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.
Type:
Grant
Filed:
October 31, 1975
Date of Patent:
May 10, 1977
Assignee:
P. R. Mallory & Co., Inc.
Inventors:
Maurice E. Schuder, David W. Underwood, Richard H. Weber