Lumber, its manufacture and distribution . Fig. 40.—A Head Block for a PacificCoast Sawmill Carriage. A. HookDog. B. Spud Dog. C. ExtensionHook. D. Roller on Top of theCarriage Knee. 62 SAWMILL EQUIPMENT upper end of the pin being fastened to a casting 7, which is bolted tothe carriage frame. A collar, rigidly attached to the axle, is placedon either side of the loose collar. When the carriage gigs back the slideA drags on the rail, which forces the shaft C toward the forward endof the carriage, which in turn causes the lever arms E and F to assumethe position shown in Fig. 41. This forces the
Lumber, its manufacture and distribution . Fig. 40.—A Head Block for a PacificCoast Sawmill Carriage. A. HookDog. B. Spud Dog. C. ExtensionHook. D. Roller on Top of theCarriage Knee. 62 SAWMILL EQUIPMENT upper end of the pin being fastened to a casting 7, which is bolted tothe carriage frame. A collar, rigidly attached to the axle, is placedon either side of the loose collar. When the carriage gigs back the slideA drags on the rail, which forces the shaft C toward the forward endof the carriage, which in turn causes the lever arms E and F to assumethe position shown in Fig. 41. This forces the pin on the lever armsagainst one side of the loose collar and shunts the carriage on its axlesaway from the saw line. Reversing the direction of the carriage causesthe lever arms E and F to straighten out and shunts the carriage over. & . J.
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1922
