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Browse Prior Art Database

Incrementation Mechanism

IP.com Disclosure Number: IPCOM000074619D
Original Publication Date: 1971-May-01
Included in the Prior Art Database: 2005-Feb-23
Document File: 2 page(s) / 50K

Publishing Venue

IBM

Related People

Herring, GD: AUTHOR

Abstract

The mechanism functions to increment an output shaft 10 from a continuously rotating input shaft 12. Shaft 10 may be connected to driving mechanism, such as a rubber covered roll 16, for incrementing document cards 14 along with shaft 10.

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At least one non-text object (such as an image or picture) has been suppressed.
This is the abbreviated version, containing approximately 61% of the total text.

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Incrementation Mechanism

The mechanism functions to increment an output shaft 10 from a continuously rotating input shaft 12. Shaft 10 may be connected to driving mechanism, such as a rubber covered roll 16, for incrementing document cards 14 along with shaft 10.

A rotative force is continuously applied on to shaft 10 from shaft 12 through a slipping clutch assembly 18. Assembly 18 comprises shell 20 fixed to shaft 12, a plurality of bearings 22 disposed on carrier 24 fixed to shaft 10, and ring 26 of elastic material which is fixed on the inside surface of shell 20. The thickness of ring 26 is such that bearings 22 frictionally engage and indent the inner surface of ring 26.

The mechanism also includes an escapement 28. Escapement 28 includes timing pulley 30 fixed on shaft 12, timing pulley 32 fixed on shaft 34, a timing belt 36 passing over pulleys 30 and 32, a cam 38 fixed on shaft 34, an escapement stop plate 40 slotted to receive shafts 10 and 34 and carrying a cam follower 42, a spring 44 holding follower 42 in contact with cam 38, and an escapement disk 46 fixed on shaft 10. Stop plate 40 has ears 48 and 50 extending in the same direction as shaft 10 and adapted to cooperate with teeth 46a through 46f formed on escapement disk 46.

Drive shaft 12 rotates cam 38 through pulley 32 and shaft 34; and, as cam 38 rotates, cam follower 42 together with stop plate 40 move upwardly until upper ear 48 clears tooth 46f, and the lower ear 50 of plate 40 moves into the...