Knurled Driver range of pantograph wiper arms forms part of a family of new
arms produced by Matador which include 12 DIN, 16 DIN and Square Drive configurations
as related on separate data sheets. In this case the pantograph wiper arms will
directly interchange with those currently used in railway applications and can
be supplied with bridge widths of 44, 50 and 60mm and various blade clip widths
including 10.8 and 13.6mm amongst others.
A major advantage with these new types of arms is that they incorporate an
integral anti-lift off device that prevents the wiper arm and blade being
lifted off the screen during high-speed operation or turbulent air flow conditions.
Such anti-lift off devices have previously been fitted as an expensive accessory
whereas the integral version is available at no extra cost when compared to
the earlier standards of wiper arms. The wiper arms are finished in a semi-matt
black colour process achieved by the electro-phoretic paint deposition process
coupled with a further protective surface that prevents discolouration by
Point for 3-hole Jet
testing has been carried out on accelerated life test rigs giving rise to exceptional
durability standards that satisfies all known OEM specifications. These tests
have further been supported by practical trials on high and medium speed trains
over periods of 6-12 months where corresponding results have also been achieved.
the effect of the anti-lift device and the simple method of disengagement