Geometrical instruments – Distance measuring – By flexible tape
Reexamination Certificate
2006-07-18
2006-07-18
Bennett, G. Bradley (Department: 2859)
Geometrical instruments
Distance measuring
By flexible tape
C033SDIG010, C224S901000
Reexamination Certificate
active
07076885
ABSTRACT:
A tool and tool holder with a permanent magnet mounted upon one and a magnetically permeable keeper on the other are provided with respective camming surfaces which are cooperatively engaged when the tool is rotated, breaking the magnetic attraction between opposing surfaces of the magnet and keeper to facilitate removal of the tool from the holder. A cup-like receptacle is mounted upon a body portion of the tool, disclosed in each of two embodiments as a flexible, metal measuring tape contained within a hollow housing, and one of the magnet and keeper is disposed within this receptacle. The camming surface on the tool comprises convex protrusions within the receptacle in a first embodiment, and protrusions extending outwardly from the periphery of the receptacle in a second embodiment. A recess is formed in a surface of the holder to receive the receptacle on the tool when the latter is releasably mounted upon the holder. The other of the magnet and keeper, as well as the camming surface on the holder, is disposed within the recess. A receiver and indicator may be attached to or integrally formed in the tool, to be activated by a signal from a transmitter, which may be attached to or integrally formed in the holder. When activated, the indicator provides a visible or audible indication to aid in locating the tool when it is separated from the holder. Belt loops and a pencil holder may be integrally formed with the holder body portion.
REFERENCES:
patent: 5025966 (1991-06-01), Potter
patent: 5213240 (1993-05-01), Dietz et al.
patent: D457311 (2002-05-01), Dedrick
patent: 6382482 (2002-05-01), Chao
patent: 6457252 (2002-10-01), Kershner
patent: 2003/0067397 (2003-04-01), Trimble
patent: 2004/0124220 (2004-07-01), Blechman
Bennett G. Bradley
Bond Schoeneck & King , PLLC
McGuire George R.
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