Self-contained finger sleeve

1. A self-contained finger sleeve, characterized by being made of an elastic material, and comprising a cover ( 1 ), a thumb pocket ( 2 ), and a four-finger pocket ( 3 );

wherein the cover ( 1 ) has an opening ( 11 ), the four-finger pocket ( 3 ) has a pocket opening ( 33 ), and the thumb pocket ( 2 ) also has a pocket opening ( 22 ); an edge of the pocket opening ( 33 ) of the four-finger pocket ( 3 ) is connected to an edge of the opening ( 11 ) of the cover ( 1 ); and an opposite edge of the pocket opening ( 33 ) of the four-finger pocket ( 3 ) is connected to an edge of the pocket opening ( 22 ) of the thumb pocket ( 2 ) via a U-shaped connecting strap ( 4 );

the opening ( 11 ) of the cover ( 1 ) has a shape that corresponds to a shape of the pocket opening ( 33 ) of the four-finger pocket ( 3 );

in a self-contained condition of the self-contained finger sleeve, the opening ( 11 ) of the cover ( 1 ) and the pocket opening ( 33 ) of the four-finger pocket ( 3 ) face towards each other such that interior of the cover ( 1 ) and interior of the four-finger pocket ( 3 ) are in communication with each other to define a storing space ( 133 ), and the thumb pocket ( 2 ) and the U-shaped connecting strap ( 4 ) are positioned in the storing space ( 133 ) and enclosed by the cover ( 1 ) and the four-finger pocket ( 3 );

in an unfolded condition of the self-contained finger sleeve, the four-finger pocket ( 3 ) is flipped inside out, and the pocket opening ( 33 ) of the four-finger pocket ( 3 ) after being flipped inside out is misaligned with the opening ( 11 ) of the cover and positioned at a rear surface of the cover ( 1 ); also, the thumb pocket ( 2 ) is exposed from the storing space ( 133 ) and positioned on one side of the four-finger pocket ( 3 ) flipped inside out; with the four-finger pocket ( 3 ) and the thumb pocket ( 2 ) connected via the U-shaped connecting strap ( 4 ), the thumb pocket ( 2 ) and the four-finger pocket ( 3 ) flipped inside out form an ergonomic finger sleeve ( 333 ).

2. The self-contained finger sleeve of claim 1 , wherein the cover ( 1 ), the four-finger pocket ( 3 ), the U-shaped connecting strap ( 4 ), and the thumb pocket ( 2 ) are integrally connected in sequence.

3. The self-contained finger sleeve of claim 1 , wherein an outer contour of the cover ( 1 ) and an outer contour of the four-finger pocket ( 3 ) are supported by shaping frames ( 5 ) positioned at framing edges ( 55 ) of a front surface of the cover ( 1 ), framing edges ( 66 ) of the rear surface of the cover ( 1 ), framing edges ( 77 ) of a front surface of the four-finger pocket ( 3 ), and framing edges ( 88 ) of a rear surface of the four-finger pocket ( 3 ) respectively; when the self-contained finger sleeve is in the self-contained condition where the front surface of the cover ( 1 ) aligns with the front surface of the four-finger pocket ( 3 ), and the rear surface of the cover ( 1 ) aligns with the rear surface of the four-finger pocket ( 3 ), the shaping frames ( 5 ) of the cover ( 1 ) align with the shaping frames ( 5 ) of the four-finger pocket ( 3 ) so that the self-contained finger sleeve in said self-contained condition has a shape of a rectangle when viewing from both a front surface and a rear surface of the self-contained finger sleeve.

4. The self-contained finger sleeve of claim 3 , wherein the self-contained finger sleeve in said self-contained condition has the shape of a rounded-corner rectangle when viewing from both the front surface and the rear surface of the self-contained finger sleeve, where four corners of the rounded-corner rectangle are rounded corners.

5. The self-contained finger sleeve of claim 1 , wherein two ends of a connecting portion between the cover ( 1 ) and the four-finger pocket ( 3 ) are formed as arcs ( 6 ) respectively.

6. The self-contained finger sleeve of claim 1 , wherein a fixing structure ( 7 ) is provided between the cover ( 1 ) and the four-finger pocket ( 3 ) to fix the cover ( 1 ) and the four-finger pocket ( 3 ) together when the self-contained finger sleeve is in the self-contained condition.

7. The self-contained finger sleeve of claim 6 , wherein the fixing structure ( 7 ) is a fastening structure.

8. The self-contained finger sleeve of claim 1 , wherein the four-finger pocket ( 3 ) is a single pocket, configured to accommodate an index finger, a middle finger, a ring finger and a little finger of a user's hand.

9. The self-contained finger sleeve of claim 1 , wherein when the self-contained finger sleeve is in said unfolded condition where the thumb pocket ( 2 ) and the four-finger pocket ( 3 ) flipped inside out form the ergonomic finger sleeve ( 333 ), an inner side surface of the four-finger pocket ( 3 ) flipped inside out corresponding to where the four-finger pocket is grabbed and held is integrally provided with an anti-slippery protrusion.

10. The self-contained finger sleeve of claim 1 , wherein the elastic material is silicone or rubber.