Telephone apparatus
US4782528A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1986 |
| Grant date | Nov 1, 1988 |
| Priority date | — |
| Expiry date | Sep 30, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/602
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
In a telephone apparatus comprising a locking arrangement for holding a handset on a base unit, protrusion members are provided on the base unit so as to confront and outer inner sides of the receiver part of the handset. When the handset is mounted on the base unit, one of the protrusion members being movable, engagement parts provided on the outer and the inner sides of the receiver part engage the protrusion members. The movable protrusion member is resiliently held and retracted by abutment and sliding with the receiver part as the handset is lifted off the base unit and as the handset is mounted onto the base unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.