# US 2026/0084501 A1 · Vehicle body structure

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- Number: US 2026/0084501 A1
- Document ID: US20260084501A1
- Status: Published application
- Kind: A1
- Application number: 19/319,728
- Filed: 2025-09-05
- Published: 2026-03-26
- Earliest claimed: 2024-09-25
- Assignees: Toyota Jidosha Kabushiki Kaisha
- Applicants: Toyota Jidosha Kabushiki Kaisha
- Inventors: Tatsuya SHIMIZU
- Web page: https://patentgrep.com/patent/US20260084501A1

## CPC

- B60J 5/10: arranged at the vehicle rear (B60J5/04 takes precedence {; bonnets or lids B62D25/10; tail gates for pick-up trucks B62D33/0273; counterbalancing E05F; springs, e.g. pneumatic F16F})
- B60J 5/101: {for non-load transporting vehicles, i.e. family cars including vans}
- B62D 29/043: {Superstructures (B62D25/161 takes precedence)}
- B60J: WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES (fastening, suspending, closing, or opening of such devices E05)
- B62D: MOTOR VEHICLES; TRAILERS (steering, or guiding on a desired track, of agricultural machines or implements A01B69/00; wheels, castors, axles, increasing wheel adhesion B60B; vehicle tyres, tyre inflation or tyre changing B60C; connections between vehicles of a train or the like B60D; vehicles for use on rail and road, amphibious or convertible vehicles B60F; suspension arrangements B60G; heating, cooling, ventilating or other air treating devices B60H; windows, windscreens, non-fixed roofs, doors or similar devices, protective coverings for vehicles not in use B60J; propulsion plant arrangements, auxiliary drives, transmissions, controls, instrumentation or dashboards B60K; electric equipment or propulsion of electrically-propelled vehicles B60L; power supply for electrically-propelled vehicles B60M; passenger accommodation not otherwise provided for B60N; adaptations for load transportation or to carry special loads or objects B60P; arrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general B60Q; vehicles, vehicle fittings or vehicle parts not otherwise provided for B60R; servicing, cleaning, repairing, supporting, lifting, or manoeuvring, not otherwise provided for, B60S; brake arrangements, brake control systems or parts thereof B60T; air-cushion vehicles B60V; motor-cycles, accessories therefor B62J, B62K; testing of vehicles G01M)

## Abstract

A vehicle body structure includes a body having an opening in a design surface; and a back door that opens and closes the opening. The body includes a frame portion recessed from the design surface at a peripheral edge of the opening. An outer peripheral portion of the back door engages with the frame portion and an end portion of the outer peripheral portion has lower strength than other portions of an opening and closing body.

## Claims

### Claim 1

A vehicle body structure comprising:
a body having an opening in a design surface; and,
an opening and closing body for opening and closing the opening, wherein
the body includes a frame portion recessed from the design surface at peripheral portion of the opening,
an outer peripheral portion of the opening and closing body fits the frame portion, and
an end portion of the outer peripheral portion has a lower strength than other portions of the opening and closing body.

### Claim 2 (depends on 1)

The vehicle body structure according to claim 1, wherein an outer plate of the opening and closing body is made of resin.

### Claim 3 (depends on 2)

The vehicle body structure according to claim 2, wherein
the thickness of the end portion of the outer plate is thinner than the thickness of other portions of the outer plate.

### Claim 4 (depends on 2)

The vehicle body structure according to claim 2, wherein
the end portion of the outer plate comprises a notch.