328 



Models of Machine Elements, Machine Parts and Machines. 





52 382. 1 : 5. 



52383. 1 : .->. 



52 386. 1 : 5. 



52 389. 1 : 5. 



Transmission of Motion by Belt, Cord and Chain. 



52.382. Cord Drive, Figure, with metal pulleys 1. 4. 



52.383. Step Cone Transmission by Belt, for two parallel axes, Figure 3.10.0 



52.384. Cone Pulley Drive with automatically fed belt guide for producing an unsymmetrical 

 rotary motion 10. o. o 



52.385. -- idem, with curvilateral cones for uniformly accelerated motion 14. o. o 



52.386. Belt Gear disengaged by a loose pulley, for two parallel axes, Figure .... 4. o. o 

 .'>.!. 387. Belt Gear for two axes which intersect 6. 5. 



One of the belt pulleys, in addition to rotating about its own axis, can rotate about one which 

 is perpendicular to the same and to the axis of the other pulley. 



52,388. Belt Gear for two axes inclined towards each other, with two belt pulleys lying in one 



plane, one of these being connected with its axes by a Hook joint 7. 10. 



."L'.3SJ. Belt Transmission with two Belt Pulleys with variable angles, F i g u r e, with guide 



pulley 5. 0. 



- 



52,390. Transmission by Cylindrical Spring between two axes in any positions 3.10.0 



.">.!. :>!!. Gall Chain Transmission for two parallel axes, Figure 3. lo. u 



Hoisting and Transporting Machines. 



:.L'..;'.)2. Simple Windlass, of wood o. lo. o 



.V_'.3<3. Simple Windlass, Figure, of metal o. is. o 



For Models of Tackle, *<' No*. .->i.sr>id f. p. 260, 

 51,894 51,899, p. 271, and No. :>n.llii. p. 21. 



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s, 



