Masonry Magazine August 1999 Page. 22
Packaging, lifting height and capacity were the main concerns in the early days. Prime Mover, Koehring and Whiteman introduced new models that could lift 1,000 pounds to heights of 5, 6, 7½ and then 10% feet. This made it possible for one man to pick up an entire load of brick or block at the storage site, transport it to the point of use, and then place it on the scaffold.
Palletizing and packaging were essential to the success of the Rough Terrain Forklift and they were finally getting off the ground. Farm tractors, logging equipment and other vehicles were being modified and equipped with masts to provide more lifting capacity and greater lifting heights. American Road Equipment Company and American Util-A-Lift produced machines that could lift 2,000 to 3,000 lbs. 18 to 25 ft., while Stan West introduced an arc type forklift which carried the load between the front wheels rather than in front of the machine. On the West Coast, Champ originated a straight mast forklift that could lift 20 feet and was towable. Then along came Lull with a new twist to the arc type loader by adding a feature called "transverse movement" which permitted the load to be advanced about 3 half feet without moving the machine. In spite of all these new exotic ideas Mason Contractors did not immediately rush out and buy them for they were unproven and had a high price tag.
Lifting heights increased from 21 to 24 to 30 feet and by 1961, load carrying capacities were around 4,000 pounds. The next significant advance was made by producing a 4-wheel drive with a torque-converter. Then Lull broke the 30-foot barrier by making a 40-foot machine. In 1962 Stan West again made his mark by introducing the first telescoping boom. Manufacturers now settled down with the
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22 MASONRY- JULY/AUGUST, 1999