. Electric railway journal . ertain what can be doneto improve the rails now purchased. A new nut lock, or more properly a lock washer, has re-cently been placed upon the market by the United LockWasher Company, Springfield, Mass. It is known as theHugtite and is claimed to possess a number of advantagesover other styles of nut lock or washer. As illustrated in the engraving, it consists of a hexag-onal disk of metal from the hole in the center of which aretwo opposite tongues projecting for the purpose of engag-ing the bolt thread. The washer is put on over the end ofthe bolt outside or after


. Electric railway journal . ertain what can be doneto improve the rails now purchased. A new nut lock, or more properly a lock washer, has re-cently been placed upon the market by the United LockWasher Company, Springfield, Mass. It is known as theHugtite and is claimed to possess a number of advantagesover other styles of nut lock or washer. As illustrated in the engraving, it consists of a hexag-onal disk of metal from the hole in the center of which aretwo opposite tongues projecting for the purpose of engag-ing the bolt thread. The washer is put on over the end ofthe bolt outside or after the nut, and not between the nutand bolt seat, as is usually the case. It is then screwed upby hand until it has reached the face of the nut, which isassumed to be first firmly screwed to place. Then a slightturn of the wrench is sufficient to fix or jam the washer toa lock. The rim of the washer is amply sufficient forwrench use, while not as thick as lock nuts now in use. ■wis (liiililiilliij: Electric B>j., Journal,. A New Lock Washer Hence the saving in bolt length by using this washer is ob-vious, a not inconsiderable item for large consumers. The Hugtite is patented and made in all sizes of suitablestock. In tests it has been found to withstand successfullyjars and vibration as well as contraction and expansion. Itis equally well adapted to right or left-hand thread of thesame pitch and diameter. It has been used by the Springfield Street Railway andWorcester Consolidated Street Railway in track work andother service and has also been successfully tested on steamrailroads, autotrucks, drop hammers and machinery subjectto considerable vibration. The manufacturers will make an exhibit at the Denverconvention. IMPROVED RADIAL COUPLER FOR INTERURBAN CARS Since the Janney radial coupler was brought out by theMcConway & Torley Company, two years ago, it has beenapplied to a large number of cars in interurban with the first equipments put in service hass


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