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US 8,997,608 B2Granted
Stud removal tool
AssigneeToolTech, LLC
InventorJake Merrick
Life of this patent
Estimating the term…
Abstract
An apparatus for removing a stud is described. The apparatus includes a housing, a cage and a canted coil spring. The housing has an interior sidewall with a three-lobed cam and a groove. Each lobe has a counterclockwise cam inner surface and a clockwise cam inner surface on the opposite side of the lobe center line. The cage has a top surface, a tapered terminus and a groove disposed between the top surface and the tapered terminus. The cage includes a plurality of jaws, in which the jaw outer cam surface of each jaw interfaces with the cam inner surface of the interior sidewall. The canted coil spring rotatably couples the cage to the housing. During stud removal, the housing rotates counterclockwise relative to the cage and the cage rotates counterclockwise to engage the stud.
Claims30
An apparatus for removing a stud, the apparatus comprising:
- a housing having a top end, a bottom end, and a middle section disposed between the top end and the bottom end, wherein the top end includes:
- a top surface having an orifice that extends through the top end;
- an interior sidewall that extends from the top surface to a lip, wherein the interior sidewall includes,
- a three-lobed cam disposed along the interior sidewall of the top end, wherein each lobe has a lobe center line and a counterclockwise cam inner surface on one side of the lobe center line and a clockwise cam inner surface on the opposite side of the lobe center line,
- a groove disposed between the top surface and the lip;
- a cage having a top surface, a bottom portion ending in a tapered terminus and a groove disposed between the top surface and the tapered terminus, the cage includes a plurality of jaws, in which each jaw includes,
- a jaw outer cam surface that is configured to interface with the cam inner surface corresponding to the interior sidewall;
- an inner frictional surface configured to interface with the stud;
- a canted coil spring configured to be received by the groove of the interior sidewall and the groove of the cage, wherein the canted coil spring is configured to rotatably couple the cage to the housing;
- the housing configured to rotate counterclockwise relative to the cage;
- the cage configured to rotate counterclockwise and engage the stud, the cage configured to interface with the interior sidewall;
- and
- the canted coil spring configured to operate within a constant deflection range, when an axial load is applied by the housing and cage.
10 more elements
An apparatus for removing a stud, the apparatus comprising:
- a housing having a top end, a bottom end, and a middle section disposed between the top end and the bottom end, wherein the top end includes:
- a top surface having an orifice that extends through the top end;
- an interior sidewall that extends from the top surface to a lip, wherein the interior sidewall includes,
- a lobed cam disposed along the interior sidewall of the top end, wherein each lobe has a lobe center line and a counterclockwise cam inner surface on one side of the lobe center line and a clockwise cam inner surface on the opposite side of the lobe center line,
- a groove disposed between the top surface and the lip;
- a cage having a top surface, a bottom portion ending in a tapered terminus and a groove disposed between the top surface and the tapered terminus, the cage includes a plurality of jaws, in which each jaw includes,
- a jaw outer cam surface that is configured to interface with the cam inner surface corresponding to the interior sidewall;
- an inner frictional surface configured to interface with the stud;
- a canted coil spring configured to be received by the groove of the interior sidewall and the groove of the cage, wherein the canted coil spring is configured to rotatably couple the cage to the housing;
- the housing configured to rotate counterclockwise relative to the cage;
- the cage configured to rotate counterclockwise and engage the stud, the cage configured to interface with the interior sidewall;
- and
- the canted coil spring configured to operate within a constant deflection range, when an axial load is applied by the housing and cage.
10 more elements
An apparatus for removing a stud, the apparatus comprising:
- a housing having a top end, a bottom end, and a middle section disposed between the top end and the bottom end, wherein the top end includes:
- a top surface having an orifice that extends through the top end;
- an interior sidewall that extends from the top surface to a lip, wherein the interior sidewall includes,
- a three-lobed cam disposed along the interior sidewall of the top end, wherein each lobe has a lobe center line and a counterclockwise cam inner surface on one side of the lobe center line and a clockwise cam inner surface on the opposite side of the lobe center line,
- a groove disposed between the top surface and the lip;
- a cage having a top surface, a bottom portion ending in a tapered terminus and a groove disposed between the top surface and the tapered terminus, the cage includes a plurality of jaws, in which each jaw includes,
- a jaw outer cam surface that is configured to interface with the cam inner surface corresponding to the interior sidewall;
- an inner frictional surface configured to interface with the stud;
- a means for fastening the cage within the housing;
- the housing configured to rotate counterclockwise relative to the cage;
- the cage configured to rotate counterclockwise and engage the stud, the cage configured to interface with the interior sidewall.
8 more elements
Dependencies are inferred from the claim text.