Spring loaded guide rollers

Details Spring loaded guide rollers Spring loaded guide rollers

1990-09-14

1992-04-28

Valenza, Joseph E.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

267168, B66B 702

Patent

active

051079631

ABSTRACT:
A hoist or skip conveyance for high speed hoisting operation within a vertical mine shaft is provided with sets of modules of guide rollers which engage sectional guide beams or girders extending the length of the shafts to steady the passage of the conveyance up and down the shaft. Each modular guide roller set for the system incorporates three guide rollers mounted for ready access on the outside of the respective guide module, to facilitate repair or replacement thereof. The load absorbing components for each guide roller comprise an air bag, permitting specific pre-loading of the roller, and an elastomeric high rate bumper spring to accommodate impact loads, while providing rebound capability and associated hysteresis damping, for smooth, chatter free operation of the system. The system may be specifically set up to counter the significant torquing effect of the hoisting cable.

REFERENCES:
patent: 2100169 (1937-11-01), Norton
patent: 2260728 (1941-10-01), Somervell
patent: 2260922 (1941-10-01), Spiro
patent: 3099334 (1963-07-01), Tucker, Jr.
patent: 4434876 (1984-03-01), McKechnie

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