SCREW DRIVER Russian patent published in 1996 - IPC

Abstract RU 2064857 C1

FIELD: instrumentation engineering. SUBSTANCE: screw driver has handle 1 where bar with blade 3 is fastened. The blade has protrusions. Magnetic lock in the form of washer 4 made of magnetic rubber is fastened on blade for interacting with blade protrusions. Length of protruding part of blade 3 facing the screw is equal to slit depth of the latter. EFFECT: simper design. 1 dwg

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RU 2 064 857 C1

Authors

Kostjunin A.A.

Dates

1996-08-10—Published

1992-04-06—Filed