Tool-loadable biasing spring

Details Tool-loadable biasing spring Tool-loadable biasing spring

1981-12-02

1984-01-31

Stoner, Jr., Bruce H.

Spring devices

Bendable along flat surface

Bow spring or superposed spring elements

267159, 267163, 292353, 70224, F16F 118, E05B 304

Patent

active

044285701

ABSTRACT:
A tool-loadable biasing spring for a knob retainer plate securing a doorknob on its knob sleeve. The plate is slidable transversely in the sleeve and has a central opening. The biasing spring has a bight with a hook for engagement behind the linear forward border of the opening and with an axial offset for transmitting thrust to such border. Spring legs extend unrestrained across the face of the plate into camming relation with forwardly diverging inner faces of the sleeve, so as to generate forward bias on the spring. The legs have axial offsets with out-turned fingers to lock behind the plate. For loading, the spring is held in resiliently contracted condition across the end of a holder tool, and the tool is inserted into the end of the sleeve until both the bight offset and leg offsets and fingers pass simultaneously through the retainer plate opening. The spring is then released for self-movement into interlocked relation with the plate.

REFERENCES:
patent: 2998273 (1961-08-01), Unetic
patent: 4342478 (1982-08-01), Foshee

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