Patent ID: 9016171
Filing Date: 2015-04-28
Classification: B25D

Abstract:
1. A shock absorbing hammer, comprising: a main frame having a center portion and two extended portions disposed along its longitudinal axis; said two extended portions being disposed at two sides of said center portion respectively; said center portion being laterally penetrated by a first rabbet joint which is a slot for a handle to rabbet; a plurality of second rabbet joints being perforated at the end portion of said extended portion and circularly disposed along the longitudinal axis of said main frame; two housings being disposed in said two extended portions and separated by said center portion; each housing, with one open end, being located at the distal end of said extended portion and not communicating with said first rabbet joint; two end cap assembly being integrated with said extended portion for closure of said housing and having a protruded rabbet flange to fit in said housing; a plurality of third rabbet joints being disposed on said rabbet flange to exactly couple with said second rabbet joints; a cambered convex surface being disposed at the exterior end of said end cap assembly; two pellet assembly being fully packed in each housing or packed with 70% at least; said pellet assembly including a mixture of a specific amount of rigid pellets and a specific amount of soft pellets; the amount ratio of said rigid pellet and said soft pellet being 1:1˜1.5:1; the material of said rigid pellet being steel, and the material of said soft pellet being plastic or rubber; said rigid pellets and said soft pellets of said pellet assembly are spheroids; and a plurality of rabbet elements being employed to rabbet said second rabbet joint of said main frame and said third rabbet joint of said end cap assembly; the mechanism between each rabbet element and each second rabbet joint, or each rabbet element and each third rabbet joint, being tightly fitted for said end cap assembly being tightly integrated with said extended portion of said main frame for closure of said housing.