Elevator – industrial lift truck – or stationary lift for vehicle – Having specific means contacting or on load support for... – Includes movable contact component on support for engaging...
Patent
1998-04-06
2000-03-07
Terrell, William E.
Elevator, industrial lift truck, or stationary lift for vehicle
Having specific means contacting or on load support for...
Includes movable contact component on support for engaging...
187378, 187360, B66B 516
Patent
active
060327634
ABSTRACT:
A carriage for supporting an elevator car includes a drive unit, a spaced generally parallel support unit and a pair of lower yokes connecting the units. The carriage is movable along a pair of spaced apart generally vertical tracks. The drive unit includes a motor driving a drive axle with a respective drive wheel mounted at each end of the axle which wheels roll along the tracks. The support unit includes a support axle with a respective support wheel mounted at each end of the axle and a clamping device by which friction forces of the drive wheels and of the support wheels are produced on the tracks. The working range of the clamping device can be read off of an indicator. A respective immobilizing equipment is arranged at each side of the lower yoke by which the elevator car can be releasably connected with the track at a desired position along the travel path during assembly of the elevator system and/or during maintenance operations.
REFERENCES:
patent: 483145 (1892-09-01), Giles
patent: 605820 (1898-06-01), Hancock
patent: 1124804 (1915-01-01), Remjas
patent: 1129536 (1915-02-01), Barash
patent: 4113119 (1978-09-01), Brown et al.
patent: 5497855 (1996-03-01), Moore
Liebetrau Christoph
Morlok Albrecht
Richter Utz
Inventio AG
Terrell William E.
Tran Khoi H.
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