Electricity: circuit makers and breakers – Multiple circuit control – Operating means
Patent
1998-06-19
2000-03-07
Friedhofer, Michael
Electricity: circuit makers and breakers
Multiple circuit control
Operating means
200 6A, H01H 2504
Patent
active
060343362
ABSTRACT:
A knob assembly is utilized for selecting a desired function of electronic appliances. The knob assembly includes a front panel having a circular mounting hole at front thereof, a knob freely moved to a voluntary direction, and a front circuit board having tact switches disposed to be pressed by an operation of the knob. The front panel has a tension holder backwardly projected around the mounting hole. The holder consists of a first group of tension ribs vertically and horizontally located and a second group of tension ribs located between the first group of tension ribs, the first group of tension ribs being provided with a groove, respectively. The knob has a knob handle disclosed from the front panel, a rotational sphere inserted into the tension holder, and a contacting member, the rotational sphere being provided with projections on a periphery surface which are coupled with each groove of the first group of tension ribs. The knob is restored by a restoring fot group of tension ribs. The knob is restored by a restoring force of the tension holder to a standard position which allows the projections of the rotational sphere to be always coupled with each groove of the first group of tension ribs.
REFERENCES:
patent: 3679846 (1972-07-01), Dillon et al.
patent: 3917918 (1975-11-01), Vannest et al.
patent: 4520242 (1985-05-01), Kopsho, Jr.
patent: 5773773 (1998-06-01), McCauley et al.
Daewoo Electronics Co. Ltd.
Friedhofer Michael
LandOfFree
Knob assembly for use in electronic appliances does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Knob assembly for use in electronic appliances, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Knob assembly for use in electronic appliances will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-365075