Turn-on and turn-off control apparatus for electric screw-driver

Details Turn-on and turn-off control apparatus for electric screw-driver Turn-on and turn-off control apparatus for electric screw-driver

1987-11-04

1988-07-12

Schmidt, Frederick R.

Tools

Wrench, screwdriver, or driver therefor

Responsive to torque on work

81478, 173 12, 173 935, B25B 23157

Patent

active

047562161

ABSTRACT:
A turn-on and turn-off control apparatus for electric screw-drivers including: a disk seat member with a plurality of tabs and blocks for making connections therewith; an arresting mechanism retractably disposed in the blocks, a positioning device fixed on the tabs in opposite direction; a turn-on switch matched with a first follower member and a second follower member connected to the positioning device; a turn-off switch matched with a braking follower member movably arranged on one side of the positioning device; and a linking-up device movably connected between the positioning device and a clutch and driving mechanism of an electric screw-driver, which is installed in a body structure together with the turn-on and turn-off control apparatus; thereby, turn-on and turn-off of the electric screw-driver can be effectively performed in screw tightening and loosing operations.

REFERENCES:
patent: 4712456 (1987-12-01), Yuan

Affiliated with

Also associated with

Rating

Turn-on and turn-off control apparatus for electric screw-driver does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Turn-on and turn-off control apparatus for electric screw-driver, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Turn-on and turn-off control apparatus for electric screw-driver will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-658225