Screw driving apparatus

Details Screw driving apparatus Screw driving apparatus

1983-02-22

1984-11-20

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 5724, 81 573, 81 574, B25B 2300

Patent

active

044832192

ABSTRACT:
An apparatus for driving a screw into a workpiece, which comprises a support stand, a rotating drive mounted on the support stand, a replaceable flywheel mass, a coupling between the rotating drive and the flywheel mass for transmitting a rotary motion from the drive to the flywheel mass, a holder for a screwdriver keyed to the flywheel mass for rotation therewith whereby the screw may be driven into the workpiece in a screw driving direction, an adjustment drive for adjustably positioning the holder in relation to the rotating drive in said direction, a device for blocking a recoil of the holder in a direction opposite to the screw driving direction, the recoil blocking device being arranged between the support stand and the holder, and a control for selectively operating the recoil blocking device at least during the recoil of the holder.

REFERENCES:
patent: 2314760 (1943-03-01), Blair
patent: 2605792 (1952-08-01), Havener
patent: 2961019 (1960-11-01), Dixon
patent: 3561508 (1971-02-01), Holzwarth

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