Spring Shackles In Rubber

A RUBBER unit that replaces the con ventional shackle in a suspension system is shown in patent No. 882,954. The unit is free from all wear and requires no lubrication. (Cranes......

Keeping Valve Springs Cool

To MINIMIZE the heat reaching the valve springs is , the object of an arrangement shown in patent No. 882,050. Air is circulated through the valve chamber and the springs have......

Solid-body Spring

F OR HEAVY-DUTY springs it been proposed to use the slight compressibility possessed by liquids, but the chief disadvantage of this scheme is its Sensitiveness to temperature......

Lubricating Injection Pumps

j , k CONTROLLED system for lubri1— k eating the camshaft and other parts of a fuel-injection pump with leakage fuel is shown in patent No. 881,546. (Simms Motor Units, Ltd.,......