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US 7,726,173 B2Granted
Hammer for a Charpy pendulum
AssigneeCEAST S.p.A.
InventorsStefano Vergano, Flavio Cometti
Life of this patent
Estimating the term…
Abstract
A hammer for a Charpy pendulum, comprising a body including a head and an arm, wherein the arm is equipped with a portion for attachment to an end opposite to that of the head and wherein the head has a general C-shape, with a concave part in which an area of impact is situated. The arm and the head of said body are obtained in a monolithic form by perimetral cutting of a plane plate.
Claims19
A hammer for a Charpy pendulum, the hammer comprising:
- a body including a head and an arm, wherein the arm is equipped with a portion for attachment to an end opposite to that of the head and wherein the head has a general C-shape, with a concave part situated in which is an area of impact, wherein the arm and the head of said body are obtained in a monolithic form by means of perimetral cutting of a plane plate and;
- a percussion member connected to the concave part of the head by at least one attachment member.
A hammer configured to be mounted on a shaft of a Charpy pendulum, the hammer comprising:
- a body having a head portion, an arm portion and an attachment portion, wherein the head includes a concave part that defines an area of impact and wherein the attachment portion is configured to mate with a portion of the shaft and the attachment portion includes a through hole with an open edge having a width smaller than the diameter of the hole;
- and
- a first pair of weights positioned on the body on one side of the area of impact and a second pair of weights positioned on the body on another side of the area of impact.
Dependencies are inferred from the claim text.