IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0899542
(2004-07-27)
|
우선권정보 |
JP-2003-281677(2003-07-29); JP-2003-281678(2003-07-29) |
발명자
/ 주소 |
- Ikehata,Yoshiteru
- Ono,Takayoshi
- Morimoto,Yuichi
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출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
8 인용 특허 :
20 |
초록
▼
It is an object of the invention to provide an apparatus for transporting a transported object in a transporting direction as the transported object is supported by air, the apparatus having a plurality of transporting units. A specific transporting unit of the plurality of transporting units is con
It is an object of the invention to provide an apparatus for transporting a transported object in a transporting direction as the transported object is supported by air, the apparatus having a plurality of transporting units. A specific transporting unit of the plurality of transporting units is controlled based on the transporting state of at least one other transporting unit. Thus, it is possible to reduce the number of problems that may occur during transporting.
대표청구항
▼
What is claimed is: 1. A transporting apparatus, comprising: a) a plurality of transporting means aligned in a transporting direction, each transporting means comprising: i) air-supplying-type support means for supplying air toward a lower surface portion of a transported object to contactlessly su
What is claimed is: 1. A transporting apparatus, comprising: a) a plurality of transporting means aligned in a transporting direction, each transporting means comprising: i) air-supplying-type support means for supplying air toward a lower surface portion of a transported object to contactlessly support the transported object, the air-supplying-type support means including a blower fan and a filter disposed in a blowing direction of the blower fan; and ii) drive force application means for applying a drive force in the transporting direction to the transported object that is supported by the air-supplying-type support means; and b) control means for controlling operation of the plurality of transporting means, wherein the control means allows an upstream side transporting means of the plurality of transporting means to operate if a downstream side transporting means, located downstream with respect to the transporting direction relative to the upstream side transporting means, is in an operating state, and prohibits the start of operation of the upstream side transporting means if the downstream side transporting means is in a non-operating state. 2. The transporting apparatus according to claim 1, wherein one transporting means and another one of the plurality of transporting means are a transporting means on the downstream side and an adjacent transporting means on the upstream side in the transporting direction respectively; and wherein the control means allows the upstream side transporting means to start operation if the downstream side transporting means is in an operating state, and prohibits the start of operation of the upstream side transporting means if the downstream side transporting means is in a non-operating state. 3. The transporting apparatus according to claim 2, further comprising: manually operated operation ordering means for ordering the start of operation far each of the plurality of transporting means; wherein the control means, if the downstream side transporting means is in the operating state, starts operation of the upstream side transporting means when the operation ordering means orders the start of operation of the upstream side transporting means, and if the downstream side transporting means is in the non-operating state, prohibits the start of operation of the upstream side transporting means even if the operation ordering means orders the start of operation of the upstream side transporting means. 4. The transporting apparatus according to claim 3, wherein the transporting means is provided with object detection means for detecting whether the transported object is present on the transporting route of that transporting means; and wherein the control means prohibits the start of operation of the upstream side transporting means, if the downstream side transporting means is in the non-operating state, when the object detection means of the upstream side transporting means detects the presence of the transported object. 5. A transporting apparatus comprising: a) a plurality of transporting means aligned in a transporting direction, each transporting means comprising: i) air-supplying-type support means for supplying air toward a lower surface portion of a transported object to contactlessly support the transported object, the air-supplying-type support means including a blower fan and a filter disposed in the blowing direction of the blower fan; and ii) drive force application means for applying a drive force in the transportation direction to the transported object that is supported by the air-supplying-type support means; and b) control means for controlling operation of the plurality of transporting means, wherein the control means controls the operating state of the air-supplying-type support means of a downstream side transporting means before a transfer timing such that the transported object can be contactlessly supported by the air-supplying-type support means of the downstream side transporting means at the transfer timing at which the transported object on an upstream side transporting means, located upstream with respect to the transporting direction relative to the downstream side transporting means, is transferred to the downstream side transporting means. 6. The transporting apparatus according to claim 5, wherein the control means controls the operating state of the air-supplying-type support means of the downstream side transporting means before an upstream transfer timing such that the transported object can be contactlessly supported by the air-supplying-type support means of the downstream side transporting means wherein the upstream transfer timing occurs when the transported object is transferred to the upstream side transporting means. 7. The transporting apparatus according to claim 5, wherein the air-supplying-type support means is configured so as to supply purified air toward a lower surface portion of the transported object through a dust-removal filter, and the air-supplying-type support means can be changed between a supporting operation state in which an amount of purified air supplied toward the lower surface portion of he transported object is a supporting supplying amount for contactlessly supporting the transported object, and a weak air state in which said air amount is less than the supporting supplying amount; and wherein the control means changes the air-supplying-type support means of the downstream side transporting means from the weak air state, which is the state after operation is started, to the supporting operation state before the transfer timing. 8. The transporting apparatus according to claim 1, wherein the transporting means includes a porous plate provided between the blower fan and a space where a transported object is transported. 9. The transporting apparatus according to claim 8, wherein the drive force application means includes a plurality of drive rollers and an electric motor that drives the drive rollers. 10. The transporting apparatus according to claim 9 further including at least one of a sensor that detects rotation of the blower fan, and a sensor that detects rotation of the electric motor, wherein the control means determines whether the downstream side transporting means is in the operating or non-operating state based on a signal from the at least one of the sensors. 11. The transporting apparatus according to claim 1, wherein the control means determines whether the downstream side transporting means is in the operating or non-operating state based on whether operation start command has been given to the transporting means. 12. The transporting apparatus according to claim 5, wherein the transporting means includes a porous plate provided between the blower fan and a space where a transported object is transported. 13. The transporting apparatus according to claim 12, wherein the drive force application means includes a plurality of drive rollers and an electric motor that drives the drive rollers. 14. The transporting apparatus according to claim 13 further including at least one of a sensor that detects rotation of the blower fan, and a sensor that detects rotation of the electric motor, wherein the control means determines whether the downstream side transporting means is in the operating or non-operating state based on a signal from the at least one of the sensors. 15. The transporting apparatus according to claim 1, wherein the control means determines whether the downstream side transporting means is in the operating or non-operating state based on whether operation start command has been given the transporting means.
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