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US 8,534,643 B2Granted
Welded hammer
AssigneeStanley Black & Decker, Inc.
InventorsKeith M. Lombardi, Joshua Brown, Karl Vanderbeek
Life of this patent
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Abstract
A hammer includes a handle and a head. The handle includes a bottom end and an upper end. The head is disposed on the upper end of the handle. The handle and the head are separately formed structures. The handle is formed from sheet metal.
Claims36
A hammer comprising:
- a handle having a bottom end and an upper end, the handle comprising a steel core portion and a manually engageable grip portion surrounding a part of the steel core portion, the grip portion comprising an elastomeric material, a rubber based material, or a plastic based material;
- and
- a steel head disposed on the upper end of the handle, the head having a steel bell portion and a steel claw portion,
- wherein a bell portion axis extends centrally through the bell portion,
- wherein a longitudinal axis of the hammer extends longitudinally through the handle,
- wherein the hammer has a first thickness defined as a maximum side-to-side thickness within a portion of the hammer disposed between:
- (a) an upper boundary defined by the bell portion axis, (b) a lower boundary disposed 60 mm below the bell portion axis, (c) a forward boundary disposed 5 mm forward of the longitudinal axis, and (d) a rearward boundary disposed 25 mm rearward of the longitudinal axis,
- wherein the hammer has a claw thickness defined as a maximum side-to-side thickness of the hammer within a portion of the hammer disposed above the bell portion axis and between a forward boundary disposed 5 mm forward of the longitudinal axis and a rearward boundary disposed 25 mm rearward of the longitudinal axis, and
- a ratio of the claw thickness to the first thickness is larger than 2.8.
6 more elements
A hammer comprising:
- a handle having a bottom end and an upper end, the handle comprising a steel core portion and a manually engageable grip portion surrounding a part of the steel core portion, the grip portion comprising an elastomeric material, a rubber based material, or a plastic based material;
- and
- a steel head disposed on the upper end of the handle, the head having a steel bell portion and a steel claw portion,
- wherein a bell portion axis extends centrally through the bell portion,
- wherein the bell portion has a maximum side-to-side bell portion width that is measured perpendicular to the bell portion axis,
- wherein a longitudinal axis of the hammer extends longitudinally through the handle,
- wherein the hammer has a first thickness defined as a maximum side-to-side thickness within a portion of the hammer disposed between:
- (a) an upper boundary defined by the bell portion axis, (b) a lower boundary disposed 60 mm below the bell portion axis, (c) a forward boundary disposed 5 mm forward of the longitudinal axis, and (d) a rearward boundary disposed 25 mm rearward of the longitudinal axis, and
- wherein a ratio of the maximum bell portion width to the first thickness of the hammer is larger than 4.6.
6 more elements
Dependencies are inferred from the claim text.