| 摘要 |
A switch mechanism comprising a support structure 736; an electric switch 918 mounted on the support structure and which comprises an activator 920 moveable between a first position where the electric switch is switched on and a second position where the electric switch is switched off; a first actuator 758 moveably mounted on the support structure; a cam 924, having a cam surface, connected to the first actuator so that movement of the first actuator results in movement of the cam; a second actuator 766 moveably mounted on the support structure; a bar 938 connected to the second actuator so that movement of the second actuator results in movement of the bar; wherein the cam 924 is capable of engaging with the activator so that movement of the cam by movement of the first actuator results in the activator moving between its two positions; wherein the bar is capable of engaging with the activator so that movement of the bar by movement of the second actuator results in the activator moving between its two positions; wherein the bar passes through or alongside the surface of the cam when it engages the activator.
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