ZA200905451B - Anti-tampering arrangements for pin tumbler cylinder locks - Google Patents

Anti-tampering arrangements for pin tumbler cylinder locks

Info

Publication number
ZA200905451B
ZA200905451B ZA200905451A ZA200905451A ZA200905451B ZA 200905451 B ZA200905451 B ZA 200905451B ZA 200905451 A ZA200905451 A ZA 200905451A ZA 200905451 A ZA200905451 A ZA 200905451A ZA 200905451 B ZA200905451 B ZA 200905451B
Authority
ZA
South Africa
Prior art keywords
pin tumbler
cylinder locks
tumbler cylinder
tampering
arrangements
Prior art date
Application number
ZA200905451A
Inventor
Gary Burmesch
Jesse Marcelle
Glenn P Meekma
Original Assignee
Master Lock Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Master Lock Co filed Critical Master Lock Co
Publication of ZA200905451B publication Critical patent/ZA200905451B/en

Links

ZA200905451A 2007-02-23 2009-08-04 Anti-tampering arrangements for pin tumbler cylinder locks ZA200905451B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US90311207P 2007-02-23 2007-02-23

Publications (1)

Publication Number Publication Date
ZA200905451B true ZA200905451B (en) 2010-05-26

Family

ID=39954537

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200905451A ZA200905451B (en) 2007-02-23 2009-08-04 Anti-tampering arrangements for pin tumbler cylinder locks

Country Status (2)

Country Link
CN (2) CN101250958B (en)
ZA (1) ZA200905451B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102995969B (en) * 2011-09-09 2015-01-14 安得烈股份有限公司 Anti-picking anti-knocking high-safety lock cylinder structure

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2059129A (en) * 1933-04-22 1936-10-27 Yale & Towne Mfg Co Lock
US3656328A (en) * 1970-06-03 1972-04-18 Benjamin F Hughes Lock assembly
US4094175A (en) * 1976-12-20 1978-06-13 Julius Pechner Internal tumbler lock key change system
US4341102A (en) * 1978-06-26 1982-07-27 Ku Chung C Construction for a cylinder lock and key
US5070715A (en) * 1991-01-28 1991-12-10 Schlage Lock Company Interchangeable lock core cylinder
EP1244862A1 (en) * 1999-12-27 2002-10-02 Henrik Dirk Stemmerik Burglar-proof cylinder lock

Also Published As

Publication number Publication date
CN101250958A (en) 2008-08-27
CN101636546B (en) 2013-05-08
CN101250958B (en) 2012-04-25
CN101636546A (en) 2010-01-27

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