Rotation tool
AssigneeSeiko Instruments Inc.
InventorsMakoto Suzuki, Jun Shinohara
Life of this patent
Estimating the term…
Abstract
The invention aims to provide a rotation tool enabling work without obstructing a view of an operator and facilitating fine-adjustment for the tool. A rotation tool includes a flexible shaft including a tool portion at one end and a grip portion at the other end; and a cylindrical exterior body including curved portion on at least a part thereof, wherein a spiral protrusion is formed on at least a part of the shaft and a spiral groove is formed on at least a part of the curved portion, and the shaft is configured to be movable inside the exterior body by screwing the spiral protrusion and the spiral groove to each other.
Claims12
A rotation tool comprising:
- a flexible shaft including a tool portion at one end and a grip portion at the other end;
- and
- a cylindrical exterior body including a curved portion on at least a part thereof, wherein
- a spiral protrusion is formed on at least a part of the shaft and a spiral groove is formed on at least a part of the curved portion, and the shaft is configured to be movable inside the exterior body by screwing the spiral protrusion and the spiral groove to each other, and
- wherein a pitch in the spiral groove increases as being far away from a center point of a curvature of the curved portion.
Dependencies are inferred from the claim text.