IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0377519
(2003-02-26)
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발명자
/ 주소 |
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인용정보 |
피인용 횟수 :
14 인용 특허 :
10 |
초록
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A rear carrying board assembly of a stroller includes a body, two joint devices, two connecting devices, and two shock-absorbing devices. Thus, the rear carrying board assembly is mounted on the rear portion of the stroller for supporting the baby or for placing an article, thereby enhancing the ver
A rear carrying board assembly of a stroller includes a body, two joint devices, two connecting devices, and two shock-absorbing devices. Thus, the rear carrying board assembly is mounted on the rear portion of the stroller for supporting the baby or for placing an article, thereby enhancing the versatility of the stroller.
대표청구항
▼
1. A rear carrying board assembly of a stroller, comprising a body, two joint devices, two connecting devices, and two shock-absorbing devices, wherein:the body has a bottom having a first side having two ends each formed with a chamber, the chamber is formed with a slide channel, a plurality of piv
1. A rear carrying board assembly of a stroller, comprising a body, two joint devices, two connecting devices, and two shock-absorbing devices, wherein:the body has a bottom having a first side having two ends each formed with a chamber, the chamber is formed with a slide channel, a plurality of pivot ears each located at a first side of the slide channel and each formed with a through hole, and a through bore located at a second side of the slide channel, the slide channel has a side wall formed with a rectangular hole, the chamber has a side wall formed with a circular hole aligning with the through hole of each of the pivot ears, the body includes two clamping blocks each pivotally mounted in the respective chamber and each having a first side formed with a plurality of pivot ears and a second side formed with a through hole, two threaded rods each extended through the through bore of the respective chamber and the through hole of the respective clamping block, two rotation knobs each screwed on the respective threaded rod and each rested on the respective clamping block, and two elastic members each mounted on the respective threaded rod and each urged between the respective chamber and the respective clamping block;each of the two joint devices is mounted on the body, and includes a shaft, a cover, a washer, two press blocks, and a straddle bar;the shaft is extended through the rectangular hole and is slidably mounted in the slide channel of the respective chamber, the shaft has a distal end provided with a circular hollow hub which has a center provided with an inner threaded rod and a periphery formed with a plurality of engaging teeth;the cover is mounted on the hub of the shaft, the cover has a periphery formed with two opposite windows and provided with a hollow receiving portion;each of the two press blocks is movably mounted in the respective window of the cover, and is provided with an arcuate block which has a first side formed with a locking tooth meshing with the engaging teeth of the hub of the shaft, and a second side having two ends each formed with a mounting hole for mounting an elastic member which is urged between the two press blocks;the straddle bar has a first end inserted into the receiving portion of the cover and a second end formed with an action section;each of the two connecting devices is mounted on the straddle bar of the respective joint device, and includes a connecting block, a movable clamping plate, a mounting ring, and a slide;the connecting block has a first portion formed with an arcuate fixed clamping plate which has a first end formed with an opening and a second end formed with an extension formed with a through hole, the opening has a top wall and a bottom wall each formed with a through hole, the connecting block has a mediate portion formed with a groove for insertion of the action section of the straddle bar of the respective joint device, the connecting block has a second portion formed with a receiving chamber which has two side walls each formed with a pivot hole and a top wall formed with a cutout;the movable clamping plate is pivotally mounted on the fixed clamping plate of the connecting block, and has a first end received in the opening of the connecting block and formed with a through hole aligning with the through hole of the opening of the connecting block, and a second end formed with an extension formed with a through hole;the mounting ring is mounted between the movable clamping plate and the fixed clamping plate;the slide is slidably mounted in the receiving chamber of the connecting block, the slide has an end formed with an extension plate, and has a top formed with a movable portion movably mounted in the cutout of the receiving chamber of the connecting block and an enlarged push portion located above the movable portion and movably mounted on the connecting block;each of the two shock-absorbing devices is mounted on the bottom of the body, and includes a colu mn, a wheel, an elastic member, and a protective sleeve. 2. The rear carrying board assembly of a stroller in accordance with claim 1, wherein the body has a top formed with an anti-skid portion. 3. The rear carrying board assembly of a stroller in accordance with claim 1, wherein the bottom of the body is formed with a plurality of reinforcing ribs. 4. The rear carrying board assembly of a stroller in accordance with claim 1, wherein the body further includes two pivot rods each extended through the circular hole of a respective chamber, each of the pivot ears of a respective clamping block and the through hole of each of the pivot ears of the respective chamber. 5. The rear carrying board assembly of a stroller in accordance with claim 1, wherein the cover has a center formed with a central hole for passage of a threaded rod which is extended through the washer and is screwed into the inner threaded rod, thereby securing the cover on the hub of the shaft. 6. The rear carrying board assembly of a stroller in accordance with claim 1, further comprising a pivot rod extended through the through hole of the opening of the connecting block and the through hole of the movable clamping plate. 7. The rear carrying board assembly of a stroller in accordance with claim 1, wherein the receiving chamber communicates with the groove. 8. The rear carrying board assembly of a stroller in accordance with claim 1, further comprising a threaded rod extended through the through hole of the extension of the fixed clamping plate and the through hole of the extension of the movable clamping plate, and screwed with a nut, thereby securing the movable clamping plate on the fixed clamping plate. 9. The rear carrying board assembly of a stroller in accordance with claim 1, wherein the mounting ring has a wall formed with a slit. 10. The rear carrying board assembly of a stroller in accordance with claim 1, wherein the mounting ring has two ends each formed with an annular lip. 11. The rear carrying board assembly of a stroller in accordance with claim 1, wherein the mounting ring has a different inner diameter to fit the diameter of the rear frame of the stroller. 12. The rear carrying board assembly of a stroller in accordance with claim 1, wherein the slide has a side formed with an oblong guide slot, a guide rod is extended through the pivot hole of the receiving chamber of the connecting block and the guide slot of the slide, so that the slide is movably mounted on the guide rod, and an elastic member is mounted in the guide slot of the slide and is urged between the guide rod and a front wall of the guide slot of the slide. 13. The rear carrying board assembly of a stroller in accordance with claim 1, wherein the bottom of the body has a second side having two ends each formed with a socket formed with two opposite arcuate slots, the socket has a periphery provided with two pairs of protruding ears each formed with a through hole, the bottom of the body has a side wall formed with two circular holes aligning with the through hole of the respective protruding ears. 14. The rear carrying board assembly of a stroller in accordance with claim 13, wherein the column is movably mounted in the respective socket of the body, and has an upper portion formed with two slide grooves and a lower portion formed with an annular resting flange. 15. The rear carrying board assembly of a stroller in accordance with claim 14, wherein each of the two shock-absorbing devices further includes two locking bolts each extended through the respective circular hole of the body, the through hole of the respective protruding ears, the respective arcuate slot of the socket and the respective slide groove of the column, and two locking nuts each screwed on the respective locking bolt. 16. The rear carrying board assembly of a stroller in accordance with claim 14, wherein the elastic member of each of the two shock-absorbing devices is mounted on the column and urged between a bottom of the socket and the resting flange of the column. 17. The rear carrying board assembly of a stroller in accordance with claim 16, wherein the protective sleeve is mounted on the socket to encompass the column and the elastic member. 18. The rear carrying board assembly of a stroller in accordance with claim 1, wherein the column has an inner wall formed with an inner ring, and the wheel has a top rotatably mounted on the column and provided with two elastic hooks hooked on the inner ring of the column.
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