Electric screw driver

Details Electric screw driver Electric screw driver

1987-05-15

1989-08-15

Dunkins, Bruce W.

Tools and hardware

Other tools and implements

With relative movement of parts while performing function

Patent

active

D03027864

REFERENCES:
patent: 2940488 (1960-06-01), Riley, Jr.
patent: 3460408 (1969-08-01), Raymond
patent: 4251120 (1981-02-01), Wolff
patent: 4762035 (1988-08-01), Fushiya et al.
AEG Heavy Duty Power Tool Catalog 1977, p. 35, locking collars for screwdrivers.
Product flyers for Makita power tools Models Nos. 6710DW; 6010DW; 6012DW; 6012; MDW; 8400DW; 6070DW; 6071DW; 6092DW; and 6072DW.

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