Floor sanding machine

Abrading – Frame or mount – Portable abrader

Reexamination Certificate

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Details

C451S350000, C015S049100

Reexamination Certificate

active

07393267

ABSTRACT:
A floor sanding machine is proposed, which consists of a case body (11) and a plurality of sanding tools (30) arranged eccentrically in the case body (11). The axes of the tool shafts (31) rotate about the axis of a central shaft (12), and the sanding tools (30) rotate about the axis of the tool shaft. The construction consists essentially of a belt drive, of which the unilaterally grooved drive belt (3) is driven on the grooved side of the main drive pulley (2) and drives a gear mechanism (5). Also on the grooved side of the drive belt (3), a belt tensioner (6) ensures that the drive belt (3) is always under sufficient tension. The tools (4) are driven via the non-grooved side of the drive belt (3).

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patent: 7241210 (2007-07-01), Van Vliet
patent: 7261623 (2007-08-01), Palushi

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