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Method of swinging a pivoted door to a selected position and cam and follower mechanism for use in the method

  • US 5,337,448 A
  • Filed: 11/19/1992
  • Issued: 08/16/1994
  • Est. Priority Date: 11/28/1991
  • Status: Expired due to Term
First Claim
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1. A cam and follower mechanism mounted in a housing, comprising:

  • a cam mounted for turning relative to said housing about a cam axis fixed relative to said housing;

    a follower in abutment with said cam; and

    guide means for guiding said follower for reciprocation relative to said housing towards and away from said cam axis, said guide means being adjustable relative to said housing in an adjustment direction transverse to a direction of reciprocation of said follower and transverse to said cam axis, wherein said guide means comprises a plurality of guide elements mounted in the housing and spaced apart from each other in said adjustment direction and wherein said follower lies between said guide elements,wherein said guide means includes transmission means for transmitting movement between said guide elements to constrain said guide elements to move together relative to said housing,wherein each of said guide elements has a screw thread engaged with a respective complementary thread of said housing, andwherein said transmission means includes a respective rotary drive element engaged with each guide element and an intermediate rotary transition element located between said rotary drive elements for constraining said rotary drive elements to turn together relative to said housing.

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