Propulsion means for hoisting systems

Details Propulsion means for hoisting systems Propulsion means for hoisting systems

1983-08-25

1985-12-31

Blix, Trygve M.

Traversing hoists

With haul-in line

212205, 212214, 212218, B66C 1700

Patent

active

045615519

ABSTRACT:
The invention concerns a novel concept of "rail-less" propulsion of hoisting equipment, namely to provide two parallel rows of discrete, spaced, glidingly supporting points on which the end-beams of a crane or the like are adapted to slide, rather than by wheels on a pair of continuous rails. The gliding supports are placed on top of series of equi-distantly spaced columns and the end-beams length is at least twice the distance between adjacent supports. Various kinds of driving systems are described.

REFERENCES:
patent: 456361 (1891-07-01), Graves
patent: 1745045 (1930-01-01), Romine
patent: 2353437 (1944-07-01), Bock
patent: 2524189 (1950-10-01), Clay
patent: 3153391 (1964-10-01), Forestall
patent: 3650215 (1972-03-01), Werthessen
patent: 3853209 (1974-12-01), Bond
patent: 4181231 (1980-01-01), Morrissey et al.
patent: 4336889 (1982-06-01), McGrew

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