Installation and Operating Instruction
for Irreversible Locks IR
E 08.671e
Issue: 29.04.2013
Version : 2
drawn: Su
checked: AB
Pages: 6
Page: 3
1. General introduction
Irreversible Locks IR are bidirectional acting roller freewheels with bearing support.
The Irreversible Locks IR are used as:
Bidirrectional acting backstops
Caution!
As Freewheels can be used as safety components, it is important to observe these
installation and operating instructions carefully.
2. Design
Fig. [1]
The Irreversible Locks are configured shown in Fig. [1].
The essential functional components are the centre body (1), the housing (2), the drive studs (4),
the locking rollers (5), the engaging spring (6), and the actuating pegs (3) in the driving part of
the customer.
