Metal tools and implements – making – Saw-making or furbishing device or machine – Sharpening and gumming
Reexamination Certificate
2006-11-07
2006-11-07
Watts, Douglas D. (Department: 3724)
Metal tools and implements, making
Saw-making or furbishing device or machine
Sharpening and gumming
C451S409000
Reexamination Certificate
active
07131351
ABSTRACT:
A device for dressing a tool having a plurality of teeth, wherein said device comprises a support surface having guiding elements, said guiding elements having at least two movable positioning elements, said movable positioning elements being adapted to be locked in a fixed position within said guiding elements such that said positioning elements form a stop for said tool; and a dressing tool mounted in a holding device positioned in front of a dressing side of said support surface, wherein said dressing tool is locked in position by a locking element during the dressing of said teeth, hence said dressing tool not being movable at least in a direction running substantially parallel to said dressing side; wherein said positioning elements are arranged in said guiding elements in said support surface such that said tool to be dressed engages with said positioning elements at its side turned towards said dressing side of said support surface, so that said tool can be moved towards said positioning elements by a feed movement proceeding in a feed direction starting from a feed side of the support surface, said feed side being located opposite said dressing side of said support surface, and being directed towards said dressing side; and wherein said engagement between said positioning elements and said tool can be discontinued by a return movement of said tool, said movement being oppositely directed to said feed movement.
REFERENCES:
patent: 3427903 (1969-02-01), Bodington
patent: 3952616 (1976-04-01), Varley
patent: 6042096 (2000-03-01), MacLean
patent: 0 201 817 (1986-02-01), None
patent: WO 99/22898 (1999-05-01), None
Reiling Karl
Reiling Reinhold
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