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1. WO1996004448 - PIT LID COUNTERWEIGHT ASSEMBLY

Publication Number WO/1996/004448
Publication Date 15.02.1996
International Application No. PCT/US1995/008480
International Filing Date 05.07.1995
Chapter 2 Demand Filed 27.02.1996
IPC
E05F 1/02 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
1Closers or openers for wings, not otherwise provided for in this subclass
02gravity-actuated
CPC
E05F 1/02
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
1Closers or openers for wings, not otherwise provided for in this subclass
02gravity-actuated ; , e.g. by use of counterweights
E05Y 2900/146
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
146Shutters
Applicants
  • NOVA GROUP, INC. [US]/[US]
Inventors
  • ROTHROCK, Guy, G.
Agents
  • McCUBBREY, J., Bruce
Priority Data
08/283,57301.08.1994US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PIT LID COUNTERWEIGHT ASSEMBLY
(FR) SYSTEME DE CONTREPOIDS POUR COUVERCLE DE FOSSE
Abstract
(EN)
A counterweight assembly (10) for a container lid (14) that allows for control over the operating characteristics of the lid during opening and closing. The counterweight assembly is preferably used with a container having one or more walls, a floor, and a lid positioned on top of the walls, the lid being rotatable about the horizontal hinge axis (24). The counterweight assembly includes a counterweight (48) and a coupling arm (40) rotatable about a counterweight axis (60) that is located within the container. The counterweight is connected to one end of the coupling arm (46). The other end (42) of the coupling arm exerts a force against the downward facing surface (44) of the lid.
(FR)
L'invention concerne un système de contrepoids (10) pour un couvercle (14) de cuve qui permet de maîtriser le comportement du couvercle lorsqu'on l'ouvre ou qu'on le ferme. Le système de contrepoids est utilisé de préférence avec une cuve ayant une ou plusieurs parois, un fond et un couvercle disposé en haut des parois. Le couvercle peut tourner sur une charnière à axe horizontal (24). Le système de contrepoids comporte un contrepoids (48) et un bras de couplage (40) pouvant tourner par rapport à un axe (60) du contrepoids, se trouvant dans la cuve. Le contrepoids est relié à une extrémité du bras de couplage (46). L'autre extrémité (42) du bras de couplage exerce une force contre la surface (44) du couvercle orientée vers le bas.
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