New Service Equipment A MODIFIED version of the B.F. rik
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distance bar, as used to steady a vehicle being hauled by a salvage crane, has been introduced by Harvey. Frost, Ltd., Bishop's Stortford.
It is provided with a fink-bar type of chain to accommodate all forms of anchorage. The chain can be hooked up loosely and finally adjusted, to secure a tight grip, by means of a tension bolt.
The double linkage connecting the clamps to the extending arms provides for a universal movement which relieves the arms of bending stresses.
Each arm can be independently adjusted to suit the respective distances between the anchorage .points and the point of attachment of the towing eye. The pin of the towing attachment is self-locking.
The risk of personal injury due to locking rings and flanges flying off a wheel during the inflation of a newly mounted giant tyre, can be removed by using a cage. Barwell Rubber Co., Ltd., Swavesey, Cambridge, have introduced such an accessory,,selling at L12.
The standard model is suitable for tyres up to 14,00-20 in.
A range of welding positioners has recently been introduced by Quasi-Arc, Ltd., Bilston, Staffs. The range includes
• a I-cwt. bench type and 10-cwt. and I-ton floor types.
All models have rotatable turntables which can be tilted through 135 from the horizontal. The frames of the -positioners are of all-welded construction and are designed for rough usage. With their use, welding can be done on the downhand principle.