. The universal assistant, and complete mechanic : containing over one million industrial facts, calculations, receipts, processes, trade secrets, rules, business forms, legal items, etc., in every occupation, from the household to the manufactory. 10. Fast and loose pulley. 11. S!idin,<r gear, the journal boxes of one•f tlie wheels being movable. 12. Fnetion clutch. By tightening or re-leasing a steel baud, encircling a pulley on the shaft, the machinery isthrown in or out of gear. 13. 14. Shoe and lever brakes. 15. 1(3. Change-of motion by sheaves. 17. Spiral flanged shaft. 18. Connected
. The universal assistant, and complete mechanic : containing over one million industrial facts, calculations, receipts, processes, trade secrets, rules, business forms, legal items, etc., in every occupation, from the household to the manufactory. 10. Fast and loose pulley. 11. S!idin,<r gear, the journal boxes of one•f tlie wheels being movable. 12. Fnetion clutch. By tightening or re-leasing a steel baud, encircling a pulley on the shaft, the machinery isthrown in or out of gear. 13. 14. Shoe and lever brakes. 15. 1(3. Change-of motion by sheaves. 17. Spiral flanged shaft. 18. Connected witli thexod are pawl links, catching into fatohet-teeth in the wheel to whiclirotary motion is to be imparted. When the rod moves in one direction,cue of tlie pawls acts •, and when the rod moves in the opposite directioOr 676 MECHANTCAL MOVEMENTS. the other pawl acts in the same direction as the first 19. The recipro*eating motion of a rod is converted into rotary motion of the fly-wheel bya weight suspended from a cord, which passes over a small pullev thaiconnects witli a treadle, from which the motion is transmitted to the flj*wheeL. 20. Flying horse, nsed in fairs for amusement. BypnUing th«cords radiating from the crank, the persons occupying the seats or horses♦>n the ends of tne arms are enabled to keep the apparatus in motion. 21. 22. Bow-string arrangements to connect reciprocating into rotary motion. 23. Same purpose by differential screw. 24. The same bv double rackand wheels. 25. Coupling for square shafts. 26. Side view of Fig. Slidiug-spur pullev coupling. 28. Lever with bearing roller t*tighten pulley bands. 29. Chain wheeL MECTEANICAL MOVEMENTS. 677 30. Reciprocating rectilinear into reciprocating rotarr motion by twofacks and cog-wheel. 31. Oblique-toothed wheels, 32. Worm and worm-wheel. 33. St. Chiw coupling with hinged lever. 35. C6. Dick couplings,•with lugs and cavities. 37. Disk coupling with screw bolts. 38. ^40. Shaft couplings.
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Keywords: ., bookcentury1800, bookdecade1870, booksubje, booksubjecttechnology
