Mechanical interval timer with calibration means
AssigneeSunbeam Corporation
InventorChristian M. Jauch
Life of this patent
Estimating the term…
Abstract
A mechanical interval timer and method of manufacturing same including an adjustable bearing permitting adjustment of the space between the escape wheel and the escape lever disc to obtain an accurate timing rate through precalibration of one sample made from a selected group of parts for the timer.
Claims7
An interval timer of the type having a spring which is manually tensioned when the timer is set and having an escapement gear train through which said spring drives an escape wheel controlled by an escape lever disc, the improvement comprising a pair of plastic frame members in which a plurality of gears forming said gear train are journalled, a shaft supporting one end of said escape lever disc, a rotatable bearing supporting one end of said escape lever disc shaft, said bearing being press fitted into a circular opening in one of said frame members and an eccentric bearing hole in said bearing whereby rotation of said bearing in said opening changes the spacing between the axes of said escape wheel and said escape lever disc.
Dependencies are inferred from the claim text.