Denture attachment
AssigneeAichi Steel Corporation
InventorsYoshinobu Honkura, Kazuo Arai
Life of this patent
Estimating the term…
Abstract
A dental attachment including a magnetic apparatus with magnetic attractive force, and a keeper that is attracted by the magnetic apparatus. The keeper has a convex shaped part with an attractive surface, and an end face provided around and protruding from the convex shaped part. The magnetic apparatus has a permanent magnet. The magnetic apparatus includes a magnetic assembly with an attractive surface and a non-magnetic guide ring made of non-magnetic material around the magnetic assembly. The non-magnetic guide ring has an end face. The non-magnetic guide ring and the attractive surface of the magnetic assembly form a concave part that receives the convex part of the keeper, and the end face of the keeper faces the end face of the non-magnetic guide ring.
Claims10
A dental attachment comprising:
- a magnetic apparatus with magnetic attractive force;
- and
- a keeper that is attracted by said magnetic apparatus, said keeper having a convex shaped part with an attractive surface, said keeper having an end face provided around and protruding from said convex shaped part,
- wherein said magnetic apparatus has a permanent magnet,
- wherein said magnetic apparatus comprises a magnetic assembly with an attractive surface and a non-magnetic guide ring made of non-magnetic material around said magnetic assembly, said non-magnetic guide ring having an end face, and
- wherein said non-magnetic guide ring and said attractive surface of said magnetic assembly form a concave part that receives said convex part of said keeper, said end face of said keeper facing said end face of said non-magnetic guide ring.
A dental attachment comprising:
- a keeper having a convex part;
- and
- a magnetic apparatus configured to be magnetically connected to said keeper, said magnetic apparatus comprising:
- a magnetic assembly including a yoke and a permanent magnet mounted to said yoke,
- a guide ring made of non-magnetic material, said guide ring being joined to said yoke to form a concave part that receives said convex part of said keeper,
- wherein said yoke and said guide ring are formed as separate components that are joined to each other.
A dental attachment comprising:
- a keeper having a convex part;
- and
- a magnetic apparatus configured to be magnetically connected to said keeper, said magnetic apparatus comprising:
- a magnetic assembly including a yoke and a permanent magnet mounted within a recess in said yoke,
- a guide ring made of non-magnetic material, said guide ring and said yoke forming a concave part that receives said convex part of said keeper,
- wherein said guide ring has an outer lateral surface with a concave recess.
Dependencies are inferred from the claim text.