A dead-blow hammer is a specialized mallet built to minimize damage to whatever it strikes and to control striking force by keeping rebound from the struck surface to a minimum. That reduced rebound helps avoid accidentally damaging precision work, particularly in tight spaces and tasks such as servicing hydraulic cylinders.
Facts
Introduced When (Circa)At least 1950, per a US patent application for a rebound-preventing hammer head; no earlier narrative origin is recorded. 1 OriginThe dead-blow hammer's rebound-reducing design is tied to a January 9, 1950 US patent filing, application 2604914A, titled Hammer head having rebound preventing means, filed by Kahlen Johannes William; the source names no earlier inventor or origin story. 1 Introduced era (class) In the Other Atlases
Sources
1. Dead-Blow Hammer (Wikipedia)
Wikimedia FoundationDead-blow hammer, Principle of operation sectionQuote, Dead-blow hammer, Principle of operation section
US application 2604914A Kahlen Johannes William: 'Hammer head having rebound preventing means' filing date 1950-01-09
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