MULTI-FUNCTIONAL SCREWDRIVER

MULTI-FUNCTIONAL SCREWDRIVER

  • CN 2,091,207 U
  • Filed: 09/14/1990
  • Issued: 12/25/1991
  • Est. Priority Date: 09/14/1990
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of multifunctional nut is criticized, it is characterized in that handlebar is fixedly connected, being slidingly matched of handlebar and loam cake and lower cover, loam cake is fixed on the axle of lower cover, rotation crewdriver attachment casket is contained between loam cake and the lower cover rotationally, the axis of the axis of loam cake sleeve pipe and lower cover sleeve pipe and handlebar are on the same axis, crewdriver attachment is placed in the crewdriver attachment casket, the crewdriver attachment afterbody is a L type hook, the handlebar front end has a L type groove, the lower cover bottom surface is provided with the circular trough that a cross section is the L type, also is provided with a trip-proof device and in the handle and surveys electric installation.

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