Handle means for percussive hand held machines

Details Handle means for percussive hand held machines Handle means for percussive hand held machines

B - Operations, Transporting

25

D

B25D 17/04 (2006.01) B25D 17/24 (2006.01) B25F 5/00 (2006.01) B25F 5/02 (2006.01) B25G 1/01 (2006.01) F16F 15/073 (2006.01)

Patent

CA 2226777

A breaker machine has a freely disposed outer handle frame (20; 21 1; 120) which can be gripped all around by hand and is positioned in spaced relation around the rear end of the machine housing (10). In a preferred embodiment the frame consists of mutually opposed side members (21) and two handles (22, 23) formed as cross-members (22, 23) to said side members (21). Bent saddle-like, the handle frame (20; 21 1; 120) surrounds the machine housing (10) and carries in a vibration suppressed state the machine housing (10) by the aid of opposed flanges (16, 17) on the side members (21) and vibration damping means (27-30) on the machine housing (10). A third cross-member (24) is connected to the side members (21) and forms an arcuate plate which is actuatable by the operator's leg and surrounds in freely spaced disposition the machine housing (10) in opposed position to the handles (22, 23). The handle frame (20; 21 1; 120), designed as an integral arcuate pressure-tight tube, is arranged as a fuel tank (121) when the breaker machine is driven by a combustion engine.

L'invention porte sur un marteau-piqueur muni d'un cadre extérieur porte-poignées (20, 21<1>, 120) flottant pouvant être saisi sur toute sa longueur par les mains et entourant l'arrière du carter de la machine (10). Dans la réalisation préférée, le cadre est constitué d'éléments latéraux (21) mutuellement opposés, et les deux poignées (22, 23) sont d'équerre avec lesdits éléments latéraux (21). Courbé en forme de selle, le cadre porte-poignées (20, 21<1>, 120) qui entoure le carter de la machine (10) le soutient et le maintient hors des vibrations grâce à des flasques opposés (16, 17) fixés aux éléments latéraux (21) et à des moyens d'amortissement (27, 30) placés sur le carter (10) de la machine. Un troisième élément d'équerre (24), relié aux éléments latéraux (21) forme une plaque incurvée pouvant être actionnée par la jambe de l'opérateur, flottant autour du carter (10), et placée à l'opposé des poignées (22, 23). Le cadre porte-poignées (20, 21<1>, 120) fait d'un tube étanche arqué d'une pièce peut servir de réservoir (121) de carburant lorsque le marteau-piqueur est entraîné par un moteur à combustion.

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