Lift truck mast assembly with a resilient chain positioner

Details Lift truck mast assembly with a resilient chain positioner Lift truck mast assembly with a resilient chain positioner

1975-08-04

1976-08-03

Love, Jame J.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

B66B 920

Patent

active

039723887

ABSTRACT:
A mast and carriage assembly for a lift truck of the type having a stationary mast section fixed to the truck, a movable inner mast section reciprocable within the stationary mast, a fork carriage movably associated with the inner mast section, a hydraulic jack having an extensible and retractable rod, means operatively connected to the rod for moving the inner mast section relative to the stationary mast section and having a sheave rotatably mounted thereon, a flexible chain trained over the sheave and having one end attached to the carriage, and an elongated chain rod having one end attached to the other end of the chain and its other end loosely fastened to the stationary mast, with the improvement including a bracket attached to the hydraulic jack adjacent its upper end and a resilient link having one end fastened to the bracket and its other end fastened to the chain rod for normally positioning the end of the chain rod relative to the lift jack while permitting limited relative movement therebetween.

REFERENCES:
patent: 2502465 (1950-04-01), Lehmann
patent: 2505009 (1950-04-01), Schroeder
patent: 2946406 (1960-07-01), Henry

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