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Adjustable deadlatch

  • US 4,759,576 A
  • Filed: 07/11/1986
  • Issued: 07/26/1988
  • Est. Priority Date: 07/11/1986
  • Status: Expired due to Fees
First Claim
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1. An adjustable deadlatch for a lockset for adjusting to either of two backset positions for a lockset, includinga first cylindrical member having a first particular diameter,a second cylindrical member having a second diameter larger than the first diameter and with the first and second cylindrical members located in a telescopic arrangement for providing a telescopic adjustment between the cylindrical members,detent means interconnected between the first and second cylindrical members and having two longitudinal detent positions corresponding to the two backset positions for locking the cylindrical members together in two detent positions,a deadbolt located within the first cylindrical member and including a longitudinal opening in the deadbolt,an actuating member including a longitudinal portion located within the longitudinal opening in the deadbolt,the longitudinal portion of the actuating member including a longitudinal slot having a length corresponding to the distance between the two backset positions and additionally including a pin member passing through the deadbolt and with an inner end of the pin member located in and guided by the slot, andthe telescopic adjustment of the cylindrical members between the two detent positions providing for an adjustment of the pin in the slot corresponding to the two backset positions.

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