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1. AU2016235073 - Jack system

Office Australia
Application Number 2016235073
Application Date 24.03.2016
Publication Number 2016235073
Publication Date 29.09.2016
Publication Kind B2
IPC
B66F 3/08
BPERFORMING OPERATIONS; TRANSPORTING
66HOISTING; LIFTING; HAULING
FHOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
3Devices, e.g. jacks, adapted for uninterrupted lifting of loads
08screw-operated
B60S 9/00
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
9Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
CPC
B66F 3/08
BPERFORMING OPERATIONS; TRANSPORTING
66HOISTING; LIFTING; HAULING
FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
3Devices, e.g. jacks, adapted for uninterrupted lifting of loads
08screw operated
B66F 3/46
BPERFORMING OPERATIONS; TRANSPORTING
66HOISTING; LIFTING; HAULING
FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
3Devices, e.g. jacks, adapted for uninterrupted lifting of loads
46Combinations of several jacks with means for interrelating lifting or lowering movements
Applicants K-Line Industries, Inc.
Agents AJ PARK
Priority Data 14/997,676 18.01.2016 US
62/137,929 25.03.2015 US
Title
(EN) Jack system
Abstract
(EN)
The present jack apparatus is particularly adapted for heavy duty lifting. The jack apparatus includes a base; a pair of screw jacks; a yoke supported by the screw jacks; a lifting tube supported on the yoke; a shaft coupler coupling the screw jacks; a power unit driving one of the screw jacks and through the shaft coupler also driving the other screw jack; and a housing covering the screw jacks and other components. The pair of screw jacks each have threaded lifting shafts designed to eliminate risk of unexpected lowering of the jack's lifting tube even if power is lost. A jack system is described including two or more of the jack apparatus controlled by a single control for simultaneous operation.

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