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1. (US20120119174) Device for opening a pull door by applying a pressure

Office : United States of America
Application Number: 13266811 Application Date: 12.03.2010
Publication Number: 20120119174 Publication Date: 17.05.2012
Grant Number: 08746659 Grant Date: 10.06.2014
Publication Kind : B2
Prior PCT appl.: Application Number:PCTFR2010050432 ; Publication Number: Click to see the data
IPC:
A62B 3/00
B66F 3/24
E21D 15/44
B66F 3/00
B25B 28/00
A HUMAN NECESSITIES
62
LIFE-SAVING; FIRE-FIGHTING
B
DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
3
Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screens; Portable devices for preventing smoke penetrating into distinct parts of buildings
B PERFORMING OPERATIONS; TRANSPORTING
66
HOISTING; LIFTING; HAULING
F
HOISTING, 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
3
Devices, e.g. jacks, adapted for uninterrupted lifting of loads
24
fluid-pressure operated
E FIXED CONSTRUCTIONS
21
EARTH OR ROCK DRILLING; MINING
D
SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
15
Props; Chocks
14
Telescopic props
44
Hydraulic, pneumatic, or hydraulic-pneumatic props
B PERFORMING OPERATIONS; TRANSPORTING
66
HOISTING; LIFTING; HAULING
F
HOISTING, 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
3
Devices, e.g. jacks, adapted for uninterrupted lifting of loads
B PERFORMING OPERATIONS; TRANSPORTING
25
HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; HANDLES FOR HAND IMPLEMENTS; WORKSHOP EQUIPMENT; MANIPULATORS
B
TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
28
Portable power-driven joining or separation tools
CPC:
A62B 3/005
B25F 5/005
Applicants: Cardona Yvan
Libervit
Inventors: Cardona Yvan
Agents: Lucas & Mercanti, LLP
Priority Data: 09 52763 28.04.2009 FR
Title: (EN) Device for opening a pull door by applying a pressure
Abstract: front page image
(EN)

A device for opening a door by staving it inwards, so that the device can exert a trust on the vertical surface of the door and stave it inwards when the device is positioned against the door on the side to which it opens by being pulled, the device comprising an actuator, an intermediate soleplate, and an upper jacking bar, the device comprising an upper jacking device fixed in a hinged manner to the upper end of the upper jacking bar, and comprising at least one wedging and locking device forming: a front flat portion, a riser portion, and a rear portion.


Also published as:
EP2424624CN102421484FR2944709WO/2010/125263