Magnetic chuck

Details Magnetic chuck Magnetic chuck

1983-02-25

1984-09-04

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Work or object holding type

335295, H01F 720

Patent

active

044700326

ABSTRACT:
A magnetic chuck for use in grinding optical lenses consisting of a means for increasing or decreasing the magnetic force exerted by a magnetic attachment surface contained in a housing sized for use in a lens grinding machine, wherein the means for increasing or decreasing the magnetic force exerted by the magnetic attachment surface is operated by means of manually operating a control to rotate a permanent magnet 90 degrees from a first position to a second position, where in the first position the magnetic force exerted by the magnetic attachment surface is minimal and in the second position, a substantial increase of magnetic force is exerted by the magnetic attachment surface for secured attachment of the lens piece during grinding of a raw glass lens blank into an optical lens.

REFERENCES:
patent: 3089066 (1963-05-01), Uc et al.
patent: 4251791 (1981-02-01), Yanagisawa et al.

Affiliated with

Also associated with

Rating

Magnetic chuck does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Magnetic chuck, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magnetic chuck will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1894708