Abrading – Machine – Rotary tool
Reexamination Certificate
2007-09-11
2007-09-11
Shakeri, Hadi (Department: 3723)
Abrading
Machine
Rotary tool
C081S177800, C081S415000, C081S427500
Reexamination Certificate
active
11332320
ABSTRACT:
An angle retaining assembly of a hand tool comprises a handle; a head having at least one screw hole for receiving at least one resisting element; when the resisting element screws into the screw hole; a front end of the resisting element protrudes out to be in contact with the pivotal portion of the handle to have a resisting effect so as to fix the bending angle between the head and the handle. The at least one screw hole is formed at a lateral side or a front side of the connecting portion. Or the at least one screw hole is formed at a lower side of pivotal portion of the handle.
REFERENCES:
patent: 1155937 (1915-10-01), Lerfald
patent: 6370992 (2002-04-01), Shih-Kuei
patent: 2004/0221695 (2004-11-01), Hsien
patent: 2006/0090613 (2006-05-01), Hsieh
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