[특허]Interconnected rotary system with built-in suspension for baby prams

[미국특허] Interconnected rotary system with built-in suspension for baby prams 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62B-007/04
출원번호	US-0876048 (2001-06-08)
우선권정보	PT-9 636 (2000-06-30)
발명자 / 주소	Santos, Emanuel Fernando Oliveira Ferreira, Valdemar Antunes
출원인 / 주소	Bebecar - Utilidades para Crianca, LDA
대리인 / 주소	Young & Thompson
인용정보	피인용 횟수 : 11 인용 특허 : 14

초록 ▼

An interconnected rotary system with built-in suspension is provided for baby prams, intended to provide a use of only two wheels with interconnected steering. This system consists of two rotary suspension blocks (2) supporting the wheels (1) fixed to the chassis on (X) with a suspension spring (5) inside the rotary block (2) and with the rotary points (Y) on which a steering bar (3) is articulated. This new system will allow the use of larger wheels, increasing both the baby and user's comfort.

대표청구항 ▼

1. A steering and suspension system for front wheels of a baby pram having a chassis and front legs and front wheels, comprising: a pair of suspension blocks for supporting lower ends of the front legs and for supporting the front wheels, the suspension blocks each having a rotary point; an interconnection having ends attached to the rotary point of each of the suspension blocks and configured to interlockingly interconnect the suspension blocks together to provide that a steering of a first of the front wheels forces a parallel steering of a second of the front wheels; a tie located inside one of the front legs; and a sliding spring device connected to the tie, the sliding spring device operating under direction of the tie to act on a rim of the first wheel stopping the first wheel and, via the interconnection rod, stopping the second wheel. 2. The system of claim 1, wherein the suspension blocks further comprise a suspension spring acting against an installed front leg. 3. The system of claim 1, wherein the interconnection is a rod pivotably attached to the rotary point of each of the suspension blocks. 4. The system of claim 3, further comprising a bracing bar having ends attached to each of the suspension blocks and being positioned in parallel with the rod. 5. A baby pram, comprising: a pair of front wheels; a pair of hollow front legs; a pair of suspension blocks supporting lower ends of the front legs and supporting the front wheels, the suspension blocks each having a rotary point; a interconnection rod having ends attached to the rotary point of each of the suspension blocks interlockingly interconnecting the suspension blocks together to provide that a steering of a first of the front wheels forces a parallel steering of a second of the front wheels; a tie located inside one of the front legs; and a sliding spring device connected to the tie, the sliding spring device operating under direction of the tie to act on a rim of the first wheel stopping the first wheel and, via the interconnection rod, stopping the second wheel. 6. The pram of claim 5, wherein the suspension blocks further comprise a suspension spring acting against the supported lower end of front legs. 7. The pram of claim 5, further comprising a bracing bar having ends attached to each of the suspension blocks and being positioned in parallel with the rod.

이 특허에 인용된 특허 (14) 인용/피인용 타임라인 분석

Okubo Yoshikazu (Matsudo JA), Baby carriage.
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Kassai, Kenzou, Caster.
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Milbredt Manfred (Remscheid DEX) Block Wolfgang (Schwelm DEX), Caster with lock.
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Teng Jerry M. S. (24-8 ; Hsu-Chung Ying ; Chung-Jung Tsun An-Ting Hsiang ; Tai-Nan Hsien TWX), Controlling structure for a handle and castors of a stroller.
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Ko Ping-Shien (Tainan Hsien TWX), Direction setting device for rollers of a baby walker.
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Wu Donald P.H.,TWX, Electric cart with two piece chassis.
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Tan Stephen K, Quick click brake and swivel system.
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Kassai Kenzou (Osaka JPX), Spring cushioned caster having a spring biased locking member.
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Kassai Kenzou (Osaka JPX), Spring supported caster having a disengageable swivel lock.
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Wang Frank,TWX, Stroller with shock absorbing device for mounting a seat member on a stroller frame.
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Lauro Charles W. (Southern Pines NC), Support assembly for mounting casters to a frame of a stroller.
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Matsumoto Tamotsu,JPX, Suspension for stroller.
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Lee Aaron, Vehicle with swivel control of casters for enabling rider or external steering.
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Bigo Jean (Cholet FRX), Wheel-locking device, in particular for a pram.
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이 특허를 인용한 특허 (11) 인용/피인용 타임라인 분석

Thorne, Henry F., Braking system for a stroller.
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Thorne, Henry F.; Koes, Mary J.; Daley, Robert D., Collapsible stroller.
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Thorne, Henry F.; Koes, Mary J.; Daley, Robert D., Collapsible stroller.
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Chen, Zhaosheng, Folding wagon with canopy.
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Daley, Robert D.; Thorne, Henry F., Lighting system for a stroller.
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Ahlemeier, Eli, Motorized stroller system and apparatus.
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Thorne, Henry F.; Daley, Robert D.; Koes, Mary J., Power folding stroller having manual override system.
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Thorne, Henry F.; Daley, Robert D.; Koes, Mary J., Power folding stroller having multiple motors.
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Thorne, Henry F., Power generation system for a stroller.
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Thorne, Henry F.; Daley, Robert D.; Koes, Mary J., Stroller with frame position sensor.
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Lan, Red, Wheel assembly for a stroller.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Interconnected rotary system with built-in suspension for baby prams 원문보기