[특허]Self propelled golf bag cart

[미국특허] Self propelled golf bag cart 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62D-051/04 B62D-011/04 B62D-001/24
출원번호	US-0761390 (1991-09-18)
발명자 / 주소	Reimers Eric W. (1235 Starwood Missoula MT 59802)
인용정보	피인용 횟수 : 32 인용 특허 : 0

초록 ▼

A self propelled golf bag cart assembly (10) is provided to allow a golfer to walk during a round of golf while having the golf cart (12) and the contents carried by the cart (10). The bag cart (10) includes a plurality of cooperative subassemblies for performing specific functions. The bag cart (10) includes a frame subassembly (16), a first drive wheel subassembly (18), a second drive wheel subassembly (20), a caster subassembly (28), a handle subassembly (30), and a hand grip subassembly (32). Each of the drive wheel subassemblies (18, 20) includes a shoulder (22), a motor (26), and a wheel (24) subassembly. Power and control is provided by directly driving a motor (118) associated with each wheel (24) through an electrical subassembly (38). The electrical subassembly includes a battery (48) and a variety of controlling components situated in a manual control box (34), a main power unit (54) the hand grip (32), and an optional remote control unit (36). The bag cart (10) is primarily characterized by direct independent drive of the wheels, compactiblity from a use mode to a storage mode, and precise user control from the hand grip (32), or the remote control unit (36). The primary expected usage of the self propelled golf bag cart assembly (10) is by individual golfers on walking courses.

대표청구항 ▼

A golf bag cart assembly for powered transport of a loaded golf bag, comprising; a folding frame structure which may be expanded to a use mode for use and compacted to a storage mode for storage and transport, the folding frame structure including a central frame for providing support to the side of a golf bag, a caster structure including a caster member pivotally mounted on said central frame and a caster wheel pivotally attached thereto, said caster structure providing bottom support for the golf bag, and a handle structure pivotally mounted upon said central frame, said handle structure including a hand grip member for grasping by a user; a pair of opposing drive wheel structures mounted upon said central frame by shoulder structures permitting controlled rotation in at least two dimensions, each said pair of drive wheel structures including opposing wheel means and providing with said caster structure, tricycular rolling support for the cart assembly, and independently controlled motor means for providing rotational force to said opposing wheel means; electrical power storage and delivery means; and electrical controls mounted on the folding frame structure so as to be readily accessible to the user, the electrical controls including power activation control means, speed control means and directional control means, each of the electrical controls affecting the operation of said motor means; wherein the cart assembly is generally symmetrical about a longitudinal vertical plane, both in said use mode and said storage mode; said use mode is characterized by said wheel means being commonly rotated on said shoulder structures in a direction parallel to said longitudinal vertical plane so as to be separated longitudinally from the bottom portion of the folding frame structure, each of said wheel means being opposingly rotated on said shoulder structures in a direction perpendicular to said longitudinal vertical plane so as to displaced outward from said bottom portion, said caster structure being rotated in a direction parallel to said longitudinal vertical plane so as to be displaced from said bottom portion in a direction opposite to the direction of longitudinal displacement of said wheel means, and said handle structure being pivoted outward from the central frame within said longitudinal vertical plane; and said storage mode is characterized by said wheel means being rotated on said shoulder structure so as to be aligned directly against the opposing sides of the folding frame structure, said caster structure is pivoted so as to be situated between said wheel means, and said handle structure is pivoted so as to lie longitudinally between said wheel means, but displaced above said wheel means, while not projecting longitudinally beyond the extent of the folding frame structure.

이 특허를 인용한 특허 (32) 인용/피인용 타임라인 분석

Reimers, Eric W.; Robirds, Mark, Collapsible golf cart.
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Eidelson, Arthur, Driven load-bearing system.
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Albertsson Stig L., Electric golf cart.
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Usselman, Robert A.; Nosov, Anatoliy, Electronic braking for a universal motor in a power tool.
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Zhang, Jian; Lee, Chunghsin, Foldable cart with tracking arrangement.
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Cyr, Terry J.; Darley, Jesse C.; Poster, Matthew J.; Follmann, Ryan M., Interactive ride-on toy apparatus.
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Jalbout, Bassam D.; Wong, Brian, Methods and systems for controlling electrical power to DC loads.
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Peterson, Robert L.; Undrill, Robert James, Mobile practice dummy.
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Nagamachi Sakae (Ise JPX), Motor-driven cart.
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Anasiewicz, Stephen A., Motorized beach cart.
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Anasiewicz, Stephen A., Motorized beach cart.
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Royer Larry G. ; Hansen C. Calvin ; Cotton James ; Fleener Clyde J., Motorized golf bag cart.
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Matte,Denis, Personal compact cart.
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Young, Matthew E.; Greenberg, Daniel R., Power assist wagon.
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Liao,Gordon, Powered mechanism for universal golf cart.
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Chang, Chen-Hui; Liu, Yu-Hsin; Kuo, Shun-Lin; Chiang, Shih-Tsung, Remote-controlled electric golf bag cart.
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Doane, Dennis W.; Doane, Rick M.; Doane, Timothy L.; Doane, Shea P.; Nicola, Robert T.; Burns, Kenneth M., Robotic golf caddy.
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Doane, Dennis W.; Doane, Rick M.; Doane, Timothy L.; Doane, Shea P.; Nicola, Robert T.; Burns, Kenneth M., Robotic golf caddy.
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Doane, Dennis W.; Doane, Rick M.; Doane, Timothy L.; Doane, Shea P.; Nicola, Robert T.; Burns, Kenneth M., Robotic golf caddy.
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Block, Wolfgang, Roller having a driven wheel, load truck comprising a roller having a driven wheel and operating device.
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Lee, Chunghsin; Zhang, Jian, Tracking foldable cart.
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Jalbout, Bassam D.; Wong, Brian, Traction system for electrically powered vehicles.
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Weiss, John M.; Weiss, Anita J., Universally adaptable mobilized storage container.
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Daley, Robert D.; Thorne, Henry F.; Wiegmann, Elijah M.; Walker, John J.; Hopke, Frederick Karl, User interface for a power folding stroller.
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Copeland, Henry, Vehicle propulsion system.
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A	생활필수품
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Self propelled golf bag cart 원문보기

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