000, C254S333000

Reexamination Certificate

active

10467161

ABSTRACT:
The invention provides an elevator apparatus comprising a cage1disposed inside a path of upward or downward movement vertically movably, a counterweight2vertically movable with the upward or downward movement of the cage1, and a lift drive mechanism for driving the cage1upward or downward. The drive mechanism comprises a sheave42disposed inside the path, ropes3extending along a route around the sheave42, and a drive device5in engagement with the ropes3. The drive device5comprises a belt transmission provided alongside the ropes3and revolvingly movable along the rope extension route, a mechanism for pressing a belt surface of the belt transmission into contact with the ropes3, and a drive motor for driving the belt transmission. The cage can be driven upward or downward without using any traction sheave, while the cage can be reduced in weight.

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