Browse Prior Art Database

Wheel Printer

IP.com Disclosure Number: IPCOM000094094D
Original Publication Date: 1966-May-01
Included in the Prior Art Database: 2005-Mar-06
Document File: 2 page(s) / 43K

Publishing Venue

IBM

Related People

Bostwich, KV: AUTHOR [+2]

Abstract

Print wheels 10 in a printer are driven as shown in A and B. They are loosely mounted on a rotating drive shaft 12. Wheels 10 are driven by permanent magnets 14. These rotate with shaft 12 and drive wheels 10 through magnetic attraction of projecting pole pieces 16. A stop magnet 18 actuates a pawl 20 in proper timed relation to engage and stop its associated wheel 10 when the desired character is in line with the associated print hammer 22. Hammers 22 are fired and pawls 20 are released so that magnets 14 pick up and drive their wheels 10, ready for the next print operation.

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Wheel Printer

Print wheels 10 in a printer are driven as shown in A and B. They are loosely mounted on a rotating drive shaft 12. Wheels 10 are driven by permanent magnets 14. These rotate with shaft 12 and drive wheels 10 through magnetic attraction of projecting pole pieces 16. A stop magnet 18 actuates a pawl 20 in proper timed relation to engage and stop its associated wheel 10 when the desired character is in line with the associated print hammer 22. Hammers 22 are fired and pawls 20 are released so that magnets 14 pick up and drive their wheels 10, ready for the next print operation.

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