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1. WO1997018399 - IMPROVEMENTS RELATING TO MECHANICAL RELEASE SYSTEMS

Publication Number WO/1997/018399
Publication Date 22.05.1997
International Application No. PCT/GB1996/002800
International Filing Date 14.11.1996
IPC
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
B
DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
7
Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
22
using hooks or like elements
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
P
SAFETY DEVICES IN GENERAL
5
Emergency means for rendering ineffective a coupling conveying reciprocating movement if the motion of the driven part is prematurely resisted
F16B 7/22 (2006.01)
F16P 5/00 (2006.01)
CPC
F16B 7/22
F16P 5/005
Applicants
  • SURACI DEVELOPMENTS LIMITED [GB/GB]; 87 Pickwick Road Corsham Wiltshire SN13 9BY, GB (AllExceptUS)
  • RHAM, Robert, Alexander [GB/GB]; GB (UsOnly)
Inventors
  • RHAM, Robert, Alexander; GB
Agents
  • LAINE, Simon, James ; Wynne-Jones, Lainé & James 22 Rodney Road Cheltenham Gloucestershire GL50 1JJ, GB
Priority Data
9523429.015.11.1995GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) IMPROVEMENTS RELATING TO MECHANICAL RELEASE SYSTEMS
(FR) AMELIORATIONS APPORTEES A DES SYSTEMES MECANIQUES DE LIBERATION
Abstract
(EN)
A release mechanism has two aligned members (2, 21, 29) which either hook together directly or which are coupled by an element (24, 30) which bridges and hooks onto both members. But the hooks (3, 22, 25, 30, 31) are non-positive in the sense that, when the two members are pulled axially apart, they will disengage by a wedging action. An encircling filament (9, 26, 31) normally maintains the hooked engagement and with several turns can be lightly held while substantial axial tension is applied. One end of the filament may be trapped under several turns, while the other end is retained by a trip (12, 27, 34) whose withdrawal releases the mechanism.
(FR)
Mécanisme de libération possédant deux éléments alignés (2, 21, 29) qui sont, soit accrochés directement l'un à l'autre, soit accouplés par un élément (24, 30) qui les relie et s'accroche aux deux éléments. Mais les crochets (3, 22, 25, 30, 31) sont non positifs, étant donné que, quand les deux éléments sont séparés par une traction axiale, ils se désaccouplent par un effet de calage. Un filament d'encerclement (9, 26, 31) maintient normalement l'accrochage et peut être maintenu légèrement, avec plusieurs tours, tout en appliquant une tension axiale sensible. Une extrémité du filament peut être piégée sous plusieurs tours, tandis que l'autre extrémité est retenue par un déclencheur (12, 27, 34), dont le retrait libère le mécanisme.
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