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
Cooking device and method of manufacture of the same
Display sheet, display device, and electronic apparatus
Dental composition, kit of parts and use thereof
Controller for machine tool and five-axis simultaneous control machine tool controlled thereby
Assisting apparatus, method, and program for checking crosstalk noise between hierarchized modules in a semiconductor circuit
Device and method for controlling brightness of organic light emitting diode display
Thermal conductivity and phase transition heat transfer mechanism including optical element to be cooled by heat transfer of the mechanism
  Randomly Featured Patents
Method of forming a chain of meandering coupling elements for slide fasteners
Extended guide rings with built-in slurry supply line
Apparatus, and associated method, for estimating frequency offset of a data symbol communicated in a communication system
Camera having magnetic signal reproducing circuit with adjustable gain amplifier
Gaming machine with element selection feature
Suspension polymerizing epoxy group-containing acrylic resin
Gem pavilion
Supporting pillow
Utensil tray
Method of programming an electrically alterable nonvolatile memory