170 



M \d: M) DESIGN 



i- .mntf and bracket for the Lark long 



he (fig. 148). 



-hu\\n "ii tin- diagram for 



information. Itut it is nt ivquiivd i,. l.r dia\\n m am <>f 

 the views. 



Draw and complete the two views shown. 



Draw also a plan projected from tin- K-ft hand \ , 



Scale f. 



Note. Dotted lines representing hidden parts an- not 

 required t<. In- drawn in either example ; n.r should the 

 figured dimensions be insert rd. 



km^ 



^i MI i _i 



148. 



i, f / 'o be 



The sketches in answer to these questions */<)// / d 



(a.) Sketch an example of the use of a oottec t..^ -ther with a 

 gib, and another example of a cotter without a il.. ind 

 explain the advantage due to the UHe of the <^\\> in the 

 first example. (10.) 



(/.; It is re.juired to i-xtenda length of shafting through a 1-n. k 

 wall, and HUpjM.rt it l.y means of the \\all. With tl, 

 of sketches describe t on of the wall box 



which you would use. The pedestal whi< h . 

 shaft need not be shown. 



(<r.) Describe with a sketch some form ..f automatic lubricator 

 which will give a regular supply of oil to a bearing. 



