Roller wrench
AssigneeKabo Tool Company
InventorChih-Ching Hsieh
Life of this patent
Estimating the term…
Abstract
The invention relates to a roller wrench comprising: a body with a circular chamber; a driving member being a regular polygonal component capable of rotating in the chamber; and a plurality of rollers installed in the chamber, Each of the rollers is located between a side of the driving member and a peripheral wall of the chamber; one end of each of the rollers is pivotally connected to an end surface of a reversing knob, so that the reversing knob drives the rollers to displace simultaneously. Thereby, the components of the roller wrench can be effectively latched with one another, and a torque value of the roller wrench will not be reduced.
Claims8
A roller wrench comprising:
- a body with a head, a circular chamber being disposed in the head;
- a driving member being a regular polygonal component with a plurality of sides, the driving member being installed in the chamber of the head and capable of rotating in the chamber;
- a plurality of rollers with a quantity the same as a quantity of the sides of the driving member, the rollers being installed in the chamber and respectively located between the sides of the driving member and a peripheral wall of the chamber;
- and
- a reversing knob rotatably installed on the head, the reversing knob being capable of driving the rollers to move in the chamber, so that each of the rollers moving between one edge and another edge of each of the sides of the driving member;
- wherein the rollers are arranged in a circle at equal intervals, and one end of each of the rollers is rotatably pivotally connected to one end surface of the reversing knob;
- when the reversing knob is rotated, the reversing knob drives the rollers to displace;
- wherein one end of each of the rollers is pivotally connected to the reversing knob with a pivot shaft.
Dependencies are inferred from the claim text.