. 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. 41. Face -new of Fig. 12. 42. Friction cones. 43. Friction pnlioTB. 44. Self-releasuig coupUng. DL^ks with oblique teeih. If the resist&jcato the driven shaft increases bevond a certain point, the disks separate. 45. blocks. 46. crauk, for changing motion. 47. Re-aprocating into rotary motion bv zigzag groove on cvlinder. 48. An-othe


. 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. 41. Face -new of Fig. 12. 42. Friction cones. 43. Friction pnlioTB. 44. Self-releasuig coupUng. DL^ks with oblique teeih. If the resist&jcato the driven shaft increases bevond a certain point, the disks separate. 45. blocks. 46. crauk, for changing motion. 47. Re-aprocating into rotary motion bv zigzag groove on cvlinder. 48. An-other form of Fig. 29. 49. Reciprocating into a rotary motion. 50. Same purpoise. 51. Same purpo!<e, bv double rack and two•* ^lons. YThen the double rack moves in one direction, oi^ $78 MECHANICAL MOVEMENTS. pinion is rigid with the shaft: ■when the rack moves in the opposit*direction, the other pinion is rij^id, and a continuous rotary motion isimparted to the fly-wheel shaft. 52. Reciprocating into cscillaiing. into reciprocating. By the action of the wheel-pins the carriag* w. is mored in one direction, and by the action of said pins on an elbow-lerer, it is moved in the opposite direction. 54. Scamp rod and liftingcam. 55. For gi%ing reciprocating motion to rack. 5i>. Same motionto a bar with slot, by means of an eccentric pin, projecting from a r»-Toh-ing disk, and catching in the slot 57. Walking-beam and fly-wheeL68. Reciprocating motion to pump or other rod bv means of eccentric disk«ad friction rollers. See 81 and 104. 5J. Hoisting crane. MECHANICAL 679 60. Friction gears. See 43. Gl. Rotary into reciprocatinsx by rising•nd falling pinion acting on endless rack. C2. By the revolving cam, arising and falling or a reciprocating rectilinear motion is imjoarted to admm. G3. Reciprocatbig motion to a frame bv means of endless rack•nd pixiion. ^. Reciprocating rectilinear motion to a tootlied rack by a


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Keywords: ., bookcentury1800, bookdecade1870, booksubje, booksubjecttechnology