Browse Prior Art Database

Non Searching One Revolution Clutch

IP.com Disclosure Number: IPCOM000095770D
Original Publication Date: 1964-Jun-01
Included in the Prior Art Database: 2005-Mar-07
Document File: 2 page(s) / 50K

Publishing Venue

IBM

Related People

Reichle, H: AUTHOR

Abstract

Most one revolution clutches upon disengagement have a tendency to search or chatter. This is especially true for a shaft having cams mounted on it that operate with spring-loaded follower arms. These arms in many instances drive the cams to a low position causing the shaft to rotate in a reverse direction until the clutch begins to engage again driving the shaft forward to disengage, thus causing chattering.

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Non Searching One Revolution Clutch

Most one revolution clutches upon disengagement have a tendency to search or chatter. This is especially true for a shaft having cams mounted on it that operate with spring-loaded follower arms. These arms in many instances drive the cams to a low position causing the shaft to rotate in a reverse direction until the clutch begins to engage again driving the shaft forward to disengage, thus causing chattering.

A clutch that prevents such chattering has driver 10, such as a sprocket, pulley, or gear, loosely mounted on shaft 11. Hub 12 of driver 10 has a plurality of notches 14 machined in it. Circular plate 15 pinned to shaft 11 has pawl 16 loosely secured on it, the nose of which engages one of notches 14. The pawl is provided with tail 17. Adjustably secured to disk 15 is stop member 18 having tail
20. Prestressed spring 21, mounted in cavities in the tails 17 and 20, causes pawl 16, when released, to rock counterclockwise. Pivotally mounted on bracket 22 is latch member 23 that is biased upwardly against pin 23 by leaf spring 25. Pin 24 is carried in stop member 26 rotatably mounted in bracket 22. Member 26 is rocked through link 27 actuated by a solenoid or other devices.

When link 27 is drawn down, both latch 23 and stop 26 are rocked, releasing the tails 17 and 20, permitting pawl 16 to rock counterclockwise and engage a notch 14 of hub 12, thus driving shaft 11 through disc 15. Link 27 is immediately released. Latch 23 is...