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Lock capping

  • US 4,531,390 A
  • Filed: 03/02/1983
  • Issued: 07/30/1985
  • Est. Priority Date: 03/02/1983
  • Status: Expired due to Term
First Claim
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1. A pin tumbler lock comprisinga lock body having a key plug bore and a plurality of tumbler pin bores extending therefrom,a cap-receiving groove in said body and crossing the outer ends of bores, said groove having undercut sides and overlying side flanges extending toward each other at the sides of the groove, anda cap in said groove having a central portion overlying said pin tumbler bores and having a pair of oppositely extending edge portions, at least one of the edge portions including a side member depending from the central portion to define a distal edge and an offset member extending-outwardly from the distal edge of the side member to engage its companion side flange to retain the cap in place in the groove.

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