Spring barrel module

Details Spring barrel module Spring barrel module

F - Mech Eng,Light,Heat,Weapons

16

F

F16F 3/07 (2006.01) A63H 29/02 (2006.01) E05F 5/00 (2006.01) F03G 1/02 (2006.01) F16F 7/06 (2006.01) F16F 9/10 (2006.01) F16F 9/12 (2006.01) G04B 1/16 (2006.01) H04M 1/02 (2006.01) E05F 1/12 (2006.01) E05F 3/20 (2006.01) F16F 9/516 (2006.01)

Patent

CA 2445277

The invention concerns a spring barrel module having two chambers. A spring is located in the first chamber and a damper in the second chamber. The unidirectional damper is implemented by a clutch means that connects the damper plate to the spring shaft when the tightened spring is released, whereby the rotation of the damper slows down. Correspondingly, the clutch loosens the connection between the damper plate and the spring shaft when the spring is tightened. In low temperatures (e.g. below 0 ~C degrees) the damper fails to dampen the rotation. The unidirectional feature of the damper improves both usability and durability. Breakage of the mechanical components of the spring barrel is prevented by an overload clutch, which means that the spring barrel module will tolerate even relatively rough handling of the equipment.

Cette invention concerne un module support à ressort comportant deux compartiments. Un ressort est situé dans le premier compartiment et un amortisseur dans le second compartiment. L'amortisseur unidirectionnel est mis en oeuvre par un mécanisme d'embrayage qui relie la plaque d'amortisseur à l'arbre du ressort lorsque le ressort contracté est libéré, ce qui ralentit la rotation de l'amortisseur. De ce fait, l'embrayage relâche l'accouplement entre la plaque d'amortisseur et l'arbre du ressort lorsque le ressort est contracté. A basses températures (p. ex. au dessous de 0·C), l'amortisseur est incapable d'amortir la rotation. L'élément unidirectionnel de l'amortisseur améliore tant la facilité d'utilisation que la durabilité. La rupture des éléments mécaniques du support à ressort est empêchée par un embrayage de protection contre les surcharges, si bien que le module support à ressort tolère même une manipulation relativement brutal du matériel.

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