CH536920A - safety lock - Google Patents

safety lock

Info

Publication number
CH536920A
CH536920A CH690272A CH690272A CH536920A CH 536920 A CH536920 A CH 536920A CH 690272 A CH690272 A CH 690272A CH 690272 A CH690272 A CH 690272A CH 536920 A CH536920 A CH 536920A
Authority
CH
Switzerland
Prior art keywords
safety lock
lock
safety
Prior art date
Application number
CH690272A
Other languages
German (de)
Inventor
Shiao-Ming Hsu Sam
Original Assignee
Proof Lock International Inc
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 Proof Lock International Inc filed Critical Proof Lock International Inc
Publication of CH536920A publication Critical patent/CH536920A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/0032—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with both axially and radially arranged tumbler pins or balls
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7446—Multiple keys
    • Y10T70/7452—Selective shutout type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7565—Plural tumbler sets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7729—Permutation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7768—Key-removal preventing
CH690272A 1971-06-21 1972-05-09 safety lock CH536920A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15516271A 1971-06-21 1971-06-21

Publications (1)

Publication Number Publication Date
CH536920A true CH536920A (en) 1973-05-15

Family

ID=22554324

Family Applications (1)

Application Number Title Priority Date Filing Date
CH690272A CH536920A (en) 1971-06-21 1972-05-09 safety lock

Country Status (2)

Country Link
US (1) US3729964A (en)
CH (1) CH536920A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941954A (en) * 1974-09-10 1976-03-02 Wintringham Robert E Magnetic captive key switch lock
US3916657A (en) * 1975-02-11 1975-11-04 Chicago Lock Co Double key axial split-pin tumbler-type lock
US4369642A (en) * 1981-03-25 1983-01-25 Norris Industries, Inc. Detained key assembly
JPS59217879A (en) * 1983-05-21 1984-12-08 タキゲン製造株式会社 Lock apparatus for two-operation-bundle control
US4858456A (en) * 1988-04-06 1989-08-22 Mcgee Sr Rodney M Resettable axial tumbler lock
US5361614A (en) * 1993-04-14 1994-11-08 Steven Elvy Pin-tumbler lock with retained key and method of operation thereof
US5475997A (en) * 1994-07-12 1995-12-19 Chung; Chia-Lieh Lock assembly
WO1997030253A1 (en) * 1996-02-13 1997-08-21 Papaiz Industria E Comercio Ltda. A protection applied to a lock cylinder and key for application thereof
ES2187309B1 (en) * 1999-03-31 2005-06-16 Universidad De Oviedo. CYLINDER FOR LOCK.
US6058750A (en) * 1999-06-11 2000-05-09 Tung Chu International Inc. Lock structure
US20050275535A1 (en) * 2004-06-01 2005-12-15 Hui-Hua Hsieh Lock core with an alarm
TWM259038U (en) * 2004-07-21 2005-03-11 Chuen-Yi Hung Lock with master key
DE102010038105B4 (en) * 2010-10-11 2012-05-24 André Haake Method for coding a lock and blank for carrying out this method
US8474289B2 (en) 2011-11-28 2013-07-02 Southern Company Services, Inc. Locking systems
US9512638B2 (en) * 2014-02-07 2016-12-06 Schlage Lock Company Llc Leaf spring lock cylinder
US10119299B1 (en) * 2017-12-14 2018-11-06 Kun-Yu Wu Pickproof lock

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1092474A (en) * 1912-12-06 1914-04-07 Thomas Carroll Permutation-lock.
US3408841A (en) * 1966-03-08 1968-11-05 Sam Shiao Ming Hsu Safety lock mechanism
US3656328A (en) * 1970-06-03 1972-04-18 Benjamin F Hughes Lock assembly

Also Published As

Publication number Publication date
SU442609A3 (en) 1974-09-05
US3729964A (en) 1973-05-01

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Legal Events

Date Code Title Description
PL Patent ceased