High torque retention joint in a tensioner

Details High torque retention joint in a tensioner High torque retention joint in a tensioner

2006-11-28

2006-11-28

Johnson, Vicky A. (Department: 3682)

Endless belt power transmission systems or components

Means for adjusting belt tension or for shifting belt,...

Pulley shifter

Reexamination Certificate

active

07140992

ABSTRACT:
A method of manufacturing a tensioner (10) by mounting an end member (38) on an end of a hollow tensioner shaft (24) includes a step of providing an end member (38) of sheet material with an opening (76) having a plurality of annularly spaced inwardly extending pointed projections (78). A hollow shaft (24) has an outwardly extending shoulder (82) at an end portion thereof. A relative axial movement between the end member (38) and the hollow shaft (24) is effected so that the end member (38) abuts against the shoulder (82) of the hollow shaft (24). The hollow shaft (24) is deformed at the end portion radially outward to embed the projections (78) into the hollow shaft (24) to thereby form a joint (32) therebetween.

REFERENCES:
patent: 3734697 (1973-05-01), Sieghartner
patent: 4557707 (1985-12-01), Thomey
patent: 5030172 (1991-07-01), Green et al.
patent: 5472243 (1995-12-01), Ruggles et al.
patent: 5803850 (1998-09-01), Hong et al.
patent: 0 857 890 (1997-12-01), None
patent: 2.026.590 (1970-12-01), None
patent: 2 772 317 (1997-12-01), None
Patent Abstracts of Japan Publication No. 57025232 Publication Date: Oct. 2, 1982 International Class: B21D 53/88 F16C 3/02 Title: Production of Plate Like Member Having Hollow Shaft Part.

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