Ornamental clock
AssigneeAoki Corporation
InventorHiroshi Tomura
Life of this patent
Estimating the term…
Abstract
Ornamental clock having a parallelogram formed of the short and long clock hands and two sets of links pivotally linking the hands. The profile of the parallelogram changes continuously and variously as the clock hands travel about the dial plate center in order to provide a fantastic aesthetic effect to indicate time in conjunction with the time indicia.
Claims4
In a timepiece having time indicia on a face thereof, a minute hand and an hour hand shorter in length than said minute hand, said minute hand and said hour hand being driven rotationally about a common axis of rotation for indicating time in conjunction with said time indicia, said minute hand and said hour hand each having an end portion remote from said axis of rotation, a first link of a length substantially equal in length to the minute hand and having a first end portion pivotally connected to said end portion of said hour hand remote from said axis of rotation for rotation therewith, a second link of a length substantially equal in length to the hour hand and having a first end portion pivotally connected to said end portion of said minute hand remote from said axis of rotation for rotation therewith, said first link and said second link having second end portions, and means pivotally connecting said second end portions of said first link and said second link remote from said axis of rotation, whereby as the minute hand, the hour hand, the first link, and said second link are rotationally driven parallelograms of varying configuration are defined thereby.
Dependencies are inferred from the claim text.