Sleeve with adaptable hole
OwnerChih-Ching Hsiehinventor
Life of this patent
Estimating the term…
Abstract
A sleeve with an adaptable hole comprises a sleeve body; a hole being formed at one end of the sleeve body; the hole having a plurality of concave cambered surface; for each two adjacent concave cambered surfaces, there are two convex cambered surfaces; a sharp pit being formed between the two convex cambered surfaces. Or at least one auxiliary resisting surface is installed between two adjacent concave cambered surfaces. The auxiliary resisting surface has one smooth surface facing a center of the hole. For each two adjacent concave cambered surfaces with the auxiliary resisting surface therebetween, there are two convex cambered surfaces; a sharp pit being formed between the two convex cambered surfaces.
Claims2
A sleeve with an adaptable hole comprising:
- a sleeve body;
- a hole formed at one end of the sleeve body;
- the hole having a plurality of concave cambered surfaces;
- for each two adjacent concave cambered surfaces, there are two convex cambered surfaces;
- a sharp pit being formed between the two convex cambered surfaces.
A sleeve with an adaptable hole comprising:
- a sleeve body;
- a hole formed at one end of the sleeve body;
- the hole having a plurality of concave cambered surfaces;
- at least one auxiliary resisting surface installed between two adjacent concave cambered surfaces;
- the auxiliary resisting surface having one smooth surface facing a center of the hole;
- and
- for each two adjacent concave cambered surfaces with the auxiliary resisting surface therebetween, there are two convex cambered surfaces;
- and a sharp pit being formed between the two convex cambered surfaces.
Dependencies are inferred from the claim text.