Shaft coupler

Details Shaft coupler Shaft coupler

1983-09-01

1984-11-06

Swiatek, Robert P.

Harness for working animal

Attaching and detaching devices

54 2, 278118, B68B 508, B62C 500

Patent

active

044804288

ABSTRACT:
This invention consists of a coupling device by means of which the shafts of a sulky used in harness horse racing can be quickly and easily attached to or detached from the harness of the horse. It consists primarily of a metal framework, which is part of the harness, into which is inserted the end of each shaft wherein it is held by a spring loaded pin which passes through the framework and the free end of the shaft. The shaft is released simply by pulling the pin out of the shaft end; when released, the pin returns to the locking position until it is pulled up again to reinsert the shaft.

REFERENCES:
patent: 306750 (1884-10-01), Hill
patent: 385490 (1888-07-01), Walker
patent: 451381 (1891-04-01), Hutchinson
patent: 455203 (1891-06-01), Hardy
patent: 483059 (1892-09-01), Hays
patent: 3144741 (1964-08-01), Andersson

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