Wrap spring coupling with improved spring

192 clutches and power-stop control – Clutches – Transversely engaged

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192 84T, F16D 1308, F16D 2710

Patent

active

043219926

ABSTRACT:
The helical spring of a wrap spring clutch is formed with a radially projecting protrusion which is spaced 180 degrees from one of the end tangs of the spring. The protrusion and the end tang are connected to the control collar of the clutch and cause the tensile force applied by the spring to be balanced angularly around the collar.

REFERENCES:
patent: 3185276 (1965-05-01), Sajovel Jr.
patent: 3349880 (1967-10-01), Baer
patent: 3637056 (1972-01-01), Baer
patent: 3648810 (1972-03-01), Weatherby
patent: 3726372 (1973-04-01), Baer et al.
patent: 4030584 (1977-06-01), Lowery et al.
PSI Clutches--MSC Series--No. P--573-Warner Electric, Rev. 10/74.

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