Cutting – Rotatable disc tool pair or tool and carrier – Carrier for rotatable tool movable during cutting
Patent
1997-08-21
1999-10-19
Young, Lee W.
Cutting
Rotatable disc tool pair or tool and carrier
Carrier for rotatable tool movable during cutting
83485, 83489, 83743, 30290, 30371, 30388, 30391, B23D 1900
Patent
active
059670134
ABSTRACT:
A powered circular saw blade on a vertical shaft is supported on a slide which is slideably mounted on a guideway having feet to enable moving the assembly around on a building sub-floor. The feet are adjustable to enable raising or lowering the guideway base and, thereby, the saw blade. A blade guard is affixed to the guideway base and shaped to admit the saw assembly to an inside corner of a building room. The blade is normally retracted behind the blade guard but can be advanced to position ahead of the guard as the guard is braced against a door jamb or the like and the slide is pushed toward the door jamb to advance the blade into cutting position. Immediately upon release of the advancing force manually applied, a return spring returns the blade to retracted protected position.
REFERENCES:
patent: 2610658 (1952-09-01), Koeling
patent: 3111969 (1963-11-01), Bivens
patent: 4510835 (1985-04-01), Cromeens
patent: 4858662 (1989-08-01), Bosten et al.
patent: 4876793 (1989-10-01), Quagli
patent: 5257654 (1993-11-01), Bean et al.
patent: 5657804 (1997-08-01), Lee
patent: 5784789 (1998-07-01), Vargas
Brochure entitled "Janser Laminate Installation Tools", by Janser, 200 Paw Paw Avenue, Benton Harbor, MI 49022-3400.
Magazine entitled "Floor Covering Installer/Summer 1997", p. 44.
Hegdahl Andrew N.
McKenzie Ray W.
Vereene Kevin G.
Young Lee W.
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