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699,482
shanks secured at their inner ends to the bar 18 and provided at their outer ends with lat- erally-extending engaging heads adapted to project outward beyond the bar and engage 5 the adjacent side edges of the lower sleeve of the casing 13, whereby thehames are securely locked and are effectually prevented f rom be- coming accidentally unfastened through any jar or vibration incident to horse motion or So the like. The heads of the catches are adapt- ed to be readily compressed or forced inward to unfasten the hames. What I claim is- The combination of the haines; the casings
provided with upper and lower sleeves, the 15 upper sleeves of the casings being adjustably secured to the lower ends of the hames, and a bar secured in one-of the lower sleeves of the casings and provided with a pair of op- positely- disposed catches for engaging the 20 other lower sleeve, substantially as described. In testimony that I claim the foregoing as my own I have hereto affixed my signature in the presence of two witnesses. FRANK J. BOYLE. Witnesses: JOHN H. GERNAUD, ARTHUR F. ROACH.