Magnetic return control key

Details Magnetic return control key Magnetic return control key

1980-10-23

1982-08-03

Hix, L. T.

Electricity: magnetically operated switches, magnets, and electr

Permanent magnet-actuated switches

H01H 1322, H01H 312

Patent

active

043429750

ABSTRACT:
The invention relates to a control key, consisting of a fixed casing, a push-button mounted for sliding in the casing and magnetic means for returning the push-button to its rest position. The casing comprises a hollow center part opened towards the top and of which the bottom is at least partly closed off by a wall of predetermined thickness, to form a housing for a permanent magnet. The said push-button is hollow on the inside so as to cap the said center part, and is provided at its lower end with a plate of magnetic material, closing off the hollow inside of the push-button beyond the said wall.
The invention finds an application in keyboard installations.

REFERENCES:
patent: 3072769 (1963-01-01), Roeser
patent: 3906417 (1975-09-01), Serras-Paulet
patent: 3934215 (1976-01-01), Rich et al.

Affiliated with

Also associated with

Rating

Magnetic return control key 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 return control key, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magnetic return control key will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1469999