Disclosed herein is a suction cup, including: a suction cup body formed from gel and having at least one flat or convex face serving as a suction face; a shape retaining member provided on the suction cup body and having elasticity for restoring, when the suction cup body is deformed, the suction cu
Disclosed herein is a suction cup, including: a suction cup body formed from gel and having at least one flat or convex face serving as a suction face; a shape retaining member provided on the suction cup body and having elasticity for restoring, when the suction cup body is deformed, the suction cup body so as to restore an original shape; and a center stem connected to the suction cup body and projecting from a portion of the suction cup body positioned remotely from a location of the suction cup body at which the suction face is provided in a direction intersecting with the center of the suction face.
대표청구항▼
1. A suction cup, comprising: a suction cup body made of gel and having a face serving as a suction face, said suction cup body being deformable between a non-attached state and an attached state;a shape retaining member embedded inside of said suction cup body and having elasticity for restoring sa
1. A suction cup, comprising: a suction cup body made of gel and having a face serving as a suction face, said suction cup body being deformable between a non-attached state and an attached state;a shape retaining member embedded inside of said suction cup body and having elasticity for restoring said suction cup body to said non-attached state after being deformed to said attached state; anda center stem connected to said suction cup body and projecting from a portion of said suction cup body positioned at a distance from a center of said suction face, whereinsaid shape retaining member is formed from a net-like member formed from thin wires member having elasticity and braided into a net of a shape corresponding to a shape of said suction face. 2. The suction cup according to claim 1, wherein said shape retaining member is made of a metal material, a carbon material or a fiber-reinforced plastic material. 3. The suction cup according to claim 1, wherein said shape retaining member has a central portion positioned at a central portion of said suction cup body, and an annular portion positioned at a remaining annular portion of said suction cup body other than the central portion of said suction cup body. 4. The suction cup according to claim 1, wherein said center stem is made of a hard synthetic resin material or a metal material. 5. The suction cup according to claim 1, wherein: said suction cup body includes a back face positioned at a distance from said suction face and having a profile corresponding to said suction face; andsaid center stem is connected to said shape retaining member and extends in a direction away from said back face along a thickness direction of said suction face from a central portion of said back face. 6. The suction cup according to claim 5, wherein: said center stem includes a flange provided at a base end thereof and having a larger diameter than said center stem; andsaid shape retaining member is connected to said center stem at said flange. 7. The suction cup according to claim 1, wherein said suction cup body includes a back face positioned remotely from said suction face and having a profile corresponding to said suction face,said center stem extends in a direction away from said back face along a thickness direction of said suction face from a central portion of said back face,said center stem includes a base end connected to said shape retaining member, andthe base end of said center stem and said shape holding member are attached to a back face of said suction cup body. 8. The suction cup according to claim 1, wherein said gel is transparent. 9. The suction cup according to claim 8, wherein said gel is colored. 10. A suction cup device, comprising: a suction cup;an attaching base; anda displacement mechanism;said suction cup including:a suction cup body made of gel and having a face serving as a suction face, said suction cup body being deformable between a non-attached state and an attached state;a shape retaining member embedded inside of said suction cup body and having elasticity for restoring said suction cup body to said non-attached state after being deformed to said attached state; anda center stem connected to said suction cup body and projecting from a portion of said suction cup body positioned at a distance from a center of said suction face, whereinsaid attaching base includes an attaching portion to which an article is attached, and a contacting portion contacting an outer circumferential portion of a back face of said suction cup body or an attaching object face to which said suction face is attracted on an outer side thereof with respect to the back face,said displacement mechanism is provided between said attaching base and said center stem in such a manner as to displace said center stem in a direction away from said suction face in a state such that said suction face closely contacts the attaching object face and said contracting portion contacts the outer circumferential portion of the back face of said suction cup body or with the attaching object face to which said suction face is attracted on the outer side with respect to the back face, andsaid shape retaining member is formed from a net-like member formed from thin wires having elasticity and braided into a net of a shape corresponding to a shape of said suction face, and said center stem is connected to said shape retaining member. 11. The suction cup according to claim 6, further comprising: a rigid attaching base including a concave surface, a convex surface, and a guide hole between the concave and the convex surfaces, anda lock lever including a handle and a cam, whereinsaid center stem protrudes through the guide hole, and moves in the guide hole between first and second positions respectively corresponding to the non-attached and attached states, such that the suction cup body is positioned on a side of the base corresponding to the concave surface, andthe lock lever is rotationally connected to said center stem on a side of the base corresponding to the convex surface, such that the cam of the lock lever pivots between locking positions causes the lock lever to lock said center stem in the first position and to lock said center stem in the second position, such that a rotational force on the handle of the lock lever moves the center stem from the first position to the second position and an opposing rotational force moves the center stem from the second position to the first position. 12. The suction cup according to claim 11, wherein the cam contacts the convex surface of the base when the center stem is in the first position and when the center stem is in the second position. 13. The suction cup according to claim 12, wherein the handle does not contact the convex surface of the base when the center stem is in the first position and contacts the convex surface of the base when the center stem is in the second position. 14. The suction cup according to claim 1, wherein said shape retaining member is elastically deformable, elastically bends and flexes to a deformed shape when the suction cup body is deformed to the attached state, and returns to an original shape when the suction cup body is restored to the non-attached state.
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