The Maxcess Evaluation Kit gives locksmiths a free 30-day trial of everything necessary to develop proficiency with the Maxcess/CorKey mechanical magnetic lock. This kit from Maxcess Card Systems includes three code modules, 20 blank magnetic cards, blank and pre-punched code templates, three adaptor kits (to convert the code modules to operate various types of lock devices) and coding equipment, along with instruction manuals and two explanatory DVDs.
Maxcess Card Systems is the locksmith version of CorKey Control System’s products. Maxcess is sold to locksmiths as uncoded modules. The CorKey Systems are complete master-keyed projects and have been in use since the 1970s as written about in the Locksmith Ledger.
The Maxcess system is a mechanical magnetic card lock mechanism that uses specialized Maxcards, stainless steel-encased magnetic cards, coded to operate the Maxcess code modules without the need for batteries or wiring to a power supply.
Each 2-1/2” long by 1-1/2” wide Maxcard has a reinforced hole to accommodate a key ring. The Maxcards provide key control as these cards are only available to authorized dealers. Maxcess cards resist de-magnetization by external fields, yet can be erased and recoded as required. Maxcess Card Systems guarantees coded cards will accept and retain coding for 10 years.
Note: Maxcards can be personalized to indicate the locksmith shop, end user, etc., using specialized labels. Contact Maxcess Card Systems for more information.
The Maxcess Card Systems lock mechanism (see drawing) is contained within an approximately 2-1/4” diameter by 3/4” wide die cast housing (CK101A) that has two holes within the face.
The main internal parts consist of a spring biased protective magnetic steel shield plate (CK803) and non-magnetic steel cover plate (CK804) between which the Maxcard (not shown) is inserted. Adjacent to the cover plate are two non-magnetic lock plates with a pattern of holes (CK 805) and the core (CK136). The core contains an array of blind holes or wells in the same pattern as the lock plates. Some of these holes are loaded with strategically placed magnetic pin tumblers (CK107) positioned according to polarity. They are all attracted by the shield plate into the holes in the fixed lock plates and so lock the core against movement. Due to the cover plate, the pins cannot enter the card slot area.
When a properly coded Maxcard is inserted into the code module, the card reaches the first stop position at the bottom of the core. There, the magnetic “spots” impressed onto the card are aligned with the magnetic pin tumblers in the core. The magnetic strength of the “spots” is sufficient to move the magnetic pins out of the fixed lock plate holes to the unlocked position fully in the core holes. This creates a single shear line between the core and the locking plates. The core is released and the card can be further inserted, pushing the unlocked core to the operating position. There the attached locking mechanism can be operated by various connection means to the unlocked core. When no card or an incorrectly coded card is inserted into the code module, one or more of the magnetic pins remain in the locked position, preventing movement of the core and unlocking of the mechanism.
To resist rapping, all Maxcess core modules have locations for anti-rap magnetic pins. One area is on the opposite side of the core where a pin will extend out of its core hole to above a ledge on the fixed rear plate (CK810) if the housing is rapped. If the core is then able to be moved by an inserted card, the pin jams on the ledge and prevents further core movement. For additional optional protection against rapping, Maxcess developed the patented RIMAGNET. Within the special CMR-1 code modules is a brass sleeved magnet (CK107AR) located in one of the rotatable discs (CK151B). This pin is normally in a locking plate hole and, when rapped, can become jammed there and prevent unlocking of the core.
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