Slip clutch handle for parking meter system

Details Slip clutch handle for parking meter system Slip clutch handle for parking meter system

1988-09-23

1990-05-01

Lindsey, Rodney M.

Machine element or mechanism

Control lever and linkage systems

Elements

368 90, 194350, G05G 110, G04F 104

Patent

active

049208241

ABSTRACT:
A parking meter actuator handle is provided with a clutch means comprising slip bearing members disposed between first and second relatively rotatable parts. The slip bearing members are pre-loaded in recesses in said second part to provide frictional engagement between the first and second parts. But excessive torque forces exerted upon the first part causes relative displacement between the first and second parts as said frictional force is overcome to protect the parking meter against vandalism.

REFERENCES:
patent: 1516152 (1924-11-01), Dumont
patent: 1683715 (1928-09-01), Erban
patent: 2603288 (1952-07-01), Sollenberger
patent: 3082643 (1963-03-01), Grassi et al.
patent: 3486325 (1969-12-01), Cochran
patent: 3636701 (1972-01-01), Lazarow
patent: 3662628 (1972-05-01), Schnepel
patent: 4515037 (1985-05-01), Block
patent: 4571111 (1986-02-01), Keogh
patent: 4679420 (1987-07-01), Yang

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