. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. k-brake shoe. 430-speed. ELECTRO-MAGNETIC CLUTCH. Reverse changeA is the motor, of which the armature shaft is extended at both ends to receive pinions B and B drives gear D, andpinion C drives gear E throughidler F. B is smaller than C,and D is larger than E
. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. k-brake shoe. 430-speed. ELECTRO-MAGNETIC CLUTCH. Reverse changeA is the motor, of which the armature shaft is extended at both ends to receive pinions B and B drives gear D, andpinion C drives gear E throughidler F. B is smaller than C,and D is larger than E. It fol-lows that gear D runs slower thangear E, and in the opposite direc-tion. Both gears D and E runloose on shaft G, and each of themis keyed or bolted to a part H or Iof the magnetic clutch, which parts are iron-clad electro-magnets thatcan be energized or de-energized at will. J is the armature or keeper,which is keyed to shaft G, but can slide over it. If I is energized, J is at-tracted toward it and is compelled to revolve with gear D, thus givingthe driving shaft a slow motion. If H is energized, J is attracted towardit and follows the motion of gear E, thus giving the driving shaft a fastmotion in the opposite direction. The shifting mechanism is so arrangedthat only one electro-magnet is in action at one 431. ELECTRO-MAGNETIC CLUTCH. The figure shows amagnetic clutch with its armature and shaft in cross section. A and A are the magnets, each pro-B. ^ n vided with a brass bush coil of wire C is placedin an annular groove in themagnet, and held in positionby a ring of lead D calkedinto a recess of the extension E of the magnet is turned down so as to make agear fit, and a further extension F takes the collector rings G. As willbe seen, there are two collector rings for each magnet: one for leadingthe current into the coil, and one for the return. H, armature keyed toslide on shaft and may have a belt pulley.
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Keywords: ., bookauthorhiscoxga, bookcentury1900, bookdecade1910, bookyear1910
