Land vehicles – Wheeled – Articulated vehicle
Patent
1993-07-20
1994-10-18
Focarino, Margaret A.
Land vehicles
Wheeled
Articulated vehicle
280433, 280901, B60D 101, B60D 148
Patent
active
053561678
ABSTRACT:
A trailer hitch includes a support structure having spaced end mounting brackets and a U-shaped cross member pivotally mounted to, and suspended between, the mounting brackets. The U-shaped cross member pivots about a first axis. The trailer hitch also includes a coupling subassembly pivotally mounted to a mid-section of the U-shaped cross member to pivot about a second axis that is substantially perpendicular to the first axis.
REFERENCES:
patent: 974877 (1910-11-01), Greene
patent: 2618488 (1952-11-01), Ketel
patent: 2648544 (1953-08-01), Kayler
patent: 3164398 (1965-01-01), Lugash
patent: 3164399 (1965-01-01), Lugash
patent: 3390896 (1968-07-01), Philapy
patent: 3392992 (1968-07-01), Baker et al.
patent: 3811706 (1974-05-01), Tucker et al.
patent: 3843161 (1974-10-01), Hastings
patent: 3874702 (1975-04-01), Hall
patent: 3893711 (1975-07-01), Goodwin
patent: 4017095 (1977-04-01), Best
patent: 4327934 (1982-05-01), Karnes
patent: 4721323 (1988-01-01), Czuk et al.
patent: 4824134 (1989-04-01), Harris
patent: 4960288 (1990-10-01), Chambers
Super 5th brochure.
Excerpts showing misc. Fifth Wheel Hitches.
Hall Arthur E.
Hall Arthur T.
Focarino Margaret A.
Hurley Kevin
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