Hand tool connection and trim collar therefor

Claim 2

A hand tool for percussive use comprising a tool head having a striking surface, an axis of percussion extending through said head from said striking surface and a handle-receiving eye spaced from said striking surface and extending entirely through said head along an axis normal to the axis of percussion, said eye having an entrance end and an outer end; a reinforced fiber handle having a portion positioned within the eye a sufficient distance to intersect said axis of percussion and extending outwardly from the entrance end of the eye, said handle portion being free of direct contact with the tool head to provide an annular space extending fully around the handle and axially along the handle between the handle portion and the tool head; a preformed annular trim collar sealably interconnecting the handle and the tool head at the entrance end of the eye comprised of an exposed trim portion and a concealed plug portion having substantially the same cross-sectional dimension as the annular space and being disposed within the space to effectively seal the space at the entrance end of the eye, said plug portion being of sufficient length to facilitate initial handle alignment and retention in said alignment upon mounting in said eye yet of an insufficient length to extend through the axis of percussion and being held in position by a force fit interconnection with the tool head within the eye, said trim portion including an outwardly projecting shoulder for engaging the tool head adjacent the periphery of the eye at the entrance end thereof and a tapered exterior trim surface extending from the shoulder toward the handle; and an impact resistant resin disposed within said annular space at said axis or percussion for bondably joining said head, said handle and said trim collar.

Claim 3

The hand tool of claim 1 wherein the trim collar includes a plurality of integral handle-aligning legs extending inwardly of the entrance end of the eye from the plug portion, said legs being spaced around the handle for secure aligning engagement therewith.

Claim 4

The hand tool of claim 1 wherein the handle-receiving eye is of generally rectangular cross-section and is defined by opposed walls extending axially from the entrance end of the eye in substantial parallelism for a distance insufficient to reach the axis of percussion of the tool head and diverging toward the outer end as they intersect the axis of percussion, said handle portion being of generally rectangular cross-section and said plug portion including a plurality of integral aligning legs extending inwardly of the entrance end of the eye and engaging the handle and the walls of the eye at diagonally spaced corners thereof.

Claim 5

The hand tool of claim 1 wherein the handle is a reinforced glass fiber rod of uniform generally rectangular cross-section throughout its length and the trim collar is provided with integral upstanding alignment legs engaging the corners of the handle.

Claim 6

A hand tool for percussive use comprising a tool head having a striking surface, an axis of percussion extending through said head from said striking surface and a handle-receiving eye spaced from said striking surface and extending through said head along an axis normal to the axis of percussion; a handle having a portion positioned within the eye a sufficient distance to intersect said axis of percussion, said handle portion being free of direct contact with the tool head to provide an annular space extending fully around the handle between the handle portion and the tool head; a preformed annular trim collar sealably interconnecting the handle and the tool head comprised of an exposed trim portion and a concealeD plug portion having substantially the same cross-sectional dimension as the annular space and being disposed within the space, said plug portion being of sufficient length to facilitate initial handle alignment and retention in said alignment upon mounting in said eye yet of an insufficient length to extend through the axis of percussion and being held in position by a force fit interconnection with the handle portion and tool head within the eye, said trim portion engaging the tool head adjacent the periphery of the eye at the end thereof; and an impact resistant resin disposed within said annular space at said axis of percussion for bondably joining said head and said handle.

Claim 7

A hand tool for percussive use comprising a tool head having a striking surface, an axis of percussion extending through said head from said striking surface and a handle-receiving eye spaced from said striking surface and extending through said head along an axis normal to the axis of percussion; a handle having a portion positioned within the eye a sufficient distance to intersect said axis of percussion, said handle portion being free of direct contact with the tool head to provide an annular space extending fully around the handle between the handle portion and the tool head; a preformed annular trim collar sealably interconnecting the handle and the tool head comprised of an exposed trim portion and a concealeD plug portion having substantially the same cross-sectional dimension as the annular space and being disposed within the space, said plug portion being of sufficient length to facilitate initial handle alignment and retention in said alignment upon mounting in said eye yet of an insufficient length to extend through the axis of percussion and being held in position by a force fit interconnection with the handle portion and tool head within the eye, said trim portion engaging the tool head adjacent the periphery of the eye at the end thereof; and an impact resistant resin disposed within said annular space at said axis of percussion for bondably joining said head and said handle.

