# US 2019/0168829 A1 · Towing device for automatic guided vehicle, and automatic guided vehicle provided with the same

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- Number: US 2019/0168829 A1
- Document ID: US20190168829A1
- Status: Published application
- Kind: A1
- Application number: 16/314,081
- Filed: 2017-06-28
- Published: 2019-06-06
- Earliest claimed: 2016-07-14
- Assignees: Aichikikai Technosystem Co., Ltd.; Honda Motor Co., Ltd.
- Applicants: Aichikikai Technosystem Co., Ltd.; Honda Motor, Co., Ltd.
- Inventors: Ryuji ADACHI; Takayuki KANEKO
- Web page: https://patentgrep.com/patent/US20190168829A1

## CPC

- B62D 53/08: Fifth wheel traction couplings {(tractors for handling trailers in terminals B62D49/007)}
- B61B 13/00: Other railway systems
- B62D 59/04: driven from propulsion unit on trailer
- B62D 61/02: with two road wheels in tandem on the longitudinal centre line of the vehicle
- B60D 2001/005: {for carts, scooters or the like}
- B62B 5/0079: {Towing by connecting to another vehicle}
- 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)
- B61B: RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR (lifts or hoists, elevators, escalators, moving walkways B66B)
- B60D: VEHICLE CONNECTIONS
- B62B: HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES (characterised by animal propulsion B62C; propulsion of sledges by driver or engine B62M)

## Abstract

A towing device for an automatic guided vehicle that tows a carriage is disclosed. The towing device includes a connecting member, one end of which is connected to the automatic guided vehicle, and a hook member connected to the other end of the connecting member. One end of the connecting member is swivelably connected to the automatic guided vehicle. A swivel shaft axis line of the connecting member and a swivel shaft axis line of a drive unit of the automatic guided vehicle are configured to be coaxial.

## Claims

### Claim 1

A towing device for an automatic guided vehicle capable of towing a carriage, the automatic guided vehicle having drive wheels swivelably supported on a vehicle body, the towing device comprising:
a connecting member, one end of the connecting member connected to the automatic guided vehicle to be swivelable around a swivel shaft of the drive wheels while the other end of the connecting member is connected to the carriage.

### Claim 2

An automatic guided vehicle capable of towing a carriage, comprising:
a vehicle body;
a drive unit including drive wheels swivelably supported on the vehicle body;
a caster disposed so as to be freely swivelable with respect to the vehicle body; and
a towing device including a connecting member, one end of the connecting member connected to the vehicle body to be swivelable around a swivel shaft of the drive wheels while the other end of the connecting member is connected to the carriage.

### Claim 3 (depends on 2)

The automatic guided vehicle according to claim 2, wherein
the swivel shaft of the drive wheels has an axis line extending in a vertical direction and also intersecting an axle of the drive wheels.

### Claim 4 (depends on 2)

The automatic guided vehicle according to claim 2, wherein
the drive wheels are disposed on a rear side of the automatic guided vehicle in a traveling direction of the automatic guided vehicle and
the caster is disposed on a front side of the automatic guided vehicle in the traveling direction.