US4010340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch member for portable, battery-operated apparatus
Assignee: Individual
•
Filing: 1975-05-05
•
Granted: 1977-03-01
•
Expires: 1995-05-05
Abstract
Abstract A switch member for portable, battery operated apparatus, such as staff location systems, which is provided with hearing sets worn on the head, ear-phones, speech amplifiers, radio receivers and the like including at least one attachement or suspension member. The switch member is arranged to be automatically moved to and forcibly retained in a circuit-closing contact position under pressure from the attachment or suspension member of the apparatus.
Inventors
- 👤 Tore Georg Palmaer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:46
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/12; H01H13/14; H01H13/18; H01H13/186; Y; Y10; Y10S; Y10S200/00; Y10S200/02
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
107 words
An automatic switch for portable battery operated radio receivers and the like comprising a housing in which said receiver or the like is located, an attachment member affixed to said housing for supporting said housing in use, a movable contact and a fixed contact located within said housing in a circuit between the receiver and the battery, said movable contact being spring biased in normally open position with respect to said fixed contact, said attachment member for supporting said housing being movable with respect to said housing into engagement with said movable contact to displace the same from its biased position into contact with said fixed contact.
Claim 2
Dependent Claim
107 words
An automatic switch for portable battery operated radio receivers and the like comprising a housing in which said receiver or the like is located, an attachment member affixed to said housing for supporting said housing in use, a movable contact and a fixed contact located within said housing in a circuit between the receiver and the battery, said movable contact being spring biased in normally open position with respect to said fixed contact, said attachment member for supporting said housing being movable with respect to said housing into engagement with said movable contact to displace the same from its biased position into contact with said fixed contact.
Claim 3
Dependent Claim
22 words
The switch according to claim 1 including spring means for normally biasing said attachment member out of engagement with said movable contact.
Claim 4
Dependent Claim
30 words
The switch according to claim 1, where said attachment member and the movable switch contact form a pivotal arm journalled in said housing which arm is made in one piece.
Claim 5
Dependent Claim
34 words
The switch according to claim 1, where the suspension member consists of the head yoke joined to an axially movable pin located in said housing and arranged to cooperate with the movable switch contact.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-02-29 | 1980-08-30 | 1981-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-29 | 1984-08-30 | 1985-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-29 | 1988-08-30 | 1989-03-01 | $7700.00 | Window Closed / Lapsed |