Method and arrangement for preventing disturbing noise...

Details Method and arrangement for preventing disturbing noise... Method and arrangement for preventing disturbing noise...

2011-07-12

2011-07-12

Brahan, Thomas J (Department: 3654)

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific counterbalance means for load support

Includes variable weight

C187S404000

Reexamination Certificate

active

07975809

ABSTRACT:
The invention relates to a method and an arrangement for preventing disturbing noise caused by the counterweight of an elevator. At first temporary tightening means (8), e.g. slings provided with tightening elements (9), are fitted and tightened around the counterweight (1). After this the actual tightening means (10), e.g. steel belts, are fitted and tightened around the counterweight (1), after which the slings are removed.

REFERENCES:
patent: 2322774 (1943-06-01), Polack
patent: 7175201 (2007-02-01), Childs et al.
patent: 7-315725 (1995-12-01), None
patent: 9-110339 (1997-04-01), None
patent: 11-335038 (1999-12-01), None
patent: 2000-309481 (2000-11-01), None
patent: 2005-15136 (2005-01-01), None

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