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Operation input device and character input device

  • US 8,188,977 B2
  • Filed: 07/30/2009
  • Issued: 05/29/2012
  • Est. Priority Date: 08/19/2008
  • Status: Active Grant
First Claim
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1. An operation input device to be used by being attached to a base having a surface on which a recessed portion including a side surface that faces one end of the base is formed, the operation input device comprising:

  • a side surface portion, at least a part of which is formed into a shape corresponding to the side surface of the recessed portion facing the one end; and

    first and second holding portions which protrude from the operation input device so as to be opposed to each other, and fix the operation input device to the base by sandwiching the base respectively from the one end and an opposite side to the one end, wherein;

    a surface of at least one of the first and second holding portions, which is brought into contact with the base, is formed to be bent toward another one of the first and second holding portions;

    at least a tip end portion of the first holding portion is configured to be movable toward an opposite side to the second holding portion, and the tip end portion of the first holding portion moves toward the opposite side to the second holding portion, whereby the operation input device is attached to or detached from the base; and

    the side surface portion is brought into contact with the side surface of the recessed portion facing the one end, in a state where the operation input device is attached to the base,wherein the first holding portion is coupled to a bottom surface of the operation input device, is configured to be rotatable about a rotation shaft as a rotation center provided on a portion thereof that is coupled to the bottom surface, and has a tip end portion moving to the opposite side to the second holding portion by rotation of the first holding portion.

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