Vehicle air outlet with uniform precision feel to operator

Details Vehicle air outlet with uniform precision feel to operator Vehicle air outlet with uniform precision feel to operator

1996-04-01

1999-07-13

Joyce, Harold

Ventilation

Vehicle

Having inlet airway

454152, B60H 134

Patent

active

059218606

ABSTRACT:
A vehicle air outlet having an outlet bell, an upstream intruder member, a control shaft secured to the upstream intruder member, and a ball and socket device for mounting the control shaft to the outlet bell. In a preferred embodiment a portion of the control shaft is made to serve as a housing having a fixed hemispherically shaped bearing seat which is integrally formed therein at the closed end of the housing and a slot is formed in the housing to allow the ball supporting struts to extend outwardly from proximate the axial center of the outlet. A spring loaded bearing seat forming a second hemispherical and floating portion of the socket is guided by the housing into engagement with and to capture the is ball in the socket and a closure cap retains the compression spring in position. In a preferred embodiment, a long compression spring is used. This is advantageous over a short spring element where minor changes in compressed length can cause relatively high changes in spring force.

REFERENCES:
patent: 3602127 (1971-08-01), Walker
patent: 5788394 (1998-08-01), Hess et al.
patent: 5816907 (1998-10-01), Crokett

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