Cutting by use of rotating axially moving tool – With work-engaging structure other than tool or tool-support – Adjustable – tool-guiding jig
Patent
1975-09-25
1977-02-01
Simpson, Othell M.
Cutting by use of rotating axially moving tool
With work-engaging structure other than tool or tool-support
Adjustable, tool-guiding jig
10129M, 269 873, 269321N, 408 72B, 408 97, 408104, B23B 4728, B23B 4902, B25B 100
Patent
active
040059456
ABSTRACT:
A clamping and drill guide apparatus which is utilized by an operator to aid in manually drilling holes in work pieces which have an arcuate contour. The apparatus includes a first clamping member which has a multiplicity of openings axially passing through the first clamping member in a vertical direction. A second clamping member located in alignment with the first clamping member and below such includes a multiplicity of threaded through openings which axially pass in the vertical direction and are alignable with each of the through openings in the first clamping member. A pair of screw and nut members provide for clamping the first member to the second member when a work piece is inserted therebetween. Further, the apparatus provides a mechanism for axially aligning the work piece between the first member and the second member.
REFERENCES:
patent: 320536 (1885-06-01), Bryant
patent: 550767 (1895-12-01), Thielscher
patent: 1293143 (1919-02-01), McKenzie
patent: 1712453 (1929-05-01), Bieder
patent: 2418234 (1947-04-01), McCullough
patent: 2886080 (1959-05-01), Rappeport
patent: 3589825 (1971-06-01), Wojcik
Briggs William R.
Rosenberg Morton J.
Simpson Othell M.
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