Noise and vibration reduction at elevator cab hitch

Details Noise and vibration reduction at elevator cab hitch Noise and vibration reduction at elevator cab hitch

1991-09-13

1993-01-26

Dayoan, D. Glenn

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187 20, B66B 900

Patent

active

051815869

ABSTRACT:
An elevator cable hitch plate is isolated for the cab frame crosshead by an elastomeric pad and a mounting plate bolted to the crosshead is disposed between the pad and the crosshead. A stabilizer bracket is fixed to the mounting plate and to the hitch plate. The bracket allows limited vertical movement of the mounting plate and hitch plate relative to each other, but prevents lateral sliding movement therebetween. The bracket thus prevents the hoist cable thimble rods from contacting the edges of the holes in the plates through which the thimble rods pass. Minimal cable-induced vibration and noise is thus produced during operation of the elevator.

REFERENCES:
patent: 1721603 (1929-07-01), Neenan
patent: 2308211 (1943-01-01), Sanford
patent: 5009288 (1991-04-01), Nakai et al.

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