Automatic impact screwdriver

Details Automatic impact screwdriver Automatic impact screwdriver

1993-08-05

1994-06-21

Meislin, D. S.

Tools

Including tool driving by impact delivering component or...

173121, B25B 1900

Patent

active

053219996

ABSTRACT:
An automatic screwdriver is capable of generating an impact force on a screw that is being tightened or loosened. An action rod is disposed eccentrically in conjunction with a short helical spring. The eccentric position of the action rod is corrected by engagement with an annular flange within the main body of the handle upon rearward movement thereof which causes movement of the action rod into a slot in an impact rod resulting in an impact force which is imparted to a head tip.

REFERENCES:
patent: 2960864 (1960-11-01), Watts

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