Rotary coupler

Details Rotary coupler Rotary coupler

1977-03-18

1978-06-06

Blix, Trygve M.

Railway draft appliances

Cushioned

Drawbars

B61G 138

Patent

active

040930793

ABSTRACT:
Rotary coupler for a railway car wherein a laterally extending cylindrical member with annular bosses is attached to the coupler butt and is received by the shank which has corresponding annular grooves and which is attached to the coupler head, to allow rotation of the cylindrical member within the shank while providing adequate strength and bearing.

REFERENCES:
patent: 295482 (1884-03-01), Browning
patent: 913056 (1909-02-01), Rounds
patent: 2727635 (1955-12-01), Blattner
patent: 3589529 (1971-06-01), Altherr

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