Claim 8

A hand tool for percussive use comprising a tool head having a striking surface, an axis of percussion extending through said head from said striking surface and a handle-receiving eye spaced from said striking surface and extending entirely through said head along an axis normal to the axis of percussion, said eye having an entrance end and an outer end; a reinforced fiber handle having a portion positioned within the eye a sufficient distance to intersect said axis of percussion and extending outwardly from the entrance end of the eye, said handle portion being free of direct contact with the tool head to provide an annular space extending fully around the handle and axially along the handle between the handle portion and the tool head; a preformed annular trim collar sealably interconnecting the handle and the tool head at the entrance end of the eye comprised of an exposed trim portion and a concealed plug portion having substantially the same cross-sectional dimension as the annular space and being disposed within the space to effectively seal the space at the entrance end of the eye, said plug portion being of an insufficient length to extend through the axis of percussion and being held in position by a force fit interconnection with the tool head within the eye, said trim portion including an outwardly projecting shoulder for engaging the tool head adjacent the periphery of the eye at the entrance end thereof and a tapered exterior trim surface extending from the shoulder toward the handle; and an impact resistant resin disposed within said annular space at said axis of percussion for bondably joining said head, said handle and said trim collar of said tool including noncrushable filler means disposed within the annular space and intersecting the axis of percussion, said filler means being bondably retained by the impact resistant resin and enhancing the durability of the tool under compression load conditions.

Claim 9

A hand tool for percussive use comprising a tool head having a striking surface, an axis of percussion extending through said head from said striking surface and a handle-receiving eye spaced from said striking surface and extending entirely through said head along an axis normal to the axis of percussion, said eye having an entrance end and an outer end; a reinforced fiber handle having a portion positioned within the eye a sufficient distance to intersect said axis of percussion and extending outwardly from the entrance end of the eye, said handle portion being free of direct contact with the tool head to provide an annular space extending fully around the handle and axially along the handle between the handle portion and the tool head; a preformed annular trim collar sealably interconnecting the handle and the tool head at the entrance end of the eye comprised of an exposed trim portion and a concealed plug portion having substantially the same cross-sectional dimension as the annular space and being disposed within the space to effectively seal the space at the entrance end of the eye, said plug portion being of an insufficient length to extend through the axis of percussion and being held in position by a force fit interconnection with the tool head within the eye, said trim portion including an outwardly projecting shoulder for engaging the tool head adjacent the periphery of the eye at the entrance end thereof and a tapered exterior trim surface extending from the shoulder toward the handle; and an impact resistant resin disposed within said annular space at said axis of percussion for bondably joining said head, said handle and said trim collar of said tool including noncrushable filler means disposed within the annular space and intersecting the axis of percussion, said filler means being bondably retained by the impact resistant resin and enhancing the durability of the tool under compression load conditions.

