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US 9,802,304 B2Granted
Aluminum striking tools
AssigneeEstwing Manufacturing Company
InventorsJoshua D. West, Steven L. Flosi, John W. Ryan, Jr.
Life of this patent
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Abstract
Striking tools are disclosed that include an aluminum head. Striking surfaces may be securely attached to the head by a bushing or other means. In this way, light weight striking tools may be made with greater durability.
Claims20
A striking tool, comprising:
- a handle with a first end and a second end;
- an aluminum head disposed on the second end, the aluminum head comprising an aluminum post, the post having an end face;
- and
- a steel cap having a first side and a second side opposite the first side, the first side comprising a striking surface, the second side having an annular surface about an opening of a cavity, wherein a portion of the cavity is defined by a mounting surface,
- wherein a portion of the post is received in the cavity of the cap and in contact with the mounting surface to permanently affix the cap to the post via a friction fit,
- wherein a first void space is within the cavity between the end face of the post and the cap, and wherein a second void space is between the annular surface and the aluminum head, and
- wherein a side surface of the portion of the post is tapered at an angle of less than 10 degrees relative to a longitudinal axis of the post such that the portion of the post has a first circumference and a second circumference, the second circumference less than the first circumference and the second circumference closer to the end face than the first circumference.
4 more elements
A hammer, comprising:
- an aluminum head comprising a post, the post having a tapered portion and a first end face, the tapered portion of the post having a circular cross sectional shape;
- and
- a steel cap including an end wall and a sidewall extending from the end wall, the end wall and the sidewall defining a cavity, wherein the tapered portion is received in the cavity such that the sidewall is permanently affixed to the tapered portion via a friction fit without a bushing, and a first void space exists between the end wall and the first end face, and a second void space exists between a second end face of the sidewall and the aluminum head,
- wherein the tapered portion has a first circumference and a second circumference less than the first circumference, the second circumference being closer to the first end face of the post than the first circumference.
1 more element
A striking tool, comprising:
- a handle with a first end and a second end;
- an aluminum head disposed on the second end and comprising a post having an end face and a hollow portion, the head integrally formed with the handle;
- a cap having a first end and a second end opposite the first end, the first end including a striking surface, the cap surrounding a portion of the post and secured to the post via a friction fit, wherein a first void space is formed between the end face of the post and the cap, and a second void space is formed between the second end of the cap and the aluminum head;
- and
- a claw attached to the aluminum head and spaced apart from the cap, the claw being a material different than the aluminum head,
- wherein the striking tool is adapted to withstand up to 50,000 blows of the striking surface against a surface having a hardness of HRC 40 delivered with a torque of 60 in-lbs at the head.
3 more elements
Dependencies are inferred from the claim text.