Engine-driven working machine

Details Engine-driven working machine Engine-driven working machine

F - Mech Eng,Light,Heat,Weapons

16

M

F16M 3/00 (2006.01) F16M 1/00 (2006.01)

Patent

CA 2538275

An engine-driven work machine is provided in which elastic support members (11, 11) are disposed between a lower part of a work unit (U) having an engine (3) and a frame (2) having the work unit (U) mounted thereon, the elastic support members (11, 11) being disposed beneath a crankshaft (17) of the engine on either side of a vertical plane (V) passing through the axis of the crankshaft (17), and restricting means (122) is provided between the work unit (U) and the frame (2), the restricting means (122) restricting the amplitude of swing of the work unit (U) around the crankshaft (17) to within a predetermined angle, and the restricting means (122) being disposed between upper parts of the work unit (U) and the frame (2). Even when the work unit receives a large external force in the lateral direction, swing of the work unit can thereby be restricted to within the predetermined angle.

La présente invention concerne machine motorisée dans laquelle des éléments de support élastiques (11, 11) sont agencés entre la partie inférieure d'une unité de travail (U) possédant un moteur (3) et un châssis (2) sur lequel cette unité de travail est montée, les éléments de support élastiques (11, 11) étant agencés en dessous d'un vilebrequin (17) du moteur (3), de part et d'autre d'un plan vertical (V) passant par l'axe de ce vilebrequin (17). Des organes de suppression (102) destinés à supprimer l'amplitude excédant un angle prédéterminé et agissant autour du vilebrequin (17) de l'unité de travail (U) sont situés entre cette unité de travail (U) et le châssis (2). Ces organes de suppression (122) sont placés entre l'unité de travail (U) et des parties supérieures du châssis (2). La structure inférieure permet de faire pivoter l'unité de travail au-delà d'un angle prédéterminé interdit même si l'unité de travail reçoit une force latérale externe élevée.

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