Controllable fluid gripping devices

Details Controllable fluid gripping devices Controllable fluid gripping devices

B - Operations, Transporting

25

G

B25G 1/00 (2006.01) A63B 49/08 (2006.01) A63B 53/14 (2006.01) B25G 1/10 (2006.01) B29C 43/02 (2006.01) B43K 23/00 (2006.01) B43K 23/004 (2006.01)

Patent

CA 2335555

The present invention relates to a gripping device ( 10) for a hand held article. The gripping device has an encasement assembly (20) for fitting on a hand grip portion (14) of the article. The encasement assembly contains a controllable fluid (22), such as magnetorheological and electrorheological fluids. The gripping device also has an activating assembly (40) for selectively applying a field to the controllable fluid to change its rheological behavior, e,g, increasing its viscosity. Thus, the controllable fluid can maintain the shape of the encasement assembly until the activating assembly withdraws the applied field therefrom. The present invention further relates to a manual implement (12) that has the above gripping device fitted thereon and a method for using a manual implement having the above gripping device.

L'invention concerne un dispositif de préhension pour article tenu manuellement. Le dispositif de préhension présente un ensemble formant une enveloppe s'appliquant sur une partie formant la poignée d'un article. L'enveloppe renferme un fluide contrôlable, tel qu'un fluide magnéto-rhéologique et électro-rhéologique. Le dispositif de préhension présente également un ensemble d'activation permettant d'appliquer sélectivement un champ sur le fluide contrôlable afin de modifier son comportement rhéologique, par exemple, en augmentant sa viscosité. Le fluide contrôlable peut ainsi maintenir la forme de l'ensemble formant l'enveloppe jusqu'à ce que l'ensemble d'activation supprime le champ appliqué. L'invention concerne en outre un ustensile manuel sur lequel s'applique le dispositif de préhension précité, ainsi qu'un procédé permettant d'utiliser un ustensile manuel présentant le dispositif de préhension.

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