Key retainer

Key retainer

that retains one key (Key A) while the second key (Key B) is used for authorized purposes. When the key in use (Key B) is returned into the key retainer, the key held captive (Key A) is turned and then can be released. Now, the special key, perhaps top master (Key B) is held captive again. The key retainer is an excellent method for providing visual key control.

Applications

These include Janitorial/Custodial, Irregular Users, Guests and other authouized users that require access. The KRD acts as a "mechanical sign-out sheet" for desk and cabinet keys, carpools, evidence and gun lockers, hospital narcotics carts and storage cabinets. It is an excellent "tool" in a company's key control arsenal - a simple solution to complicated problems that is often ignored. The KRD provides an easy way to establish accountability and eliminate human mistakes by physically controlling the desired locking sequence or procedure(s) and it drastically reduces the risk exposure to higher level keys (Grand Master, Master and Controls) by requiring them to remain on-site. The actual keys are "buried" in the core for additional security. The cores are spaced and oriented to allow for large bow keys and key rings with I.D. tags attached.

Operation

One key (High Level/Special) is retained in a core (at 1/4 turn) until another "release" key is inserted in the other core and rotated 90° (1/4 turn). Then the "retained" key can be removed for use while the "release" key is held (trapped) for visual accountability purposes. This cycle is repeated in reverse when the normally "retained" key is returned and the "release" key is removed "retrieved" by the authorized user. A very simple "put and take" system.

Key retainers are manufactured to accept cores/keys from a wide variety of manufacturers and formats. Small format interchangeable core models are compatible with keying systems manufactured by: BEST, Arrow, Falcon, Schlage, InstaKey, KSP, Lori, Kaba-Ilco, Ultra Security, Medeco KeyMark, Yale KeyMark, Scorpion, MBS, KSP, Marks and GMS. Large format interchangeable core models accept cores/keys from: Yale, CorbinRusswin, Medeco, Schlage, Sargent and ASSA. ICLS is the leader in sales for all types of key retainer devices.

ee also

*interchangeable core
*interchangeable core lock cylinder

References

"Small Format Interchangeable Cores: Advanced" ©2005 by William M. Lynk; Published by The National Publishing Company, Chicago, Illinois; pp. 212-214. Possible /self promotion.


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