Chain coupling or locking link

Details Chain coupling or locking link Chain coupling or locking link

1982-02-12

1983-12-06

Crosby, Gene

Chain, staple, and horseshoe making

Chains

Links

F16G 1504

Patent

active

044185260

ABSTRACT:
A chain coupler link or a chain lock made preferably of round steel is assembled of two complementary J- or U-shaped link halves each having two arms of different lengths. The ends of respective arms are formed with interlockable tongue-and-groove joints and the facing wall portions of the longer arms are formed with arresting grooves directed transversely to the center plane of symmetry of the link. An arresting nose piece is insertable between the wall portions so that the projecting noses engage with respective arresting recesses. A sloping bore passes through the link halves and through the arresting piece to receive a safety pin. To ensure an unobstructed insertion of the safety pin into the sloping bore, the noses and the corresponding arresting recesses have different cross sections, so that the arresting pin is insertable between the link halves in a single orientation only.

REFERENCES:
patent: 859082 (1907-07-01), Kenter

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