Interval timer

Details Interval timer Interval timer

1975-10-31

1977-05-10

Scott, Samuel

Machine element or mechanism

Gearing

Rotary bodies

74568T, F16H 5504

Patent

active

040220753

ABSTRACT:
An interval timer providing a relatively large number of settings between two extreme time intervals wherein two cooperating snail gears drive a drum and a cam, and wherein a partial gear disengages a motor drive means from one of the snail gears to intermittently stop the snail gears' rotation.

REFERENCES:
patent: 1068395 (1918-07-01), Shaumberg
patent: 2261723 (1941-11-01), Hoffman
patent: 2565017 (1951-08-01), Brown
patent: 3568429 (1971-03-01), De Lille
patent: 3590527 (1971-07-01), Niznik
patent: 3610753 (1971-10-01), Neubauer

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