Arrowhead extractor

Details Arrowhead extractor Arrowhead extractor

1988-12-05

1990-05-01

Hartman, Judy

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29256, B23P 1904

Patent

active

049206257

ABSTRACT:
An arrowhead extractor apparatus for removal of an arrowhead embedded in a workpiece. The arrowhead extractor includes a threaded shaft with a threaded bore at a first end and a handle at a second end. A removable insert fits into the threaded bore. The removable insert includes a threaded bore for engaging the threaded shaft of an arrowhead. A sleeve is slideable along the shaft. The sleeve has a surface for engaging the workpiece and has a central opening through which the arrowhead can pass. An attachment is provided for adjusting the surface of the sleeve to conform to an uneven workpiece surface. A nut threadedly engages the threaded portion of the shaft. The nut engages the sleeve and moves the sleeve relative to the shaft in response to rotation of the nut.

REFERENCES:
patent: 2714409 (1955-09-01), Primrose
patent: 3740814 (1973-06-01), Marshall
patent: 4633582 (1987-01-01), Ulsh

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