Plural Carriage-moving Mechanisms (e.g., Escapement, Tabulation, Etc.) Patents (Class 400/665)
  • Patent number: 4552474
    Abstract: A backspace device in a typewriter comprising: an interposer operable by the operation of a key lever; a cycle bail operable by the interposer; a cycle clutch for intermittently transmitting a driving force from a driving source to a main shaft so that the main shaft can be rotated by a predetermined number of times in association with the cycle bail; an actuating bail for performing a cycle of a motion along a moving path of a predetermined mode by a full turn of the main shaft, while rendering to the interposer a motion in a direction of the interposer leaving the cycle bail during the motion; a backspace link for moving in association with the interposer during the leaving motion of the interposer; a backspace rack extending laterally of the typewriter, supported rotatably about an axis laterally disposed and turned to a working position by the backspace link; and a backspace pawl fastened onto a carriage so that it can be reciprocated a predetermined distance in the lateral direction by a cam rotatable in
    Type: Grant
    Filed: November 9, 1983
    Date of Patent: November 12, 1985
    Assignee: Tokyo Juki Industrial Co., Ltd.
    Inventors: Giancarlo Horeschi, Gian P. Barozzi