IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0733953
(2007-04-11)
|
등록번호 |
US-7690609
(2010-05-20)
|
우선권정보 |
JP-2006-116359(2006-04-20) |
발명자
/ 주소 |
- Akai, Takayuki
- Kawabata, Makoto
|
출원인 / 주소 |
|
대리인 / 주소 |
Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
|
인용정보 |
피인용 횟수 :
7 인용 특허 :
9 |
초록
▼
A suction cup having an adsorption surface is provided wherein the suction cup has a disk-like main suction cup unit composed of an elastically-deformable material and has an attachment surface. The attachment surface has a gel layer composed of a gel, bonded thereto so as to cover the attachment su
A suction cup having an adsorption surface is provided wherein the suction cup has a disk-like main suction cup unit composed of an elastically-deformable material and has an attachment surface. The attachment surface has a gel layer composed of a gel, bonded thereto so as to cover the attachment surface. The adsorption surface is formed by the surface of the gel layer, and the gel layer are composed of a center portion composing the center of the adsorption surface, and a circumferential portion composing the outer circumference of the adsorption surface. The outer circumferential portion has the thickness larger than the thickness of the center portion.
대표청구항
▼
What is claimed is: 1. A suction cup having an adsorption surface, comprising: a disk-like main suction cup unit composed of an elastically-deformable material and having an attachment surface; and a gel layer composed of a gel, bonded to the main suction cup unit so as to cover said attachment sur
What is claimed is: 1. A suction cup having an adsorption surface, comprising: a disk-like main suction cup unit composed of an elastically-deformable material and having an attachment surface; and a gel layer composed of a gel, bonded to the main suction cup unit so as to cover said attachment surface, wherein said adsorption surface is formed by a surface of said gel layer, and said gel layer includes a center portion composing a center of said adsorption surface and an outer circumferential portion composing an outer circumference of said adsorption surface, and said outer circumferential portion has a thickness larger than a thickness of said center portion when the suction cup is not attached to an object. 2. The suction cup as claimed in claim 1, wherein the thickness of said center portion is uniform, and the thickness of said outer circumferential portion is uniform. 3. The suction cup as claimed in claim 1, wherein said center portion and said outer circumferential portion are connected by an annular-plate-like slope extending out from an outer circumference of said center portion, and having a thickness that gradually increases towards the outer circumferential portion. 4. The suction cup as claimed in claim 3, wherein the thickness of said center portion is the same as a thickness of an inner circumferential portion of the slope, and the thickness of said outer circumferential portion is the same as a thickness of the outer circumferential portion of said slope. 5. The suction cup as claimed in claim 1, wherein said attachment surface is formed on a first surface in a thickness-wise direction of said main suction cup unit, a second surface in the thickness-wise direction of said main suction cup unit is a back surface, and a shaft of the suction cup is provided to a center of the back surface of said main suction cup unit and projects out therefrom. 6. The suction cup as claimed in claim 1, wherein said main suction cup unit is formed of an elastic synthetic resin material. 7. The suction cup as claimed in claim 1, wherein said attachment surface is formed as having a concave geometry. 8. The suction cup as claimed in claim 1, wherein said adsorption surface is formed as having a concave shape. 9. The suction cup as claimed in claim 1, further comprising: a frame including an annular plate coupled to an outer portion of the main suction cup unit via a cushion material positioned between the annular plate and the main suction cup unit, and the cushion material is attached to a back surface of the elastically-deformable material. 10. The suction cup as claimed in claim 9, further comprising: a shaft projecting out from the main suction cup unit; and an elastic component positioned between the shaft and the main suction cup unit to bias the frame towards the adsorption surface. 11. A suction cup, comprising: a disk-like main suction cup unit comprised of an elastically-deformable material and having an attachment surface; and a gel layer comprised of a gel, wherein a first surface of the gel layer is bonded to the main suction cup unit so as to cover the attachment surface, a second surface of the gel layer is an adsorption surface, and a thickness of an outer circumferential portion of the gel layer is larger than a thickness of a center portion of the gel layer when the suction cup is not attached to an object, wherein the gel layer includes an annular-plate-like slope extending out from an outer circumference of the center portion to an inner circumference of the outer circumferential portion, and the slope has a thickness that gradually increases towards the outer circumferential portion. 12. The suction cup as claimed in claim 11, wherein the thickness of the center portion is uniform, and the thickness of the outer circumferential portion is uniform. 13. The suction cup as claimed in claim 11, wherein the thickness of the center portion is the same as a thickness of the inner circumferential portion of the slope, and the thickness of the outer circumferential portion is the same as a thickness of the outer circumferential portion of the slope. 14. The suction cup as claimed in claim 11, wherein the attachment surface is formed on a first surface in a thickness-wise direction of the main suction cup unit, a second surface in the thickness-wise direction of the main suction cup unit is a back surface, and a shaft of the suction cup is provided to a center of the back surface of the main suction cup unit and projects out therefrom. 15. The suction cup as claimed in claim 11, wherein the main suction cup unit comprises an elastic synthetic resin material. 16. The suction cup as claimed in claim 11, wherein the attachment surface has a concave geometry. 17. The suction cup as claimed in claim 11, wherein the adsorption surface of the gel layer has a concave shape. 18. The suction cup as claimed in claim 11, further comprising: a frame including an annular plate coupled to an outer portion of the main suction cup unit via a cushion material positioned between the annular plate and the main suction cup unit, and the cushion material is attached to a back surface of the main suction cup unit. 19. The suction cup as claimed in claim 18, further comprising: a shaft projected out from the back surface of the main suction cup unit; and an elastic component positioned between the shaft and the main suction cup unit to bias the frame towards the adsorption surface of the gel layer.
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