Portable legs for demountable containers
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DECENT applications of the jacking legs produced by A. C. Penman Ltd., Dumfries, Scotland, to demountable-bodied vehicles include the use of three Penman leg-elevated containers in conjunction with two Bedford 5-ton chassis/cabs by SEB Upholstery (Portsmouth) 1950 Ltd., Portsmouth, and an experimental application of a prototype demountable container by W. Symington and Co. Ltd., Market Harborough. In both cases, sets of four Penman manually operated portable legs of the screw type are employed and the containers are based on a timber frame with light-alloy panelling and a sub-frame of square section steel tubes, sockets in which provide for insertion of the legs.
The SEB containers comprise three 21 ft. 3 in. by 8 ft. 2+ in. by 9 ft. 6 in. units with 5 ft. 4 in. Luton extensions which are used for temporary storage at the company's depot.
Several leg sets are employed but the legs are not carried on the vehicle. In addition to reducing licensing costs the legs enable a demountable
system to he employed without loss of payload. A set of four legs weighs approximately 31/4 cwt.
In the case of the Symington application, the body is a 17 ft. 8 in. by 7 ft. 9+ in. by 8 ft. 3 in. container and is loaded with foodstuffs. In both applications the containers enable loading to be performed over an extended period without immobilizing the motive unit.