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US 4,517,420 AGranted
Integral cup and hookswitch actuator for a telephone set
AssigneeNorthern Telecom Limited
InventorSteve W. Haskins
Life of this patent
Estimating the term…
Abstract
A telephone set, adaptable for either wall or desk top mounting, has an integral hookswitch and cup. The cup is at the rear of the telephone set, in the desk mounting mode, and at the top in the wall mounting mode. The cup receives the receiver end of the handset. The cup as a whole is pivoted and has a lever which acts on contact actuators of a switch. The cup is biased up, to an off hook position, being depressed by the handset to the on hook position.
Claims12
An integral cup and hookswitch for a telephone set, comprising;
- a cup for receiving one end of a handset, said cup including a bottom surface and a lever extending below said bottom surface and having an inner end;
- means pivotally mounting said cup at an outer edge on a telephone set base, for pivotal movement about an axis parallel to said outer edge, said lever extending inward from said axis;
- a switch positioned in said telephone set base, said switch including contact actuating members extending beneath said inner end of said lever;
- means resiliently biasing said cup about said axis to move said lever inner end upward to actuate said switch to an off hook condition;
- replacement of a handset pivoting said cup against said resilient biasing means to move said lever inner end downward and actuate said switch to an on hook condition.
2 more elements
Dependencies are inferred from the claim text.