Claim 10

A hand tool for percussive use comprising a tool head having a striking surface, an axis of percussion extending through said head from said striking surface and a handle-receiving eye spaced from said striking surface and extending entirely through said head along an axis normal to the axis of percussion, said eye having an entrance end and an outer end; a reinforced fiber handle having a portion positioned within the eye a sufficient distance to intersect said axis of percussion and extending outwardly from the entrance end of the eye, said handle portion being free of direct contact with the tool head to provide an annular space extending fully around the handle and axially along the handle between the handle portion and the tool head; a preformed annular trim collar sealably interconnecting the handle and the tool head at the entrance end of the eye comprised of an exposed trim portion and a concealed plug portion having substantially the same cross-sectional dimension as the annular space and being disposed within the space to effective seal the space at the entrance end of the eye, said plug portion being of an insufficient length to extend through the axis of percussion and being held in position by a force fit interconnection with the tool head within the eye, said trim portion including an outwardly projecting shoulder for engaging the tool head adjacent the peripHery of the eye at the entrance end thereof and a tapered exterior trim surface extending from the shoulder toward the handle; and an impact resistant resin disposed within said annular space at said axis of percussion for bondably joining said head, said handle and said trim collar said trim collar being a plastic material and the said plug portion being provided with laterally extending recesses, said resin being received within said recesses for interlocking the trim collar thereto.

Claim 11

A hand tool for percussive use comprising a tool head having a striking surface, an axis of percussion extending through said head from said striking surface and a handle-receiving eye spaced from said striking surface and extending entirely through said head along an axis normal to the axis of percussion, said eye having an entrance end and an outer end; a reinforced fiber handle having a portion positioned within the eye a sufficient distance to intersect said axis of percussion and extending outwardly from the entrance end of the eye, said handle portion being free of direct contact with the tool head to provide an annular space extending fully around the handle and axially along the handle between the handle portion and the tool head; a preformed annular trim collar sealably interconnecting the handle and the tool head at the entrance end of the eye comprised of an exposed trim portion and a concealed plug portion having substantially the same cross-sectional dimension as the annular space and being disposed within the space to effective seal the space at the entrance end of the eye, said plug portion being of an insufficient length to extend through the axis of percussion and being held in position by a force fit interconnection with the tool head within the eye, said trim portion including an outwardly projecting shoulder for engaging the tool head adjacent the peripHery of the eye at the entrance end thereof and a tapered exterior trim surface extending from the shoulder toward the handle; and an impact resistant resin disposed within said annular space at said axis of percussion for bondably joining said head, said handle and said trim collar said trim collar being a plastic material and the said plug portion being provided with laterally extending recesses, said resin being received within said recesses for interlocking the trim collar thereto.

Claim 12

A hand tool for percussive use comprising a tool head having a striking surface, an axis of percussion extending through said head from said striking surface and a handle-receiving eye spaced from said striking surface and extending entirely through said head along an axis normal to the axis of percussion, said eye having an entrance end and an outer end; a reinforced fiber handle having a portion positioned within the eye a sufficient distance to intersect said axis of percussion and extending outwardly from the entrance end of the eye, said handle portion being free of direct contact with the tool head to provide an annular space extending fully around the handle and axially along the handle between the handle portion and the tool head; a preformed annular trim collar sealably interconnecting the handle and the tool head at the entrance end of the eye comprised of an exposed trim portion and a concealed plug portion having substantially the same cross-sectional dimension as the annular space and being disposed within the space to effective seal the space at the entrance end of the eye, said plug portion being of an insufficient length to extend through the axis of percussion and being held in position by a force fit interconnection with the tool head within the eye, said trim portion including an outwardly projecting shoulder for engaging the tool head adjacent the periphery of the eye at the entrance end thereof and a tapered exterior trim surface extending from the shoulder toward the handle; and an impact resistant resin disposed within said annular space at said axis of percussion for bondably joining said head, said handle and said trim collar said tool including wedge-shaped metal fillers, the eye in the tool head diverging toward the outer end thereof, the fillers having a greater taper than the gap defined by the handle portion and the eye whereby the innermost end of the fillers are spaced from the handle portion and the tool head and the resin is disposed therein.

