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Browse Prior Art Database

Fine Pitch Detent

IP.com Disclosure Number: IPCOM000097393D
Original Publication Date: 1962-Nov-01
Included in the Prior Art Database: 2005-Mar-07
Document File: 2 page(s) / 21K

Publishing Venue

IBM

Related People

Ho, BL: AUTHOR

Abstract

The two-stage detent includes detented member 10 having a row of fine pitch teeth 11 which engage matching fine pitch teeth 12 on block 13. Member 13 is coupled to detent rod 14 through resilient spring member 16. Member 13 has a single tooth detent 17 which engages the tip of detent rod 14.

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Fine Pitch Detent

The two-stage detent includes detented member 10 having a row of fine pitch teeth 11 which engage matching fine pitch teeth 12 on block 13. Member 13 is coupled to detent rod 14 through resilient spring member 16. Member 13 has a single tooth detent 17 which engages the tip of detent rod 14.

In operation, detent rod 14 is moved to resiliently drive member 13 and fine pitch teeth 12 into engagement with teeth 11 on member 10. Spring 16 cushions the shock of engagement of teeth 11 and 12. After resilient engagement of teeth 11 and 12, single detent rod 14 firmly engages detent 17 to provide the force for final positioning. By utilizing this two-stage detent, the advantages of fine increments of detenting are obtained. Shock and wear usually associated with fine pitch detents are eliminated.

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