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US3589206A Expired / Lapsed US ⏱️ 0.0 years remaining

Single knob control device

Assignee: American Motors Corp
•
Filing: 1970-02-24
•
Granted: 1971-06-29
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Expires: 1990-02-24
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Abstract

Abstract A single knob control device constructed to provide selective, graduated, control of the air dampers of an automotive air conditioning system by use of a slotted mounting arrangement and a plurality of pivotally connected, actuating members.

Inventors

  • 👤 Leroy J Herbon

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 14:52
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00642; B60H1/00814; B60H1/00821; B60H1/00835; B60H1/00857; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 128 words
A control device comprising: a. a support having a pair of slotted openings; b. a lever having a pair of ears, one of said pair of ears being slidably mounted on the first slotted opening and the other ear on the second slotted opening of said pair of openings of said support; c. A link pivotally connected to said lever; and d. a crank pivotally mounted on said support and pivotally connected to said link, said crank assuming an initial position when said pair of ears are in corresponding ends of said slotted openings and a final position when said one ear has moved to the other end of said first slotted opening or said other ear has moved to the other end of said second slotted opening.
Claim 2
Dependent Claim 128 words
A control device comprising: a. a support having a pair of slotted openings; b. a lever having a pair of ears, one of said pair of ears being slidably mounted on the first slotted opening and the other ear on the second slotted opening of said pair of openings of said support; c. A link pivotally connected to said lever; and d. a crank pivotally mounted on said support and pivotally connected to said link, said crank assuming an initial position when said pair of ears are in corresponding ends of said slotted openings and a final position when said one ear has moved to the other end of said first slotted opening or said other ear has moved to the other end of said second slotted opening.
Claim 3
Dependent Claim 17 words
The device of claim 1 in which said pair of slotted openings are generally of arcuate configuration.
Claim 4
Dependent Claim 20 words
The device of claim 2 further comprising detent means for maintaining said lever and saId crank in said initial position.
Claim 5
Dependent Claim 23 words
The device of claim 3 in which said support has a slotted hole and said lever extends therethrough for guided linear movement therein.
Claim 6
Dependent Claim 68 words
The device of claim 1 further comprising: a. a first bowden cable assembly connected to said one ear And adapted to be connected to a defrost damper, a second bowden cable assembly connected to said other ear and adapted to be connected to a fresh air and recirculation damper, and a third bowden cable assembly connected to said crank and adapted to be connected to a heater damper.

References Cited (Backward Citations)

US3355960A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-06-28 1974-12-28 1975-06-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-06-28 1978-12-28 1979-06-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-06-28 1982-12-28 1983-06-29 $7700.00 Window Closed / Lapsed

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