US2578410 Патенты
UNITED STATES2,578,410PATENT OFFICE OPEN-ENDED RATCHET WRENCE Willis J. Filiatreault, Chicago, Ill., assignor of one-half to Aaron T. Perbohner, Chicago, Ill. Application October 29, 1949, Serial No. 124,362 The present invention relates to improvements in ratchet Wrenches, and more particularly to a novelly constructed, rugged, open-ended ratchet tion 4 and a surrounding marginal flange 5. or to collapse when repeatedly subjected to ex The flanges 5 on the halves 3 are shallow and are adapted to be positioned in edge to edge con Wrench. tact When the halves are assembled in the man Known type
Притязаний: 2. Знаков текста: 10 247.