Patent · US Expired

Telephone apparatus

US4782528A · kind A · utility

12Cited by
6References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 30, 1986
Grant dateNov 1, 1988
Priority date
Expiry dateSep 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.