Detent plunger for automatic transmission shifter
US7467569B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 4, 2007 |
| Grant date | Dec 23, 2008 |
| Priority date | — |
| Expiry date | Aug 17, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/20636
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.