Hand tool, such as a sledgehammer, with replaceable head

Details Hand tool, such as a sledgehammer, with replaceable head Hand tool, such as a sledgehammer, with replaceable head

1987-04-01

1988-06-28

Schmidt, Frederick R.

Tools

Hammer

Having shock absorbing means

81 25, 81 20, B25G 312

Patent

active

047531371

ABSTRACT:
A hand tool, such as striking device like a sledgehammer, having replaceable head elements, which device comprises a handle having a raised extension on one end and a threaded cavity therein, and a replaceable head element, having a cavity therein; an insert having a hole therein to fit into the top part of the cavity of the head element, a threaded bolt, an a retaining tubular, elastomeric element, subject to expansion on axial compression, whereby various head elements of different cavity size may be secured to the extension of the handle by placing the threaded bolt through the insert hole and through tubular retaining element and threading the bolt into a threaded cavity of the raised extension to axially compress and expand outwardly the tubular elastomeric element into a frictional and shock-absorbing relationship with the interior surface of the head element cavity, thereby providing a hand tool device by which head elements having various cavity dimensions may be rapidly and efficiently secured to the handle.

REFERENCES:
patent: 2702060 (1955-02-01), Bonnesen
patent: 3704734 (1972-12-01), Soto et al.

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