Operational control
US6021690A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 27, 1998 |
| Grant date | Feb 8, 2000 |
| Priority date | — |
| Expiry date | Apr 27, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/20636
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An operational control for use with a ventilation, heating, or air conditioning unit of a vehicle, that can be actuated by a turn knob comprises: a guide member for being attached to and manipulated by a turn knob, the guide member defining a guiding groove; an adjusting lever for actuating a Bowden cable to which the adjusting lever is linked, the adjusting lever being mounted adjacent the guide member to pivot; a guide pin attached to the adjusting lever for extending into the guiding groove for cooperating with the guiding groove to cause the adjusting lever to pivot when the guide member is manipulated. The adjusting lever is made of a material that can be welded to steel and the guide pin is a weld-on steel ball welded to the adjusting lever.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.