Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 984
ustible shoes are Hydraulic Elevators 949 provided, which slide freely against the guides. At thebottom the car is guided by jaws formed in a safety device,or safety as it is termed. It is made of hard wood blocks,the dimensions varying from 4 inches thick by 11 incheswide in the smaller sizes, to… … Fig. 391 the opposite side with another wedge that can be forcedbetween the guide and the jaw to stop the car if one of thelifting ropes breaks, or the car attains an excessive velocityfrom any cause. By reference to Fig. 390, and also to Fig. 391, whichshows one end of the safety device, its…
