Horology: time measuring systems or devices – Regulating means
Patent
1984-09-17
1987-04-14
Roskoski, Bernard
Horology: time measuring systems or devices
Regulating means
368185, 368190, 368 89, G04B 1702
Patent
active
046574077
ABSTRACT:
A clock construction and method for making the same are provided, the clock construction comprising a frame, an interval timer carried by the frame, and a selector shaft rotatably carried by the frame while being axially movable relative thereto and being operatively interconnected to the timer to set the same to a selected time period upon rotation of the selector shaft. The timer has a cam member rotatably disposed on the shaft and has a slot in one side thereof. The shaft has a drive member disposed in the slot to rotate the cam member in unison with rotation of the shaft in any axial position of the shaft. A spring is disposed between the frame and the drive member to tend to maintain the shaft in one axial position thereof. The spring is confined completely within the slot of the cam in all axial positions of the shaft relative to the frame.
Robertshaw Controls Company
Roskoski Bernard
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