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Multi-direction controlling mechanism

  • US 4,127,841 A
  • Filed: 07/28/1977
  • Issued: 11/28/1978
  • Est. Priority Date: 07/30/1976
  • Status: Expired due to Term
First Claim
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1. A multi-direction controlling mechanism comprising a controlling lever supported by a spherical bearing at an intermediate point to be tiltable in any direction and provided with a lateral slot and a shaft portion on one side of said spherical bearing, a first pair of shafts supported by a stationary casing of the mechanism to coaxially extend along a line passing through the center of rotation of said controlling lever, a pair of link members rotatably mounted on said first pair of shafts respectively, a second shaft extending through said slot in parallel with said first pair of shafts, a first pair of arms rotatably mounted on said first pair of shafts respectively, a first pair of torsion springs respectively wound about said first pair of shafts for urging said first pair of arms against said second shaft, a second pair of shafts supported by said casing and extending in a direction normal to said first pair of shafts, a third pair of shafts extending from the opposite sides of a guide member in parallel with said second pair of shafts, said guide member being provided with a slot for receiving said shaft portion of said controlling lever, a second pair of arms rotatably mounted on said second pair of shafts, a second pair of torsion springs respectively wound about said second pair of shafts for urging said second pair of arms against said third pair of shafts respectively in the opposite direction, and a plurality of electric signal generating means operated by one ends of said first and second pairs of arms for generating electrical signals in response to the rotation of said arms, whereby when said controlling lever is tilted in any direction by any inclination angle, said signal producing means produce electric signals corresponding to the direction and angle of inclination of said controlling lever.

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