Key having a catch and a replaceable blade, lock, and operating method thereof (variants)
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United States of America Patent
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Dec 12, 2023
Grant Date -
Aug 5, 2021
app pub date -
Apr 15, 2019
filing date -
May 3, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
Proposed is a group of inventions relating to locking mechanisms, containing keys which can be separated into parts and which have catches and a plurality of replaceable blades which fit a plurality of locks, the replaceable blades of the keys of all of said locks attach to the catches of one key part having a bow, thus reducing the weight and overall size of a bunch of keys, allowing a person to carry only one key part having a bow and a plurality of key blades pertaining to different locks, reducing the weight and size of a bunch of keys, and a lock having corresponding mating mechanisms, increasing the security of the locking mechanism. The drawing shows the position of two catches on a key shank, using the example of a key to a pin-tumbler mechanism.
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