Lumber, its manufacture and distribution . h storage for such logs as are normally carried onhand. These skids correspond to the deck in a large sawmill. Thelogs, when brought from the woods, are unloaded directly upon this 1A right-hand sawmill is one in which the head-saw is at the right hand of aperson standing on the log deck, facing the saw. ELEVATION OF LOGS INTO THE MILL 27 deck. Workmen roll them upon the head blocks of the carriage,which are slightly below the level of the top of the deck. The gapbetween the outer end of the head blocks and the deck is spanned byshort movable skids wh
Lumber, its manufacture and distribution . h storage for such logs as are normally carried onhand. These skids correspond to the deck in a large sawmill. Thelogs, when brought from the woods, are unloaded directly upon this 1A right-hand sawmill is one in which the head-saw is at the right hand of aperson standing on the log deck, facing the saw. ELEVATION OF LOGS INTO THE MILL 27 deck. Workmen roll them upon the head blocks of the carriage,which are slightly below the level of the top of the deck. The gapbetween the outer end of the head blocks and the deck is spanned byshort movable skids which prevent the logs from dropping down betweenthe carriage and the deck. Rollway and Buggy.—This type of elevating device is used wherelogs are stored on A narrow-gauge track, having a slight up-grade toward the mill,is laid parallel to the rollway for its entire length. The track fromthe rollways is carried on a trestle up to the level of the sawing floor,on which it is laid parallel to the log deck. A power-driven hoisting. CAR HAUL-UP By permission Hill-Curtis Co. Fig. 12.—Side and Top Elevation of a Car Haul-up used at Plants which have Dry Storage for Logs. drum is placed at the far end of the track and this holds sufficient chainor f-inch wire rope to reach to the far end of the rollway. The logs are loaded on a small four-wheeled truck or buggy,which is pulled into the mill by means of the cable attached to theforward end of the The truck frame is made from heavytimbers with a bunk over each set of wheels. The bunks are spacedabout 8 feet apart and have projecting spikes on their upper face tohold the logs in place. The capacity of a truck is from one to twologs. The deck man pushes the truck out of the mill and as itdescends the incline, the cable is unreeled from the drum. Sufficientmomentum must be acquired to carry the truck to the far end of therollway, the car being stopped by means of a friction brake on the See page 12. 2 See Fig. 1
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1922
