Elevator winding device

Details Elevator winding device Elevator winding device

1982-02-16

1984-08-14

Rolla, Joseph J.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

474178, 474190, 254391, B66B 1104

Patent

active

044651619

ABSTRACT:
An elevator drive sheave includes a groove in its peripheral surface. A plurality of circumferentially spaced projected teeth are provided in the groove and a lining extends over these teeth. A stranded elevator rope is received in the groove in contact with the lining. The spacing of the teeth is a multiple of the pitch of the strands of the rope. In case of abnormal lining wear, the rope comes in contact with the teeth to insure continued safe tractive force.

REFERENCES:
patent: 1566172 (1925-12-01), Stokes
patent: 1576924 (1926-03-01), Malloy
patent: 2954702 (1960-10-01), Petersen
patent: 3279762 (1964-03-01), Bruns
patent: 4013142 (1977-03-01), Hagg
patent: 4030569 (1977-06-01), Berkovitz
"Electric Lifts", R. S. Phillips, title page and pp. 64-75.
Advertisement of Otis Elevator Company.

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