Chuck for chucking a small bit and table drill with the same
AssigneeDejun Zou
InventorDejun Zou
Life of this patent
Estimating the term…
Abstract
A chuck for holding a small bit and used with a table drill is provided for drilling a millipore. The chuck includes a holding jaw having four holders; a jaw-positioning guiding body with a square hole at the front portion for positioning the holding jaw; a crossing linkage for connecting the body to the jaw and having a crossing head and a project between which a groove is formed; a guiding jacket matched with the crossing linkage and the body; a positioning screw nut matched with the jaw-position guiding body; a screw collar matched with the crossing linkage; and a bevel gear housing housed around the screw collar for fixing it.
Claims14
A chuck for chucking a small bit comprising:
- a holding jaw comprising four holders;
- a jaw-positioning guiding body with a square hole at the front portion for positioning the holding jaw;
- a crossing linkage for connecting the jaw-positioning guiding body to the jaw, comprising a crossing head and a project between which a groove is formed;
- a guiding jacket matched with the crossing linkage and the jaw-positioning guiding body;
- a positioning screw nut matched with the jaw-position guiding body;
- a screw collar matched with the crossing linkage;
- and
- a bevel gear housing housed around the screw collar for fixing it.
A table drill for drilling a millipore comprises:
- a base;
- a column standing on the base;
- and
- a composite body arranged on the column, comprising a motor, a chuck for chucking a small twist dill, a drilling spindle, and controlling means for controlling the drilling spindle to move upwards and downwards and automatically adjusting the pressure applied to the bit.
Dependencies are inferred from the claim text.