Concave part cover

Details Concave part cover Concave part cover

2006-12-05

2006-12-05

Cadugan, Erica (Department: 3722)

Gear cutting, milling, or planing

Milling

With means to protect operative or machine

C074S608000, C052S468000

Reexamination Certificate

active

07144209

ABSTRACT:
The present invention provides a concave part cover that can be easily inserted and be safely secured in a concave part even if tolerances and dimensional errors of the concave part such as a slot or a hole, and of the concave part cover for covering the concave part are large. The concave part cover comprises: a top plate11for covering the concave part; and a pair of pressing parts12A and12B extending from the top plate11and pressing side walls52A and52B of the concave part when the pressing parts12A and12B are inserted into the concave part. Base ends15A and15B of the pressing parts12A and12B are positioned at the top plate11in such a manner that a distance between the base ends15A and15B is shorter than distance W (between the side walls52A and52B), and portions of extending parts16A and16B of the pressing parts12A and12B are formed to project outwards until they are spaced at a wider distance therebetween than the distance W.

REFERENCES:
patent: 1218676 (1917-03-01), Lester
patent: 2990650 (1961-07-01), Attwood
patent: 3410043 (1968-11-01), Rijnders
patent: 3681887 (1972-08-01), Loew
patent: 4418508 (1983-12-01), Gilliland et al.
patent: 4449870 (1984-05-01), Suzuki
patent: 5752297 (1998-05-01), Ramey
patent: 583836 (1982-06-01), None
patent: 57-178639 (1982-11-01), None

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