Cutting – With work immobilizer – Means to clamp work
Patent
1990-02-12
1992-06-09
Eley, Timothy V.
Cutting
With work immobilizer
Means to clamp work
83460, 83614, B23D 716
Patent
active
051197065
ABSTRACT:
A machine device and method for use thereof provides uniform, precision machined chamfers upon pieces of non-uniform shape. The device includes a longitudinal base for supporting and longitudinal fixing thereon a flat, flexible blank having opposing longitudinal edges at least one of which is non-linear and to be chamfered. A longitudinal platform provides a non-planar surface with which to clamp the blank against an opposing corresponding non-planar lower clamping surface, provided upon the longitudinal base, so as to flexibly deform the blank such that the non-linear longitudinal edge of the blank extends by a substantially equal distance at each point thereon from a planar machining path extending along the non-linear longitudinal edge of the clamped blank. A machine cutting device passes a straight-edged cutting tool along a planar cutting path for uniform chamferring of the non-linear edge of the blank.
REFERENCES:
patent: 3995522 (1976-12-01), Holliday
patent: 4676130 (1987-06-01), Nutt
patent: 4850579 (1989-07-01), Fisher
patent: 5001108 (1991-03-01), Jenkner
patent: 5018418 (1991-05-01), Nasu
patent: 5022300 (1991-06-01), Yamashita
Ehrhardt Tool and Machine Company, Inc.
Eley Timothy V.
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