Abstract: A pointing device provides increased comfort by supporting the user's hand to avoid extreme positions of posture ranges of the various fingers and joints of the hand and wrist. The device includes an upper surface having a crown on which to rest a palmar region of the palm of the hand of a user substantially at the metacarpal-phalangeal (MP) joint of the second digit and at least a portion of the metacarpal-phalangeal joint of the third digit. The upper surface has a front region on which to rest the second and third digits. The front region extends downwardly from the crown in a forward direction. The upper surface includes a back region on which to rest the hypothenar region of the hand. The back region extends downwardly from the crown in a rearward direction, and is configured to substantially avoid contacting the carpal tunnel and to substantially avoid supporting the thenar region of the hand.
Type:
Grant
Filed:
February 22, 2000
Date of Patent:
January 21, 2003
Assignees:
Logitech Europe S.A., The Regents of the University of California
Inventors:
Peter Sheehan, Cathal Loughnane, David M. Rempel
Abstract: A pointing device provides increased comfort by supporting the user's hand to avoid extreme positions of posture ranges of the various fingers and joints of the hand and wrist. The device includes an upper surface having a crown on which to rest a palmar region of the palm of the hand of a user substantially at the metacarpal-phalangeal (MP) joint of the second digit and at least a portion of the metacarpal-phalangeal joint of the third digit. The upper surface has a front region on which to rest the second through fourth digits. The front region extends downwardly from the crown in a forward direction. The upper surface includes a back region on which to rest the hypothenar region of the hand. The back region extends downwardly from the crown in a rearward direction, and is configured to substantially avoid contacting the carpal tunnel and to substantially avoid supporting the thenar region of the hand.