Industrial e-hitch trailer coupler

B - Operations – Transporting – 60 – D

Patent

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Details

B60D 1/28 (2006.01)

Patent

CA 2466016

A hitch coupler (10) including an E-shaped frame (11), a pin (30) and a conical spring (36). The frame (11) includes a back plate (12), a top plate (14), a middle plate (16) and a bottom plate(18). The top (14), middle (16) and the bottom (18) plates include aligned openings. The pin (30) extends through the aligned holes (21, 23, 27) in the top (14), middle (16) and bottom (18) plates, with the pin (30) being configured to slide within the aligned openings (21, 23, 27). The conical spring (36) surrounds and engages the pin (30). The conical spring (36) biases a bottom of the pin (30) through the middle plate (16) and the bottom plate (18). The pin (30) includes a retainer (38) that extends through a slot (37) in the top plate (14) as the pin (30) is pulled against the bias of the spring (36). The retainer (38) abuts against a top of the plate (14) when the retainer (38) is located above the top plate (14). The retainer (38) is located between the pin (30) and the spring (36).

L'invention concerne un coupleur d'attelage (10) comprenant un cadre (11) en forme de E, une tige (30) et un ressort conique (36). Le cadre (11) comprend une plaque arrière (12), une plaque supérieure (14), une plaque intermédiaire (16) et une plaque inférieure (18). Les plaques supérieure (14), intermédiaire (16) et inférieure (18) présentent des ouvertures alignées. La tige (30) s'étend à travers les trous alignés (21, 23, 27) dans les plaques supérieure (14), intermédiaire (16) et inférieure (18), la tige (30) étant configurée de façon à glisser à l'intérieur des ouvertures alignées (21, 23, 27). Le ressort conique (36) entoure la tige (30) et vient en prise avec elle. Le ressort conique (36) sollicite une partie inférieure de la tige (30) à travers la plaque intermédiaire (16) et la plaque inférieure (18). La tige (30) comprend un élément de retenue (38) qui s'étend à travers une rainure (37) située dans la plaque supérieure(14) lorsque la tige (30) est tirée contre la force de sollicitation du ressort (36). L'élément de retenue (38) est en aboutement contre la partie supérieure de la plaque supérieure (14) lorsque l'élément de retenue (38) est placé au-dessus de la plaque supérieure (14). L'élément de retenue (38) est placé entre la tige (30) et le ressort (36).

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