Electricity: circuit makers and breakers – Electric switch details – Cases and bases
Patent
1995-07-17
1997-09-30
Silbaugh, Jan H.
Electricity: circuit makers and breakers
Electric switch details
Cases and bases
2003022, 264516, H01H 1906
Patent
active
056718403
ABSTRACT:
A method for fabricating protective seals or "boots" for electric switches, such as push button and toggle switches, is described. In place of traditional rubber molding techniques, the seals are made by thermoforming a plastic film, preferably polyurethane, over a mold containing the nut portion of the seal and pins configured for a suitable shape for toggle or push button switches. Inexpensive stamped, threaded nuts can be employed, and this, together with reduced tooling costs and the efficiency of the method, produce extremely economical electric switch seals. The seals themselves offer unique benefits in that the thin, yet tough, plastic film does not interfere with the functioning of the switches, while providing prolonged service life under difficult conditions. Utilizing clear urethane film, the resultant seals provide clear viewing of the functioning of the switch within.
REFERENCES:
patent: 3316379 (1967-04-01), Clarke et al.
patent: 3928742 (1975-12-01), Rule
patent: 4021519 (1977-05-01), Krueger et al.
patent: 4178806 (1979-12-01), Morse
patent: 4298778 (1981-11-01), Beresford-Jones
patent: 4825023 (1989-04-01), Morse
patent: 5035758 (1991-07-01), Degler et al.
patent: 5100204 (1992-03-01), Makihara et al.
Eashoo Mark
Multi-Flex Seals, Inc.
Parkinson Martin
Silbaugh Jan H.
LandOfFree
Vacuum formed electric switch seals does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Vacuum formed electric switch seals, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Vacuum formed electric switch seals will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2251433