Article transfer apparatus
First Claim
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1. An article transfer apparatus, comprising:
- an attracting pad including a front attracting section and a rear attracting section for attracting an article; and
a moving section for moving the attracting pad, which is for attracting the article, from a pickup position to a hand-over position, wherein;
the front attracting section includes at least one suction hole for attracting the article, the suction hole of the front attracting section being communicated to an opening of the attracting pad;
the rear attracting section includes at least one suction hole for attracting the article, the suction hole of the rear attracting section being communicated to the opening; and
when a negative pressure is applied on the opening in a non-attracting state, an air suction amount through the suction hole of the front attracting section is greater than an air suction amount through the suction hole of the rear attracting section.
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Abstract
With an article transfer apparatus 1 of the present invention, when a negative pressure is applied on an air outlet 20 in a non-attracting state, the amount of air that is sucked through suction holes 6 in a front attracting section 2f is greater than the amount of air that is sucked through suction holes 7 in a rear attracting section 2b. Therefore, the suction amount through the front attracting section 2f is increased while reducing the suction loss of the attracting pad 2, thereby improving the reliability of the attraction operation.
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Citations
21 Claims
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1. An article transfer apparatus, comprising:
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an attracting pad including a front attracting section and a rear attracting section for attracting an article; and
a moving section for moving the attracting pad, which is for attracting the article, from a pickup position to a hand-over position, wherein;
the front attracting section includes at least one suction hole for attracting the article, the suction hole of the front attracting section being communicated to an opening of the attracting pad;
the rear attracting section includes at least one suction hole for attracting the article, the suction hole of the rear attracting section being communicated to the opening; and
when a negative pressure is applied on the opening in a non-attracting state, an air suction amount through the suction hole of the front attracting section is greater than an air suction amount through the suction hole of the rear attracting section. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An article transfer apparatus , comprising:
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an attracting pad including a front attracting section and a rear attracting section for attracting an article; and
a moving section for moving the attracting pad, which is for attracting the article, from a pickup position to a hand-over position, wherein;
the front attracting section includes at least one suction hole for attracting the article, the suction hole of the front attracting section being communicated to an opening of the attracting pad;
the rear attracting section includes at least one suction hole for attracting the article, the suction hole of the rear attracting section being communicated to the opening; and
when a negative pressure is applied on the opening in a non-attracting state, an air suction resistance through the front attracting section is smaller than an air suction resistance through the rear attracting section. - View Dependent Claims (9, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20)
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15. An article transfer apparatus, comprising:
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an attracting pad including a front attracting section and a rear attracting section for attracting an article; and
a moving section for moving the attracting pad, which is for attracting the article, from a pickup position to a hand-over position, wherein;
the front attracting section includes at least one suction hole for attracting the article;
the rear attracting section includes at least one suction hole for attracting the article; and
a total cross-sectional area of the suction hole of the front attracting section is greater than a total cross-sectional area of the suction hole of the rear attracting section. - View Dependent Claims (21)
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Specification