| 摘要 |
A machine safety guard unit system (10) having a flexible panel (25) moved upwards and downwards between track members (13, 15) with the system (10) positioned between the operative parts of a machine (44) and a machine operator, such panel (25) when closed protecting the machine operator and when moved upwards into its open mode, allowing access to the machine (44) and preventing the machine (44) from operating. In some embodiments more than one of such units (12, 16, 22, 24) can be disposed around a machine (44) with alarm means (48); and in yet other embodiments, with interengagement means connecting such units (12, 16, 22, 24).
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