Description

U9 Cylinder (Rotary Cylinder)

FEATURES

Good for large and Complicated Keying

• With nine tumblers positioned four-deep in nine doublesided
  chambers, this lock boasts 150,994,944 possible
  number of key combination.

Superior Durability

• Cylinder life is extended by the use of phosphor bronze,
  which is extremely wear-resistant.

High Security

• In addition to having ultrasafe rotary tumblers, the U9
  features nine four-deep tumblers, making it extremely
  difficult to pick.

Removable handle

• Model GT61 (62, 612, 61F) ＊-□UH
  (Plate handle type: removable only when the deadbolt is projecting)

  Model GT61 (62, 612, 61F) ＊-□DH
  ( Plate handle type: removable both when the deadbolt is projecting and withdrawing)

  Model GT61 (62, 612, 61F) ＊-□RH
  Please use it if you do not want to put a handle on the outdoor side for the reason of design.
  
  As it is impossible to define the range of door thickness, please provide the exact door thickness.
  Note: Please make a separate order for UH/DH type handle. (Handle parts for DH and UH type is a common product.)
  

Single-Side Handle – Model GT61 (62, 612, 61F) ＊-□H

• When you want a handle only one side of the door, choose this model.
  ・ When ordering, please specify the D dimension (door height) and M dimension (Length from door bottom to handle center). If these dimensions are not specified, 2 rods making for a total length (accounting for all hardware) of L = 1,200mm will be supplied, and we would ask that this measurement be supplied to the door manufacturer as a fixed measurement.
  Upper:L1 = D-M-116.4
  Lower:L2 = M-14.4

AVAILABLE KEYING SYSTEMS

• Master-keying system
• Grand master-keying system
• Great-grand-master-keying system
• Multi-master-keying system
• Common keying system
• Keyed-alike system
• Construction keying system
• Display keying;emergency keying system

PRINCIPLES

1. Locking bar stays in V groove of cylinder body and prevents
   rotation of plug when locked.
2. Tumbler notches line up and give room for in-and-out
   movement of locking bar with change key insertion.Then
   locking bar is retracted by plug rotation according to
   slope-contacts between locking bar and cylinder body.

KEYWAY SHAPE & KEY SHAPE

   
Keyway shape

Key shape

FIG