Detent plunger for automatic transmission shifter

Details Detent plunger for automatic transmission shifter Detent plunger for automatic transmission shifter

2007-01-04

2008-12-23

Ridley, Richard W (Department: 3682)

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

C074S473250, C074S527000

Reexamination Certificate

active

07467569

ABSTRACT:
A shifter mechanism includes a shift lever movable along a shift path and a detent assembly. The detent assembly includes a detent profile defining a plurality of gear positions, a bore, a detent plunger located at least partially within the bore, a spring member resiliently biasing the detent plunger into engagement with the detent profile, a split bushing located between the detent plunger and the bore, and a spacer located between the spring member and the bushing. The bushing is located between the spacer and an abutment of the detent plunger, and the spring member is located between the spacer and an abutment of the bore. Contact surfaces between the bushing and the abutment and between the bushing and the spacer are each angled so that a force of the spring member automatically expands the bushing to remove any free-play formed between the detent plunger and the bore.

REFERENCES:
patent: 4365522 (1982-12-01), Kubota et al.
patent: 7246538 (2007-07-01), Hermansson

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