194 MANUAL OF PACK TEANSPOKTATION. 



On the first and third distance rods provide an offset of three-fourths 

 of an inch deep, length of offset to be 10 inches. 



The second distance rod to be straight along its length. 



Supports (4). — Cut a section of Norway flat iron 13f inches long, 

 three-fourths of an iuch wide and one-fourth of an inch thick. 

 Provide an eye on each end of supports large enough to take one-half 

 inch iron rod. 



Legs (4). — To be of similar material, 16 J inches long, provided with 

 eye on each end in similar manner. 



In assembling legs to second distance rod leave a space of 15J 

 inches from outside to outside, measuring distance from center of rod 

 each way ; now provide a three-sixteenths of an inch hole through legs 

 and rod, and rivet down. 



In assembling supports to second distance rod, engage the eyes of 

 supports over each end of rod and leave a distance of 19i inches from 

 inside to inside between supports, counting from center of rod each 

 way. Now form a head on each end of rod one-fourth of an inch 

 wide outside of head to be flush with eye of support. 



In assembling the first distance rod to opposite end of supports 

 introduce through eyes of supports, leaving a distance of 19J inches 

 from inside to inside between supports, counting from center of rod 

 both ways, and weld the eye of supports to distance rods. Now cut 

 off whatever portion may remain on the outside and smooth down. 



In assembling the third distance rod to the eye on opposite end of 

 legs introduce rod through eye on legs and leave a distance of 1 Qj inches 

 from inside to inside between legs, counting from center of rod both 

 ways, and rivet down in similar manner as at opposite end of legs. 

 Now form a head on each end of rod one-fourth of an inch wide, out- 

 side of head to be flush with eye of support. 



Center plates for distance rods {2). — To be of similar material as 

 provided for side plates and to be 11 inches long. Form an eye on 

 each end of plate, diameter of eye to be one-half of an inch; center 

 plate to be engaged on first and second distance rods and center 

 thereof. 



Locks or holdfasts (4). — To be made of similar material as that 

 provided for supports and legs, to be cut 1 1 inches long. 



At one end and one-half of an inch therefrom provide a slot or 

 opening whose length will be 1 J inches long and five-sixteenths of an 

 inch wide; this to receive bolt for securing lock to legs of platform. 



Now measure 6 inches from this end, turning section to an angle of 

 45°. Three inches from base of angle turn the remaining portion 

 at right angles ; diameter or distance from the under side of the right 

 angled portion to base line of lock held horizontally to be 2 J inches. 

 The portion turned at right angles or end of lock to be rounded; 

 length to be not more than 1^ inches. 



For each lock a 1-inch bolt, holding a wing nut, wUl be provided. 



On each leg, counting 2\ inches from eye of leg on second distance 

 rod a J-inch hole will be provided at center of leg ; punch this hole 

 square by metal punch. 



Introduce a 1-inch bolt from outside of leg, and lay on to bolt the 

 lock or holdfast as provided by slot or opening, and screw down with 

 wing nut. 



Locks to be right and left. 



These locks or holdfasts engage into opening as provided on hook 

 plates, as formed by the lapping of hook plates on side plates. 



