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1. (WO2018205005) TELESCOPING JACK FOR LIFTING LARGE CAPACITY TRUCKS

Pub. No.:    WO/2018/205005    International Application No.:    PCT/CA2017/000119
Publication Date: Fri Nov 16 00:59:59 CET 2018 International Filing Date: Thu May 11 01:59:59 CEST 2017
IPC: B66F 7/28
B66F 5/04
B66F 7/20
Applicants: NORDIC MINESTEEL TECHNOLOGIES INC.
Inventors: DESORMEAU, Wayne
WEAVER, Jeff
MATHIEU, Guy
Title: TELESCOPING JACK FOR LIFTING LARGE CAPACITY TRUCKS
Abstract:
A jack, comprising: a top plate adapted to contact a load; an intermediate plate positioned below the top plate, the intermediate plate having a channel formed therein; a base plate positioned below the intermediate plate; a first pair of actuators coupled between the base plate and the intermediate plate, one of the first pair of actuators positioned on either side of the channel; and, a second pair of actuators coupled between the channel of the intermediate plate and the top plate; wherein the first and second pairs of actuators are operable to move the top plate and the intermediate plate between respective lowered positions and respective raised positions to thereby lower and raise the load.