Lifting vehicle having a control member adjustable into three di

Details Lifting vehicle having a control member adjustable into three di Lifting vehicle having a control member adjustable into three di

1975-03-27

1976-02-24

Smith, Al Lawrence

Implements or apparatus for applying pushing or pulling force

Hoisting truck

Platform type

280 4312, B62D 2114

Patent

active

039403386

ABSTRACT:
A pallet truck is provided with a tiller and a lift device including a lift jack. This is pumped by means of the tiller. In the upper part of this tiller is pivotally mounted a control lever for controlling the lift device for its functioning in different ways. For this purpose the lever is adjustable into three different positions, two outer ones and a middle one, and is by means of a link rod connected to the lift device. The link rod is spring loaded in such a way that it tends to move the lever from one outer position to the other outer position. One outer position is a pumping position for raising the jack. The other outer position is a release position for lowering the jack; while the middle position is a neutral position.

REFERENCES:
patent: 1458534 (1923-06-01), Lovejoy
patent: 2789648 (1957-04-01), Huffman
patent: 3098587 (1963-07-01), Hopfeld
patent: 3188107 (1965-06-01), Quayle
patent: 3286985 (1966-11-01), Edera

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