PAUL P RAVINSKI
Radio and Television Technicians in Silver Lake, MA

License number
Massachusetts 2924
Type
Master Technician
Address
Address
Silver Lake, MA 02364

Professional information

Paul Ravinski Photo 1

Apparatus For Sharpening A Combination Saw Blade

US Patent:
4357842, Nov 9, 1982
Filed:
Jan 7, 1981
Appl. No.:
6/223128
Inventors:
James A. Adams - Kingston MA
Paul P. Ravinski - Kingston MA
International Classification:
B23D 6314
US Classification:
76 41
Abstract:
Apparatus for sharpening a combination saw blade, the apparatus including a selector for manual input of numbers of cutting teeth and non-cutting tooth spaces on the blade, a counter for counting the number of teeth and tooth spaces moved to a grinding station, the grinding station having a grinding head disposed therein and mounted on a first reciprocating lift mechanism activated by a cam to sharpen each of the blade teeth serially, and a second lift mechanism adapted to operate in response to a signal from the counter to locate the grinding head out of a grinding position when the grinding station is occupied by a non-cutting tooth space, and to place the grinding head under control of the first lift mechanism when the grinding station is occupied by a cutting tooth.