Wrist ball
OwnerChien-Der Lininventor
Life of this patent
Estimating the term…
Abstract
A wrist ball comprises a lower shell and an upper shell which is joined with the top of the lower shell. The lower shell is provided therein with a bracing ring and a rotary member. The upper shell is provided at the top thereof with a round opening. The rotary member is provided in the periphery thereof with a groove which is in turn provided with a first engaging portion. The round opening of the upper shell is sealed off by a cap which is provided with two through holes for receiving a pull member. The pull member has a rod portion which is provided with a second engaging portion that is engaged with the first engaging portion of the rotary member. The rotary member is actuated by the pull member to rotate.
Claims6
A wrist ball comprising:
- a lower shell of a semispherical shape and provided therein with a receiving space, said lower shell having an open top;
- a bracing ring engaged in the lower shell;
- a rotary member rotatably engaged to said bracing ring and provided in a periphery thereof with a groove;
- an upper shell of a semispherical shape having an open bottom for joining with said open top of said lower shell, said upper shell provided at a top thereof with a round opening;
- wherein said groove of said rotary member is provided with a first engaging portion of a serrated construction;
- wherein said round opening of said upper shell is sealed by a cap engaged to the upper shell in the round opening, said cap provided with two through holes opposite in location to each other;
- a pull member comprising a rod portion having a second engaging portion of a serrated construction;
- said rod portion being received in said two through holes of said cap such that said second engaging portion is engageble with said first engaging portion of said rotary member;
- wherein when said pull member is engaged to the rotary member and pulled through the two through holes, the rotary member is actuated.
A wrist ball comprising:
- a lower shell of a semispherical shape and provided therein with a receiving space, said lower shell having an open top;
- a bracing ring engaged in the lower shell;
- a rotary member rotatably engaged to said bracing ring and provided in a periphery thereof with a groove;
- an upper shell of a semispherical shape having an open bottom for joining with said open top of said lower shell, said upper shell provided at a top thereof with a round opening;
- wherein said groove of said rotary member is provided with a first engaging portion of a serrated construction;
- wherein said round opening of said upper shell is sealed by a cap engaged to the upper shell in the round opening, said cap provided with a slot;
- a pull member comprising a rod portion having a second engaging portion of a serrated construction;
- said rod portion being received in said slot of said cap such that said second engaging portion is engagable with said first engaging portion of said rotary member;
- wherein when said pull member is engaged to the rotary member and pulled through the slot, the rotary member is actuated.
Dependencies are inferred from the claim text.