MY104342A - A locking mechanism with master key and subordinate key - Google Patents

A locking mechanism with master key and subordinate key

Info

Publication number
MY104342A
MY104342A MYPI88001183A MYPI19881183A MY104342A MY 104342 A MY104342 A MY 104342A MY PI88001183 A MYPI88001183 A MY PI88001183A MY PI19881183 A MYPI19881183 A MY PI19881183A MY 104342 A MY104342 A MY 104342A
Authority
MY
Malaysia
Prior art keywords
key
pins
plug
subordinate
tumbler
Prior art date
Application number
MYPI88001183A
Inventor
Ah Lek@ H'ng Buck Chuan Heng
Original Assignee
Hend Ah Lek @ Hing Buck Chuan
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 Hend Ah Lek @ Hing Buck Chuan filed Critical Hend Ah Lek @ Hing Buck Chuan
Priority to MYPI88001183A priority Critical patent/MY104342A/en
Publication of MY104342A publication Critical patent/MY104342A/en

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  • Lock And Its Accessories (AREA)

Abstract

CONVENTIONAL CYLINDER LOCK (SYSTEM) HAS ONLY ONE ROW OF PUSH DOWN TUMBLER TO INCORPORATE WITH THE KEY END TUMBLER WITHIN A KEY PLUG. UPON THE INSERT OF A PROPER KEY THERE, BETWEEN THE UPPER PINS AND THE LOWER PINS, A DEMARCATION WILL BE FORMED BETWEEN THE KEY PLUG AND THE MAIN BODY. THUS, ENABLE THE KEY PLUG BEING FREE FROM REVOLVING. THIS PRESENT INVENTION, SIMILAR TO THE CONVENTIONAL CYLINDER LOCK, BUT IT HAS AN EXTRA RAW OF PUSHING DOWN TUMBLER (PINS) AND THE ARRANGEMENT OF THIS EXTRA PUSH DOWN TUMBLERS SET HAS A SET OF INTERMEDIATE TUMBLERS (PINS) WHICH IS SIMILAR TO THE ONE FOUND IN A CONVENTIONAL MASTER KEY SYSTEM. THUS THIS PRESENT INVENTION HAS TWO KEYS, A MASTER KEY AS KEY A AND A SUBORDINATE KEY AS KEY B. KEY A CAN OPERATE THE LOCK UNDER ALL CIRCUMSTANCES WHEREAS KEY B CAN ONLY BE IN USE WITH THE EXISTING OF THE INTERMEDIATE TUMBLERS WITHIN THE KEY PLUG. SO IT IS ONLY WHEN KEY A IS PULLED OUT FROM POSITION B THUS CAN SET FOR KEY B TO BE OPERABLE. (FIG. 1)
MYPI88001183A 1988-10-19 1988-10-19 A locking mechanism with master key and subordinate key MY104342A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MYPI88001183A MY104342A (en) 1988-10-19 1988-10-19 A locking mechanism with master key and subordinate key

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MYPI88001183A MY104342A (en) 1988-10-19 1988-10-19 A locking mechanism with master key and subordinate key

Publications (1)

Publication Number Publication Date
MY104342A true MY104342A (en) 1994-03-31

Family

ID=79961396

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI88001183A MY104342A (en) 1988-10-19 1988-10-19 A locking mechanism with master key and subordinate key

Country Status (1)

Country Link
MY (1) MY104342A (en)

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