Socket wrench having automatic nut-ejecting capability

Details Socket wrench having automatic nut-ejecting capability Socket wrench having automatic nut-ejecting capability

B - Operations, Transporting

25

B

81/47

B25B 13/06 (2006.01)

Patent

CA 1248789

SOCKET WRENCH HAVING AUTOMATIC NUT-EJECTING CAPABILITY Abstract of the Disclosure Well known in the prior art are rudimentary socket wrenches devoid of nut-ejecting capability. Such rudimentary socket wrenches are typically in the form of a tubular sleeve wherein the longitudinal bore internal-wall includes therealong: a fitting-length of noncircular cross-sectional shape whereby the sleeve might be removably mounted to a selectable driving means; a medial-length; and finally a fastener- length having a hexagonal or other regular polygonal cross-sectional shape whereby the drivable sleeve might grippably engage a nut fact- ener. The nut-ejecting socket wrench of the present invention is gen- erally based upon a rudimentary socket wrench, but having the follow- ing structural modifications and additional parts; providing for the sleeve bore internal-wall a groove-length interrupting a minor proportion of the sleeve medial-length nearer to the fastener-length than to the fitting-length; installing a helical spring within the sleeve medial-length between the fitting-length and the provided groove-length; installing a necked hollow plunger in slidable condition within the sleeve medial-length and wherein an enlarged trail-bore portion surrounds the helical spring; and installing a C-shaped retainer within the sleeve groove- length and thereby maintaining the reciprocatable plunger neck in nut-ejecting condition within the sleeve fastener-length. FIELD OF THE INVENTION This invention relates generally to socket wrenches having an automatic nut-ejecting capability. BACKGROUND OF THE INVENTION Figures 1-3 show rudimentary socket wrenches of a type well known in the prior art. -2-

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