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Everest 29 Patented Key Control
Everest 29 Patented Key
Control
Most building owners have security problems due to the
unauthorized duplication of keys. Schlage Everest 29 keys
are protected by U.S. utility patent 7,665,337 and design
patent D689,759.
Patented undercut groove
The patented undercut groove requires a secondary milling
operation to make the key blank. It is a violation of federal
patent law for anyone other than Schlage to manufacture
and distribute these blanks. By replacing standard cores
with Everest 29 patented key cores, end users can be
assured of a high level of key control.
Key Control Summary
Most Everest 29 R Family restricted keyways are for end
users who do their own key cutting. The keyway is used for
each job is registered to the end user by Schlage. Everest 29
restricted key blanks, cut keys and cores are furnished only
through authorized Schlage distributors and then only when
the end user attaches a letter of authorization to the
purchase order.
Restricted items are shipped directly to the end user or a
location specifically authorized by the end user. Shipping
the order prevents locksmiths and distributors from having
access to keys and cores without the permission of the end
user.
R234 and R235 restricted keyways are for locksmiths and
other security dealers who cut all keys for their end user
customers. Dealers must sign special key control contracts
to handle these keyways.
As a further deterrent to unauthorized key duplication,
Schlage stamps a facility code or locksmith ID number on
all keys and blanks to identify where they originated.
6 • Schlage • SFIC service manual
Lip for patent protection
Non-Patented Cores
To support key systems from other manufacturers, Schlage
offers 6-pin and 7-pin uncombinated cores in the most
popular IC keyways.
A
B
C
D
DD
E
F
G
These keyways are fully compatible and interchangeable
with keyways of the same letter designations from Arrow,
Best and KSP. Schlage and Arrow suffix the keyway letter
with "B", the Best "A" keyway is ordered as "AB".
Schlage also sells nickel silver key blanks with the Best bow
shape for all non-patented core keyways.
Locksets
An array of Schlage deadbolts, mortise locks and key-in-
lever locksets are now available to accept SFIC cores.
Consult Schlage sales literature and your local distributor
for the latest offering of functions and finishes.
Mortise and Rim Cylinders
The Schlage SFIC mortise cylinder cams are easily changed.
H
J
K
L
M
N
Q
R
TB
TD
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