Hand and handle covering with vibration-reducing bladder

Details Hand and handle covering with vibration-reducing bladder Hand and handle covering with vibration-reducing bladder

A - Human Necessities

41

D

A41D 19/015 (2006.01) A63B 71/14 (2006.01) B25G 1/01 (2006.01) F16F 9/04 (2006.01) F16F 15/023 (2006.01) A63B 71/08 (2006.01)

Patent

CA 2206514

An air isolation hand covering (10, 50, 120) has a bladder (11, 81, 124, 150, 160, 170, 180, 200, 220) consisting of a plurality of interconnected or independent inflation cells (85, 112, 210) that is positioned between the hand and a hand-held tool or other vibrating object. The cells (85, 112, 210) are oriented to permit easy bending of the hand covering (10, 50, 120) in directions appropriate for grasping an object. The effectiveness of the bladder in reducing the vibration energy transmitted to the hand is a function of the shape and configuration of the bladder, the pressure in the bladder, the compressible fluid used, the volume of the bladder, and the grip force and push force used when clasping a tool or other object. The bladder (11, 81, 124, 150, 160, 170, 180, 200, 220) can be filled with air or other fluid during the fabrication of the bladder or it can be inflated or deflated with a small pump (28, 128) and integral air valve (29, 134) connected to one of the air cavities (85, 112, 210).

Dispositif (10, 50, 120) recouvrant la main isolant celle-ci de l'air ambiant et possédant une vessie (11, 81, 124, 150, 160, 170, 180, 200, 220) constituée d'une pluralité de cellules gonflables (85, 112, 210) indépendantes ou reliées entre elles, et placée entre la main et un outil tenu à la main, ou tout autre objet produisant des vibrations. Les cellules (85, 112, 210) sont orientées de façon à pouvoir plier facilement le dispositif (10, 50, 120) dans des sens permettant de saisir un objet. L'efficacité d'amortissement de l'énergie vibratoire transmise à la main, caractérisant la vessie, est fonction de sa forme et de sa configuration, de sa pression interne, du fluide compressible utilisé, de son volume, de la force de préhension et de la force de poussée utilisées quand on saisit un outil ou un autre objet. On peut remplir la vessie (11, 81, 124, 150, 160, 170, 180, 200, 220) avec de l'air ou avec un autre fluide pendant sa fabrication, ou on peut la gonfler et la dégonfler au moyen d'une petite pompe (28, 128) et d'une valve pneumatique solidaire (29, 134) accouplées à l'une des cavités d'air (85, 112, 210).

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