[특허]Configurable trailer dolly

Shanghai Cartec Industrial and Trading Co., Ltd.

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Configurable trailer dolly

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62B-005/06 B62B-001/12 B60D-001/06 B60D-001/155 B60D-001/66 B60S-013/00
출원번호	US-0464075 (2017-03-20)
등록번호	US-10124822 (2018-11-13)
발명자 / 주소	Nielsen, Scott Xie, Yonghua
출원인 / 주소	Shanghai Cartec Industrial and Trading Co., Ltd.
대리인 / 주소	Schwegman Lundberg & Woessner, P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 5

초록
▼

A trailer dolly can include various features to be adjustable between a manual configuration and a vehicular towing configuration. In the manual configuration, a user can manually maneuver the trailer dolly to position the trailer, such as by using one or more retractable handles. Where the user desires to maneuver the trailer with a vehicle, the trailer dolly can be adjusted to the vehicle towing configuration. In an example, the trailer dolly can be coupled to the vehicle with a second hitch attached to the trailer dolly, the second hitch located distally along the tow bar with respect to the trailer hitch supporting the trailer load. Accordingly, the trailer dolly can be used for both manual and vehicular applications and the user can transition between the manual and vehicular configurations while the trailer is hitched to the trailer dolly.

대표
청구항
▼

1. A configurable dolly, comprising: a frame including a wheel rotatably coupled to the frame;a first hitch coupled to the frame, the first hitch configured to mate with a trailer receiver;a tow bar coupled to the frame, the tow bar movable relative to the frame and securable in position using a locking mechanism;a handle located near an end of the tow bar distal to the frame;a second hitch located at the end of the tow bar distal to the frame; andwherein the locking mechanism and tow bar are arranged to provide at least two configurations, including:a manual configuration wherein the tow bar is disposed at a first angle relative to the fame; anda vehicle towing configuration wherein the tow bar is disposed at a different second angle relative to the frame;wherein in the manual configuration, the end of the tow bar and the handle are located further from the ground than in the vehicle towing configuration. 2. The configurable dolly of claim 1, further comprising two wheels rotatably coupled to the frame by an axle. 3. The configurable dolly of claim 1, wherein at least one of the first hitch or the second hitch is a ball hitch. 4. The configurable dolly of claim 1, wherein the handle is retractably coupled to the tow bar to adjustably provide an extended configuration and a stowed configuration. 5. The configurable dolly of claim 1, wherein the tow bar is rotatably coupled to the frame at least in part using the locking mechanism and selectively secured to the locking mechanism at one or more angular orientations with respect to the frame. 6. The configurable dolly of claim 1, wherein the tow bar is rotatably coupled to the frame and a pin is insertable through one or more apertures of the tow bar or the frame to secure the tow bar in at least one of the manual configuration or the vehicle towing configuration. 7. The configurable dolly of claim 1, further comprising a retractable support member coupled to the dolly, the retractable support member including a stowed configuration and an extended configuration. 8. The configurable dolly of claim 7, wherein the retractable support member is a support leg. 9. The configurable dolly of claim 7, wherein the retractable support member includes a fastener to lock the support member in one of the stowed configuration or the extended configuration. 10. A method of making a configurable dolly comprising: attaching at least one wheel to a frame;coupling a first hitch to the frame, the first hitch configured to couple with a trailer receiver;moveably coupling a tow bar to the frame and securing the tow bar in position using a locking mechanism;coupling at least one handle to the tow bar, the handle located near an end of the tow bar distal to the frame;coupling a second hitch to the tow bar, the second hitch configured to couple to a vehicle; andwherein the locking mechanism and the tow bar are adjustable between at least two configurations, including:a manual configuration wherein the tow bar is disposed at a first angle with respect to the frame; anda vehicle towing configuration wherein the tow bar is disposed at a second angle with respect to the frame;wherein in the manual configuration, the end of the tow bar and the handle are located further from the ground than in the vehicle towing configuration. 11. The method of claim 10, wherein coupling at least one handle to the tow bar includes retractably coupling the handle the tow bar, the handle adjustable between an extended configuration and a stowed configuration. 12. The method of claim 10, wherein moveably coupling a tow bar to the frame includes rotatably coupling the tow bar, at least in part, to the locking mechanism and selectively securing the tow bar to the locking mechanism at one or more angular orientations with respect to the frame. 13. The method of claim 10, wherein moveably coupling a tow bar to the frame includes rotatably coupling the tow bar to the frame and inserting a pin through one or more apertures of the tow bar, the frame, or both to secure the tow bar in at least one of the manual configuration or the vehicle configuration. 14. The method of claim 10, further comprising rotatably coupling a retractable support member to the dolly, the retractable support member including a stowed configuration and an extended configuration. 15. A configurable dolly, comprising: a frame including at least two wheels rotatably coupled to the frame;a first hitch coupled to the frame, the first hitch configured to mate with a trailer receiver;a tow bar coupled to the frame, the tow bar movable relative to the frame and selectively secured in one or more angular orientations with respect to the frame using at least in part a locking mechanism;a handle located near an end of the tow bar distal to the frame;a second hitch located at the end of the tow bar distal to the frame; andwherein the locking mechanism and tow bar are arranged to provide at least two configurations, including:a manual configuration wherein the tow bar is disposed at a first angle relative to the fame, and the end of the tow bar and the handle are located at a first distance from the ground; anda vehicle towing configuration wherein the tow bar is disposed at a different second angle relative to the frame, and the end of the tow bar and the handle are located at a second distance from the ground, wherein the second distance is less than the first distance;wherein at least one of the first hitch or the second hitch is a ball hitch; andwherein the handle is retractably coupled to the tow bar to adjustably provide an extended configuration and a stowed configuration. 16. The configurable dolly of claim 15, further comprising a retractable support member coupled to the dolly, the retractable support member including a stowed configuration and an extended configuration. 17. The configurable dolly of claim 16, wherein the retractable support member is a support leg. 18. The configurable dolly of claim 16, wherein the retractable support member includes a fastener to lock the support member in one of the stowed configuration or the extended configuration. 19. The configurable dolly of claim 15, wherein the tow bar is rotatably coupled to the frame and a pin is insertable through one or more apertures of the tow bar or the frame to secure the tow bar in at least one of the manual configuration or the vehicle towing configuration.

이 특허에 인용된 특허 (5)

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특허 상세정보

Configurable trailer dolly

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이 특허에 인용된 특허 (5)

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특허 상세정보

Configurable trailer dolly

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이 특허에 인용된 특허 (5)

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과제정보

상세정보조회

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IPC 상세정보(version : 201201)

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