Woodworking Safeguards for the Prevention of Accidents in Lumbering and Woodworking Industries (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1913 Excerpt: ...and no pressure apparatus is used, the guide can be built so as to surround the head on three sides, the back part being beveled at an upward slant to allow chips to fly out. To the guide can be fastened, on top, a protection plate which will overreach the saw. This plate can be either of wood or of wire mesh. Feeding Apparatus. For some kinds of work done on a shaper, the Germans often use special feeding (page 112). The spindle is surrounde which is fastened in front the guide Courtesy of Widdicomb Furniture Co. Fig. 172. Home-made Shaper Guard. apparatus, such as is shown in Fig. 170 d on three sides by a wooden frame on (b). To this frame is fastened also a wooden casing (c) working at one side on hinges (rr) and fastened at the other side by a bolt (s). This covers the entire knife head, leaving only enough room in front for the material to pass beneath. The chips are carried off by the slanting roof (d) at the rear. The stock to be worked is set on an iron carriage (f) which slides in an iron channel (e) screwed fast to the table. A press plate (h) holds the stock firmly on the carriage. It is brought into position by a lever (i) which then serves also as a handle for pushing the apparatus and material by the knives. Both press plate and lever are adjustable on a supporting horizontal arm and are carried by a post (l) attached to the carriage. Variety Work. Shapers used for a large variety of work in which no guide can be employed are especially hard to guard. Some of the patented guards are very effective, however, and local ingenuity has devised all sorts of protective arrangements for different kinds of work. Fig. 171 (page 112) shows a home-made type of guard much used in furniture factories in Grand Rapids. Mich. It acts both as hold-down for mat...