Blower-vacuum device

  • US 5,604,954 A
  • Filed: 01/30/1996
  • Issued: 02/25/1997
  • Est. Priority Date: 01/30/1995
  • Status: Expired due to Term
First Claim
Patent Images

1. A blower vacuum comprising:

  • a motor (10) operated by a switch (16) and located in a housing (4),a fan (14) drivable by a motor,at least one attachment member (6,

         106) which covers the fan and which is releasably attachable to the housing, anda safety interlock located at the interface between the housing and the attachment member comprising;

    actuating means responsive to the attachment member for activating the switch only when the attachment member is attached to the housing,characterised in that the safety interlock additionally comprises;

    a locking means (54) for locking the attachment member to the housing when the motor is switched on.

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