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US 4,287,964 AGranted
Timer
AssigneeEmpire of Carolina, Inc.
InventorEdward Sollenberger
Life of this patent
Estimating the term…
Abstract
A timer adapted to toy applications, and in particular for use in conjunction with toy ride-on vehicles is provided. The timer includes a spring-driven mechanical motor manually windable to at least a predetermined time duration state and a manually displaceable mechanical switch for the selective stopping and starting of the mechanical motor for the measurement of elapsed time.
Claims4
A timer comprising:
- a housing, a spring-powered mechanical motor means mounted in said housing, said motor means including spring means and step up gear train means driven by said spring means for advancement during the relaxation of the tension in the spring means, switch means manually manipulatable from outside of said housing, said switch means being displaceable between a first position at which said switch means stops the advancement of said motor driven means and a second position at which said switch means permits said motor to advance, and speed governor means coupled to said gear train means for regulating the speed of rotation of said gear train means, said speed governor means being reciprocally oscillatable along a path by said gear train means, said switch means including a projection displaceable into and out of the path of said governor means when said switch means is displaced from its first toward its second position, said switch projection being formed with camming surfaces for displacing said governor means out of its path during displacement of said switch means from said second to said first position thereof.
Dependencies are inferred from the claim text.