Gear cutting – milling – or planing – Milling – With limit means to aid in positioning of cutter bit or work
Patent
1994-11-04
1997-01-14
Rada, Rinaldi I.
Gear cutting, milling, or planing
Milling
With limit means to aid in positioning of cutter bit or work
144218, 144150, 407 38, 30289, B27C 100
Patent
active
055932576
ABSTRACT:
An apparatus for removing hardened substances such as putty or the like from a window sash without removing the window sash from its frame and without requiring a separate external guide comprises a rotary cutter member with a cutting blade and a sleeve member including a guide ledge extending forwardly from a portion of the front face of the sleeve member to engage a surface of the window sash to position the cutting blade relative to the putty holding surface of the sash in the direction perpendicular to the putty holding surface. The apparatus may further include an extension member and a stabilizing member to be used when a hardened substance is to be removed from a sash having associated with it a storm window or the like that would otherwise interfere with an electric drill or other power source and prevent the cutter blade from reaching the putty.
REFERENCES:
patent: 991094 (1911-05-01), Schneider
patent: 1789793 (1931-01-01), Wedhorn
patent: 2930290 (1960-03-01), Cooke
patent: 3720270 (1973-03-01), Pasquale
patent: 3961671 (1976-06-01), Adams et al.
patent: 4188723 (1980-02-01), Fuchs
patent: 5193943 (1993-03-01), Kim
patent: 5267593 (1993-12-01), Patterson
Ashley Boyer
Rada Rinaldi I.
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