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Slide door unit for use in automotive air conditioner

  • US 6,347,988 B1
  • Filed: 04/04/2000
  • Issued: 02/19/2002
  • Est. Priority Date: 10/14/1999
  • Status: Active Grant
First Claim
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1. A slide door unit for use in an automotive air conditioner, said unit comprising:

  • a door housing having a concave inner surface and laterally opposed side walls, said side walls having respective arcuate guide grooves;

    a slide door member having a convex outer surface slidable on and along the concave inner surface of said door housing, said slide door member having a concave inner surface;

    racks provided on laterally opposed sides of the concave inner surface of said slide door member;

    guide pins secured to laterally opposed ends of said slide door member, said guide pins being slidably engaged with said arcuate guide grooves of said door housing;

    a pinion gear unit including two pinion gears and a shaft by which said pinion gears are connected, said pinion gear unit being rotatably held by the laterally opposed side walls of said door housing having said two pinion gears meshed with said racks respectively; and

    a resilient structure defined by each of the pinion gears of said pinion gear unit, said resilient structure biasing said pinion gears against said racks, thereby pressing the guide pins against bottom walls of the corresponding arcuate guide grooves when said pinion gear unit is properly held by said door housing.

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