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US 12,187,214 B2Granted
ROPS frame for work vehicle, and work vehicle
AssigneeKubota Corporation
InventorsKohta Nakao, Yuki Monde
Life of this patent
Estimating the term…
Abstract
A ROPS frame for a work vehicle includes: a first pipe having an end; a second pipe having an end facing the end of the first pipe; a plate-shaped first joint coupled to the end of the first pipe and oriented orthogonally to a longitudinal direction of the pipes; a plate-shaped second joint coupled to the end of the second pipe and oriented orthogonally to the longitudinal direction of the pipes, the second joint being placed on the first joint; and a bolt extending through the first and second joints and fastening the first and second joints to each other.
Claims12
A roll-over protective structure (ROPS) frame for a work vehicle, comprising:
- a plurality of pipes comprising:
- a first pipe having an end;
- and
- a second pipe having an end facing the end of the first pipe;
- a plate-shaped first joint and a plate-shaped second joint each placed on an outer surface of the end of the first pipe and on an outer surface of the end of the second pipe and opposite to each other in a cross-sectional view of the pipes;
- a first collar attached to an inner portion of the first pipe which inner portion faces the first joint and to an inner portion of the first pipe which inner portion faces the second joint;
- a second collar attached to an inner portion of the second pipe which inner portion faces the first joint and to an inner portion of the second pipe which inner portion faces the second joint;
- a first bolt extending through the first and second joints and the first collar and fastening the first and second joints toward each other;
- a second bolt extending through the first and second joints and the second collar and fastening the first and second joints toward each other;
- a first frame member oriented in a direction crossing the first and second pipes and having an end facing the respective ends of the first and second pipes;
- and
- a coupling member coupled to the end of the first pipe and the end of the first frame member and coupled to the end of the second pipe and the end of the first frame member.
9 more elements
A roll-over protective structure (ROPS) frame for a work vehicle, comprising:
- a plurality of pipes comprising:
- a first pipe having an end;
- and
- a second pipe having an end facing the end of the first pipe;
- a plate-shaped first joint and a plate-shaped second joint each placed on an outer surface of the end of the first pipe and on an outer surface of the end of the second pipe and opposite to each other in a cross-sectional view of the pipes;
- a first collar attached to an inner portion of the first pipe which inner portion faces the first joint and to an inner portion of the first pipe which inner portion faces the second joint;
- a second collar attached to an inner portion of the second pipe which inner portion faces the first joint and to an inner portion of the second pipe which inner portion faces the second joint;
- a first bolt extending through the first and second joints and the first collar and fastening the first and second joints toward each other;
- a second bolt extending through the first and second joints and the second collar and fastening the first and second joints toward each other;
- and
- a work vehicle,
- wherein the ROPS frame is installed in the work vehicle.
9 more elements
A roll-over protective structure (ROPS) frame for a work vehicle, comprising:
- a plurality of pipes comprising:
- a first pipe having an end;
- and
- a second pipe having an end facing the end of the first pipe;
- a plate-shaped joint with a first portion coupled to an inner surface of the end of the first pipe, and a second portion protruding from the end of the first pipe and disposed inside the end of the second pipe;
- a nut coupled to an inner surface of the second portion of the joint;
- a bolt screwed in the nut from outward of the end of the second pipe and fastening the second pipe and the joint to each other;
- a first frame member oriented in a direction crossing the first and second pipes and having an end facing the respective ends of the first and second pipes;
- and
- a coupling member coupled to the end of the first pipe and the end of the first frame member and coupled to the end of the second pipe and the end of the first frame member.
7 more elements
A roll-over protective structure (ROPS) frame for a work vehicle, comprising:
- a plurality of pipes comprising:
- a first pipe having an end;
- and
- a second pipe having an end facing the end of the first pipe;
- a plate-shaped joint with a first portion coupled to an inner surface of the end of the first pipe, and a second portion protruding from the end of the first pipe and disposed inside the end of the second pipe;
- a nut coupled to an inner surface of the second portion of the joint;
- a bolt screwed in the nut from outward of the end of the second pipe and fastening the second pipe and the joint to each other;
- and
- a work vehicle,
- wherein the ROPS frame is installed in the work vehicle.
7 more elements
Dependencies are inferred from the claim text.