Abrading – Tool support for flexible-member tool – Including endless band tool holding member
Patent
1994-05-02
1995-02-07
Rose, Robert A.
Abrading
Tool support for flexible-member tool
Including endless band tool holding member
451495, 451499, 451523, B24D 1500
Patent
active
053872517
ABSTRACT:
An improved endless belt sanding block, typically having four flat rigid support sections connected by a set of hinges (12), (16), (22), and (28) to form a foldable closed loop. Two of the support sections, an upper tapered support (18), and a lower tapered support (26), have thickened ends which hinge together at the inner surface of the foldable loop. A base support (10), typically the longest support section, and a top support (14), typically intermediate in length, complete the closed loop. When tapered supports (18) and (26) are folded inward at the juncture of their thick ends, the sanding block is in a contracted position and an endless sanding belt (32) may be placed around the outer surface of the sanding block. Conversely by folding outward, the thick ends pry outward against the endless sanding belt causing it to tighten. A brace section (24) inside the foldable loop connects to the same hinge used at the tapered supports juncture to form a triple hinge (22). After the endless sanding belt is tightened, brace section (24) is rotated about triple hinge (22) and brought into contact with a latch (30) located on the inner surface of base support (10). There it is held in the appropriate position to keep the endless sanding belt taut and ready for use.
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