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Hinge device for use in electric equipment

  • US 6,609,272 B1
  • Filed: 04/12/2002
  • Issued: 08/26/2003
  • Est. Priority Date: 03/14/2002
  • Status: Expired due to Fees
First Claim
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1. A hinge device for use in electric or electronic equipment in which a pivoting portion moves with respect to a fixed portion around a hinge portion, to thereby generate a predetermined pivoting movement according to the movement of the pivoting portion, the hinge device comprising:

  • a lower bracket;

    vertical plates which are vertically and opposingly installed with respect to each other on the central portion of a lower plate, each vertical plate having an inwardly protruding stopper on the upper portion thereof;

    a rotational axle around the center portion of which a coil spring is wound to support the lower bracket and an upper bracket, and around an axle groove of which a snap ring is fitted, the rotational axle being placed across the upper portions of the vertical plates, wherein part of each end of the rotational axle is cut to form a cutting face;

    a connection plate placed across the upper portions of the vertical plates, the connection plate having a fixing hole and a fixing unit on each end thereof;

    a band spring having an engagement unit, which is fitted into each end of the rotational axle, the engagement unit and washers are fixed by a fixing unit and an adjustment bolt, wherein a band cutting face is formed facing the cutting face of the rotational axle; and

    the upper bracket having two supporters each of which has a holder including an upper contacting portion and a lower contacting portion which contact the protruding stopper respectively and an axle hole through which the rotational axle is fitted, wherein a plate bearing groove in which a plate bearing is inserted and an adjustment hole through which an adjustment bolt extends are engaged in the inside of the axle hole.

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