Locking chuck jaws
AssigneeJacobs Chuck Manufacturing Company
InventorsGary L. Young, Barry G. Massey
Life of this patent
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Abstract
A jaw for use in a drill chuck having a longitudinal center axis, comprising a chuck body which includes a jaw face formed on an inner surface of the chuck body and a plurality of teeth formed on an outer surface of the chuck body, the jaw face being substantially parallel to the longitudinal center axis. A ridge depends inwardly from the jaw face toward the longitudinal center axis. The ridge includes a tool engaging surface that is substantially parallel to the longitudinal center axis and has a width of between 0.020 to 0.060 inches.
Claims15
A jaw for use in securing a shank of a tool in a drill chuck having a longitudinal center axis, comprising:
- a body including a jaw face formed on an inner surface of the body and a plurality of teeth formed on an outer surface of the body, the jaw face being substantially planar and parallel to the longitudinal center axis;
- and
- a ridge depending inwardly from the jaw face toward the longitudinal center axis, the ridge including a tool engaging surface that is substantially planar and parallel to both the jaw face and the longitudinal center axis and has a width of between 0.020 to 0.060 inches,
- wherein only the tool engaging surface engages the shank of the tool when the tool is secured in the chuck.
A jaw for use in securing a shank of a tool in a drill chuck having a longitudinal center axis, comprising:
- a body including a jaw face formed on an inner surface of the body and a plurality of teeth formed on an outer surface of the body, the jaw face being substantially planar and parallel to the longitudinal center axis;
- and
- a ridge depending inwardly from the jaw face toward the longitudinal center axis, the ridge including a tool engaging surface that is planar and is parallel to both the jaw face and the longitudinal center axis,
- wherein only the tool engaging surface engages the shank of the tool when the tool is secured in the chuck.
Dependencies are inferred from the claim text.