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Intermittent Drive

IP.com Disclosure Number: IPCOM000098020D
Original Publication Date: 1961-Dec-01
Included in the Prior Art Database: 2005-Mar-07
Document File: 2 page(s) / 37K

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A gearing arrangement is provided for obtaining an intermittent drive.

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Intermittent Drive

A gearing arrangement is provided for obtaining an intermittent drive.

Gear 1 is driven at constant speed but is shafted eccentrically so that gear 2 does not have constant speed rotation. Alternately, gears 1 and 2 may be non- circular. Gear 2 is coupled to the output gear 3 by a rigid shaft 4. Gear 2 is driven at or near a speed corresponding to the first natural frequency of the gear 3 - shaft 4 system, and the resulting output motion of gear 3 is intermittent.

On the graph of amplitude vs. time, the period of the motion is labeled T. The motions of the three gears are represented by the curves theta1, theta2 and theta3 respectively. Over a time interval delta t, the amplitude of the output gear changes only by delta theta3, which may be controlled by the proper damping and driving frequency.


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