Handle covering with vibration-reducing bladder

Details Handle covering with vibration-reducing bladder Handle covering with vibration-reducing bladder

1997-07-02

1999-11-23

Neas, Michael A.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Insulated handle

16DIG12, 745519, 745585, 2 16, B25G 101

Patent

active

059877057

ABSTRACT:
An air isolation hand or handle covering has a bladder consisting of a plurality of interconnected or independent inflation cells that is positioned between the hand and a hand-held tool or other vibrating object. The cells are oriented to permit easy bending of the hand covering 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 bladder material thickness, 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 is attached in place by way of an attachment tab which is integrally formed from at least one of the layers of the bladder and extends for at least about one sixth the length of the fluid cavity. Spacing between weld lines which define the inflation cells can be varied such that the thickness of the bladder in an inflated state varies at different inflation cells. The bladder 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 and integral air valve connected to one of the air cavities. The covering may include an inflation sensor to indicate when a proper inflation pressure is reached.

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