초록 ▼

A safety cut-off system prevents the running of a motor of a self-propelled lawn mower having left and right drive wheels, and forward and reverse gears. The safety cut-off system includes a first forward presence lever manipulatable, by an operator, between an ON state and an OFF state, wherein the

A safety cut-off system prevents the running of a motor of a self-propelled lawn mower having left and right drive wheels, and forward and reverse gears. The safety cut-off system includes a first forward presence lever manipulatable, by an operator, between an ON state and an OFF state, wherein the forward presence lever is biased to the OFF state, and a reverse presence lever manipulatable, by an operator, between an ON state and an OFF state, wherein the reverse presence lever is also biased to the OFF state. A preventing element, which is responsive to the forward and reverse presence levers, is provided for preventing the motor from running, when the lawn mower is in neutral or a forward gear and neither the forward presence lever nor the reverse presence lever are in the ON state, and when the lawn mower is in a reverse gear and the reverse presence lever is not in the ON state.

대표청구항 ▼

[ We claim:] [1.] A safety cut-off system in combination with a self-propelled lawn mower for preventing the running of a motor of the self-propelled lawn mower having left and right drive wheels, and forward and reverse gears, said safety cut-off system, comprising:a first forward presence lever op

[ We claim:] [1.] A safety cut-off system in combination with a self-propelled lawn mower for preventing the running of a motor of the self-propelled lawn mower having left and right drive wheels, and forward and reverse gears, said safety cut-off system, comprising:a first forward presence lever operatively mounted on a handle bar of the lawn mower and being manipulatable, by an operator, between an ON state and an OFF state, said forward presence lever being biased to the OFF state;a reverse presence lever operatively mounted on the handle bar of the lawn mower and being manipulatable, by an operator, between an ON state and an OFF state, said reverse presence lever being biased to the OFF state; andpreventing means, operatively connected to said presence levers and the motor and being responsive to said forward and reverse presence levers, for preventing the motor from running,when the lawn mower is in neutral or a forward gear and neither said forward presence lever nor said reverse presence lever are in the ON state, andwhen the lawn mower is in a reverse gear and the reverse presence lever is not in the ON state.