Resources Contact Us Home
Browse by Category: Main > Construction
Class Information
Number: 144/28.8
Name: Woodworking > Special-work machine > Pencil sharpening > Movable tool > Rotatable or revolvable > Work holder or guide also rotary
Description: Machine wherein the work holder or guide is movable about its own internal axis and relative to the tool during the material-removing operation.

Patents under this class:

Patent Number Title Of Patent Date Issued
8459317 Hand-cranked pencil sharpeners Jun. 11, 2013
8225827 Sharpener with noise reducing features Jul. 24, 2012
8205649 Cutter assembly and electric pencil sharpener Jun. 26, 2012
7669619 Electric pencil sharpener Mar. 2, 2010
7654385 Machine for front joining and sticking of oblong wood workpieces by toothed front joints and referential procedure Feb. 2, 2010
6637481 Apparatus for sharpening a writing instrument Oct. 28, 2003
4676028 Honing tool Jun. 30, 1987
3973604 Single cutter pencil sharpener Aug. 10, 1976

  Recently Added Patents
Fiber optic cables and assemblies for fiber toward the subscriber applications
Auto-provisioning of network services over an Ethernet access link
Method and device for determining processed image data about a surround field of a vehicle
Package for a medicinal product
Optical cable plug-in detection
Method and system for a low-power client in a wide area network
Methods for non-linear image blending, adjustment and display
  Randomly Featured Patents
Osteospermum plant named `Duetisushine`
Optical pulse generating arrangements
Shearing tool with device for detecting conclusion of action
Synchronized viewing of tomosynthesis and/or mammograms
SATA pass through port
Marine umbilical
Printing blanket with convex carrier layer
Poly-.beta.-1.fwdarw.4-N-acetylucosamine copolymer composition with collagen
Security-transfer systems
Method and apparatus for measurement of length of cable having fixed impedance