Metal tools and implements – making – Saw-making or furbishing device or machine – Stretching
Patent
1987-09-17
1989-12-19
Parker, Roscoe V.
Metal tools and implements, making
Saw-making or furbishing device or machine
Stretching
72247, B23D 6318
Patent
active
048874949
ABSTRACT:
A set of two saw benching rolls. Each roll has a surface divided into two sections. One section is in the form of a convex surface and the other is in the form of a concave surface. The rolls are mounted in an opposed relationship and are operable to apply pressure to a saw placed there between. By moving the two rolls axially and relative to one another in the various positions, the saw may be "leveled up" or "leveled down" to remove discontinuities. The benching rolls may also be used in the conventional manner to tension or to shear the saw.
REFERENCES:
patent: 510210 (1893-12-01), Toomer
patent: 1038127 (1912-09-01), Hedstrom
patent: 1053746 (1913-02-01), Roach
patent: 1096756 (1914-05-01), Roach
patent: 1462836 (1923-07-01), Thomas
"Armstrong Stretcher Rolls for Circular Saws," Armstrong Manufacturing Company brochure, Portland, Ore.
"Replacement Stretcher Rolls," Williams & White Machine Shop Ltd, brochure, Burnaby, B.C., Canada.
"REKMATIC: An Automatic Bandsaw Maintenance Machine," Wood Machining News, vol. 3, No. 5, 1986, and attached literature.
McKeown Kenneth O.
Paquette John L.
Readshaw Lenard T.
VanVelzen Cornelis N.
Innovations Ltd.
Parker Roscoe V.
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