Claim 13

A hand tool for percussive use comprising a tool head having a striking surface, an axis of percussion extending through said head from said striking surface and a handle-receiving eye spaced from said striking surface and extending entirely through said head along an axis normal to the axis of percussion, said eye having an entrance end and an outer end; a reinforced fiber handle having a portion positioned within the eye a sufficient distance to intersect said axis of percussion and extending outwardly from the entrance end of the eye, said handle portion being free of direct contact with the tool head to provide an annular space extending fully around the handle and axially along the handle between the handle portion and the tool head; a preformed annular trim collar sealably interconnecting the handle and the tool head at the entrance end of the eye comprised of an exposed trim portion and a concealed plug portion having substantially the same cross-sectional dimension as the annular space and being disposed within the space to effective seal the space at the entrance end of the eye, said plug portion being of an insufficient length to extend through the axis of percussion and being held in position by a force fit interconnection with the tool head within the eye, said trim portion including an outwardly projecting shoulder for engaging the tool head adjacent the periphery of the eye at the entrance end thereof and a tapered exterior trim surface extending from the shoulder toward the handle; and an impact resistant resin disposed within said annular space at said axis of percussion for bondably joining said head, said handle and said trim collar said tool including wedge-shaped metal fillers, the eye in the tool head diverging toward the outer end thereof, the fillers having a greater taper than the gap defined by the handle portion and the eye whereby the innermost end of the fillers are spaced from the handle portion and the tool head and the resin is disposed therein.

Claim 14

A hand tool for percussive use comprising a tool head having a striking surface, an axis of percussion extending through said head from said striking surface and a handle-receiving eye spaced from said striking surface and extending entirely through said head along an axis normal to the axis of percussion, said eye having an entrance end and an outer end; a reinforced fiber handle having a portion positioned within the eye a sufficient distance to intersect said axis of percussion and extending outwardly from the entrance end of the eye, said handle portion being free of direct contact with the tool head to provide an annular space extending fully around the handle and axially along the handle between the handle portion and the tool head; a preformed annular trim collar sealably interconnecting the handle and the tool head at the entrance end of the eye comprised of an exposed trim portion and a concealed plug portion having substantially the same cross-sectional dimension as the annular space and being disposed within the space to effective seal the space at the entrance end of the eye, said plug portion being of an insufficient length to extend through the axis of percussion and being held in position by a force fit interconnection with the tool head within the eye, said trim portion including an outwardly projecting shoulder for engaging the tool head adjacent the periphery of the eye at the entrance end thereof and a tapered exterior trim surface extending from the shoulder toward the handle; and an impact resistant resin disposed within said annular space at said axis of percussion for bondably joining said head, said handle and said trim collar said trim collar being a plastic material and being provided with laterally extending recesses adapted to assist in mechanically interlocking the trim collar within the eye of the tool head.

Claim 15

A hand tool for percussive use comprising a tool head having a striking surface, an axis of percussion extending through said head from said striking surface and a handle-receiving eye spaced from said striking surface and extending entirely through said head along an axis normal to the axis of percussion, said eye having an entrance end and an outer end; a reinforced fiber handle having a portion positioned within the eye a sufficient distance to intersect said axis of percussion and extending outwardly from the entrance end of the eye, said handle portion being free of direct contact with the tool head to provide an annular space extending fully around the handle and axially along the handle between the handle portion and the tool head; a preformed annular trim collar sealably interconnecting the handle and the tool head at the entrance end of the eye comprised of an exposed trim portion and a concealed plug portion having substantially the same cross-sectional dimension as the annular space and being disposed within the space to effective seal the space at the entrance end of the eye, said plug portion being of an insufficient length to extend through the axis of percussion and being held in position by a force fit interconnection with the tool head within the eye, said trim portion including an outwardly projecting shoulder for engaging the tool head adjacent the periphery of the eye at the entrance end thereof and a tapered exterior trim surface extending from the shoulder toward the handle; and an impact resistant resin disposed within said annular space at said axis of percussion for bondably joining said head, said handle and said trim collar said trim collar being a plastic material and being provided with laterally extending recesses adapted to assist in mechanically interlocking the trim collar within the eye of the tool head.