Belt grinder with pivotable grinding unit and opposite...

Details Belt grinder with pivotable grinding unit and opposite... Belt grinder with pivotable grinding unit and opposite...

1997-11-17

2002-03-26

Eley, Timothy V. (Department: 3723)

Abrading

Machine

Endless band tool

C451S340000, C451S411000

Reexamination Certificate

active

06361421

ABSTRACT:

SUMMARY
The invention refers to a band sanding device whose support tables (
13
,
14
) are positioned relative to the sanding unit (
11
), and thereby the sanding band (
12
), in such a way that when the sanding unit is rotated no simultaneous readjustment of the table is required) and the gap (z) between the table edges and the sanding unit remains minimum. This arrangement is achieved if the straight line distance (d) between the table edges is multiplied by one minus the cosine of half the maximum rotation angle (y), divided by two times the cosine of half the maximum rotation angle (y), and the resulting gap (z) between the table edges and sanding unit is acceptable for practical applications and in conformance with standards and safety regulations.
This invention refers to a band sanding device as described in patent application claims 1, 2, 3, 4 and 5.


REFERENCES:
patent: 165762 (1875-07-01), Sawyer
patent: 1798421 (1931-03-01), Hitchcock
patent: 3133384 (1964-05-01), Liard
patent: 3136097 (1964-06-01), Liard
patent: 4346536 (1982-08-01), Bryden
patent: 4926602 (1990-05-01), Crouch
patent: 0 827 441 (1998-03-01), None
Kundig Uniq, Edge Sanding, Kundig Uniq-Edge Sanding, Publication Date was Prior to this Application was Filed, 4, N/A, N/A, N/A, Kundig.

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