Blade sharpening apparatus

Abrading – Frame or mount – Portable abrader

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C451S319000

Reexamination Certificate

active

06866569

ABSTRACT:
An apparatus for sharpening a blade having a base member with a slot for receiving and guiding a blade to be sharpened, first and second apertures disposed on either side of the slot, first and second resilient biasing members disposed in association with each of the first and second apertures such that each of the biasing members is substantially entirely enclosed within rear spring caps and protected from debris and contaminants. Sharpening members are connected to the biasing members and are rotatable about a central axis of each respective aperture between a first and second position, which rotation is limited by a stop member as the blade passes from one end of the slot toward the other. The durability of the base is enhanced with top guide rails so a blade entering the slot cannot cut into the base member.

REFERENCES:
patent: 578440 (1897-03-01), Beaudin
patent: 1041631 (1912-10-01), Johnson
patent: 1570083 (1926-01-01), Runzi
patent: 1851520 (1932-03-01), Moller
patent: 1909743 (1933-05-01), Blankner
patent: 2124646 (1938-07-01), Barsch
patent: 2544193 (1951-03-01), Trapani et al.
patent: 2767530 (1956-10-01), Paklanius
patent: 2885836 (1959-05-01), Robitaille
patent: 4530188 (1985-07-01), Graves
patent: 4550632 (1985-11-01), Inman
patent: 4624079 (1986-11-01), Bonapace
patent: 4897965 (1990-02-01), Friel
patent: 4934110 (1990-06-01), Juranitch
patent: 5040435 (1991-08-01), Millman
patent: 5046385 (1991-09-01), Cozzini
patent: 5163251 (1992-11-01), Lee
patent: 5245789 (1993-09-01), Rees et al.
patent: 5440953 (1995-08-01), Gangelhoff et al.
patent: 5478272 (1995-12-01), Cozzini et al.
patent: 6312017 (2001-11-01), Hardwick et al.
patent: 6679767 (2004-01-01), Lohnert
patent: 20040014415 (2004-01-01), Stallegger et al.
patent: 190414 (1957-06-01), None
patent: 293785 (1928-03-01), None
patent: 517242 (1939-08-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Blade sharpening apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Blade sharpening apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Blade sharpening apparatus will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3396198

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.