Abrading – Frame or mount – Portable abrader
Patent
1993-06-04
1995-05-30
Rose, Robert A.
Abrading
Frame or mount
Portable abrader
451354, B24D 1504
Patent
active
054190878
ABSTRACT:
A flexible polyurethane foam cylindrically shaped sanding device (1) manufactured from formulas of abrasive material, can be permanently surfaced with an abrasive material or layer and can be used in conjunction witch abrasive sheets.
The tube sheet (4) can be manufactured from wet or dry type abrasive sheets, perforated to allow for water penetration for wet sanding. The tube sheet is assembled into tube form by connection of the opposite edges of same abrasive sheet by fastening same sheet edge to edge by the adhesive tape (31) on back side of sheet,
The sanding device is mountable to a pole by the mounting rod (81 ) which is run through mounting apparatus fork, through the sanding device center sleeve (21 ) and into the opposite threaded hole or inserted nut (82) or disc nut (89).
The mounting apparatus (84) is fastened to external pole (86) by screwing same pole into fitting on mounting apparatus. The opposite end of same exterior pole has the handle with compression fitting (87) which adjusts to compress against and hold the internal pole (85), with handle (88), which is contained within and slides through the external pole (86), screwing into the rotation stop brake (83) which slides along the two forks of the mounting apparatus (84) and locks the sanding device (2) from rotation on mounting rod.
A multitude of sanding devices can be assembled together end to end onto the mounting rod (81) for hand operation of larger working surfaces.
REFERENCES:
patent: 2094894 (1937-10-01), Johnson
patent: 2131676 (1938-09-01), Seifert
patent: 2225101 (1940-12-01), Conk et al.
patent: 2853838 (1958-09-01), Richards
patent: 3003505 (1961-10-01), Otto et al.
patent: 4571769 (1986-02-01), Ford
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