Hoisting station for a rail-track piece

Details Hoisting station for a rail-track piece Hoisting station for a rail-track piece

1987-10-22

1990-03-20

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

187 28, 187 94, B66B 1104

Patent

active

049093584

ABSTRACT:
A hoisting carriage (2) for a rail-track section (A) of a suspension rail installation can be lifted and lowered at two parallel hoisting columns (1). A motor (4), attached at a cross traverse (3), serves as a drive. The motor (4) drivers via its transmission shaft with two drive wheels (6), disposed on the shaft, for the pulling members (7), which are provided as roller chains. The roller chains are guided initially around upper and lower deflection pulleys (8), disposed freely rotatable on carrying axles, to a rocker. The rocker is supported with a hinged support or trunnion bearing at an oscillating crank (13). The rocker balances or adjusts different elongations and extensions of the pulling members (7). The oscillating crank (13) is supported with a pin bolt (14) at a carrier (15) of the hoisting carriage (2) and rests with the free end at an inclined position on a bumper 16 of the other carrier (15a).

REFERENCES:
patent: 383715 (1888-05-01), Ellington
patent: 524344 (1894-08-01), McLauthlin et al.
patent: 735093 (1903-01-01), Greenwald
patent: 1700587 (1929-01-01), Higbee
patent: 1814610 (1931-07-01), Steuelman
patent: 1830988 (1931-11-01), Evans
patent: 3592294 (1971-07-01), Allen
patent: 3724688 (1973-04-01), Atwater
patent: 4526251 (1985-07-01), Johannson
patent: 4664230 (1987-05-01), Olsen
patent: 4706782 (1987-11-01), Spoeler et al.

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