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1. WO2020109755 - DOOR CLOSER

Publication Number WO/2020/109755
Publication Date 04.06.2020
International Application No. PCT/GB2019/053301
International Filing Date 21.11.2019
IPC
E05F 3/10 2006.01
EFIXED CONSTRUCTIONS
05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
3Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
04with liquid piston brakes
10with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
E05F 3/12 2006.01
EFIXED CONSTRUCTIONS
05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
3Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
04with liquid piston brakes
12Special devices controlling the circulation of the liquid, e.g. valve arrangement
CPC
E05F 3/10
EFIXED CONSTRUCTIONS
05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
3Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
04with liquid piston brakes
10with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
E05F 3/102
EFIXED CONSTRUCTIONS
05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
3Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
04with liquid piston brakes
10with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
102with rack-and-pinion transmission between driving shaft and piston within the closer housing
E05F 3/12
EFIXED CONSTRUCTIONS
05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
3Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
04with liquid piston brakes
12Special devices controlling the circulation of the liquid, e.g. valve arrangement
E05F 3/221
EFIXED CONSTRUCTIONS
05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
3Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
22Additional arrangements for closers, e.g. for holding the wing in opened or other position
221Mechanical power-locks, e.g. for holding the wing open or for free-moving zones
E05Y 2800/10
EFIXED CONSTRUCTIONS
05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
YINDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
2800Details, accessories and auxiliary operations not otherwise provided for
10Additional functions
E05Y 2900/132
EFIXED CONSTRUCTIONS
05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
YINDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
2900Application of doors, windows, wings or fittings thereof
10for buildings or parts thereof
13characterised by the type of wing
132Doors
Applicants
  • BARD 1 LTD [GB]/[GB]
Inventors
  • ASTON, Richard
  • STRATFORD, Oliver
Agents
  • FORRESTERS IP LLP
Priority Data
1819483.729.11.2018GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) DOOR CLOSER
(FR) FERME-PORTE
Abstract
(EN)
A door closer including: a body defining a chamber therein, said chamber having first and second ends and supporting therein; a first piston; a second piston; and a biasing device, wherein the first piston, second piston and biasing device are positioned in that order and wherein the first piston is positioned adjacent or near the first end of the chamber and wherein the biasing device is positioned adjacent or near the second end of the chamber, wherein the biasing device is capable of biasing the second piston towards the first piston, and wherein the second piston prevents the passage of fluid therethrough or therepast.
(FR)
La présente invention concerne un ferme-porte comprenant : un corps définissant une chambre à l'intérieur de celui-ci, ladite chambre présentant des première et seconde extrémités et supportant à l'intérieur de celui-ci ; un premier piston; un second piston ; et un dispositif de sollicitation, le premier piston, le second piston et le dispositif de sollicitation étant positionnés dans cet ordre et le premier piston étant positionné adjacent ou à proximité de la première extrémité de la chambre et le dispositif de sollicitation étant positionné adjacent ou à proximité de la seconde extrémité de la chambre, le dispositif de sollicitation étant apte à solliciter le second piston vers le premier piston et le second piston empêchant le passage du fluide à travers celui-ci ou au-delà de celui-ci.
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