Allied-Locke "H" Class Transfer Chain is often referred to as "rooftop" or "camelback" chain. It is designed to carry heavily concentrated loads, such as lumber, boxes, barrels and crates. It is usually intended for operation in troughs, in two or more parallel strands, with only the tops of the links protruding.

Dimensions are given in inches.
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Unit of Measure
Items
H78A, H130, H131 Drawing

"H" Class Transfer Chain
H78B. H138 Drawing

"H" Class Transfer Chain
H78A, H130, H131 Drawing

"H" Class Transfer Chain
H78A, H130, H131 Drawing

"H" Class Transfer Chain
H78B. H138 Drawing

"H" Class Transfer Chain
Pitch N/A 2.609 N/A 2.609 N/A 4.000 N/A 4.000 N/A 4.000
Diameter of Pin (Dp) N/A 0.500 N/A 0.500 N/A 0.500 N/A 0.625 N/A 0.500
Height of Sidebar (H) N/A 1.00 N/A 1.00 N/A 1.06 N/A 1.56 N/A 1.06
Diameter of Barrel (Db) N/A 0.88 N/A 0.88 N/A 1.00 N/A 1.25 N/A 1.00
Max. Allowable Sprocket Face (E) N/A 1.12 N/A 1.12 N/A 1.00 N/A 1.62 N/A 1.00
Overall Height (P) N/A 1.69 N/A 1.69 N/A 1.69 N/A 2.25 N/A 1.69
Max. Recommended Working Load N/A 2,820 lb N/A 2,820 lb N/A 2,440 lb N/A 4,700 lb N/A 2,440 lb
Overall Width Riveted (Ar) N/A 3.25 N/A 3.25 N/A 3.25 N/A 4.00 N/A 3.25
End of Pin to Center Line Riveted (Br) N/A 1.62 N/A 1.62 N/A 1.62 N/A 2.06 N/A 1.62
Head of Pin to Center Line (C) N/A 1.56 N/A 1.56 N/A 1.62 N/A 1.94 N/A 1.62
Overall Length of Barrel (E1) N/A 1.88 N/A 1.88 N/A 1.62 N/A 2.50 N/A 1.62
Center of Pin to Top (J) N/A 1.12 N/A 1.12 N/A 1.16 N/A 1.47 N/A 1.16
Width of Top (W) N/A 2.81 N/A 2.81 N/A 2.81 N/A 3.44 N/A 2.81
Style of Top N/A Peaked N/A Flat N/A Peaked N/A Peaked N/A Flat
Links per 10' N/A 46 N/A 46 N/A 30 N/A 30 N/A 30
Weight N/A 5.6 lb/ft N/A 6.1 lb/ft N/A 5.2 lb/ft N/A 8.4 lb/ft N/A 5.8 lb/ft
Avg. Ultimate Strength Load N/A 20,800 lb N/A 20,800 lb N/A 18,200 lb N/A 29,900 lb N/A 19,500 lb
Cast Links N/A Allied-Locke Promal
Pins N/A Carbon Steel, Heat Treated
Note N/A Available in riveted construction only.
Applications Served N/A conveyors forest products material handling stackers