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A cam and peg locking arrangement for tipper tail gates has been developed by J. N. Blair in conjunction with N.C.C.
(Engineers). It incorporates the past-dead-centre action of Blair's Power Brace range of door gear which meets the ISO 7.2 tons end-door-load test for containers.
In an application of the tailgate lock to Crane Fruehauf tipping containers for N.C.C. Plant and Transport welded assemblies of five cams and brackets were supplied by Blair and fitted with N.C.C.'s own design of handle and clutch. The locking gear consists of a series of cams welded to 1 11/32in outside diameter tube and fitted with fabricated brackets welded across the bottom frame member. The cams lock at 20deg over centre against pegs on the tipper gate; lugs on the cams locate against the sides of the pegs to provide resistance to racking or lozenging forces.
Marketed by: J. N. Blair Ltd, Riverside, Market Harborough, Leics.