It will be understood that when my invention is applied to the operation of a clock the power taken from the power transmission wheel 24 will be given up gradually, being controlled by the pendulum or balance wheel governed escapement in the usual way.
In the application of my invention as last above described the apparatus will be designed and built to furnish energy sufficient not only to run the clock, but provide a surplus for storage. On some days the variation in temperature may be but two or three degrees, and on
other days it may be as high as twenty degrees. If the clock requires for its operation the lowering of three balls each day the apparatus will be so arranged that with an average daily temperature variation of, say, six degrees, four balls will be raised, of which three will operate the power transmission wheel and one will be held in storage. With a variation of twelve degrees, eight balls will be raised, of which five balls will be left in storage. If the ball storage runways each have a holding capacity for one hundred balls, and the variation in temperature is greater than required, the balls will soon be lifted from the lower to the upper runways. Assuming that on certain days there will be no variation in temperature, and as a result the energy-storing wheel should not revolve, the running of the clock will not be interrupted, for the power transmission wheel will continue revolving, taking its power from the balls in storage.
I wish it understood that I do not confine myself to the precise details of construction and arrangement of parts as herein set forth and described or to the materials specified, as modification and variation may be made without departing from the spirit of the invention as defined by the appended claims.