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US7458402: Portable power planer

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Filing Information

Inventor(s) Barry Wixey · Robert P. Welsh · David L. Wikle · Jyh Cherng Lin · Leo Chang · Chin Long Chi ·
Assignee(s) Black & Decker Inc. ·
Attorney/Agent(s) Michael Aronoff · Adan Ayala ·
Primary Examiner Shelley Self ·
Application Number US10657934
Filing date 09/09/2003
Issue date 12/02/2008
Prior Publication Data
Predicted expiration date 04/17/2022
U.S. Classifications 144/117.1  · 144/227  ·
International Classifications B27C100  ·
Kind CodeB2
Related U.S. Application DataCROSS-REFERENCE TO RELATED APPLICATIONS
This application is a continuation-in-part of U.S. patent application Ser. No. 10/428,385, filed on May 2, 2003, now U.S. Pat. No. 6,708,774, which is in turn a continuation of U.S. patent application Ser. No. 10/124,746, filed on Apr. 17, 2002, now U.S. Pat. No. 6,601,621, which in turn claims priority to U.S. Provisional Application Ser. No. 60/284,486, filed on Apr. 18, 2001, now abandoned.
14 Claims, 11 Drawings


Abstract

A portable power planer for planing the top surface of a workpiece. The portable power planer includes a base assembly, a carriage assembly disposed above the base assembly, the carriage assembly includes a cutterhead assembly, the carriage assembly being vertically movable to change distance between the base assembly and the carriage assembly, a hand crank attached to the carriage assembly for changing the distance between the base assembly and the carriage assembly, a material removal gauge disposed on the carriage assembly, a switch disposed on the carriage assembly, and a height scale disposed on the base assembly, wherein the material removal gauge, the switch and the height scale are on the front side of the power planer, and the hand crank is substantially on the front half of the power planer.

Independent Claims | See all claims (14)

  1. 1. A power planer for planing a top surface of a workpiece comprising: a base assembly; a carriage assembly disposed above the base assembly and operably connected to the base assembly, the carriage assembly comprising a cutterhead assembly, the carriage assembly being vertically movable to change distance between the base assembly and the carriage assembly; a hand crank attached to the carriage assembly for changing the distance between the base assembly and the carriage assembly, the hand crank being vertically movable with the carriage assembly; a material removal gauge disposed on the carriage assembly; a switch disposed on the carriage assembly; a speed selector handle disposed on the carriage assembly for adjusting the speed of rotation of the cutterhead assembly; and a height scale disposed on the base assembly; wherein the material removal gauge, the switch, and the speed selector handle, and the height scale are on the front side of the power planer and wherein the speed selector handle can be rotated between at least two positions.
  2. 13. A power planer for planing a top surface of a workpiece comprising: a base assembly including at least one guide post; a carriage assembly disposed above the base assembly and threadingly engaging the at least one guide post, the carriage assembly comprising at least one nut assembly threadingly engaging the corresponding at least one guide post, a motor, and a cutterhead assembly driven by the motor, the carriage assembly being vertically movable to change distance between the base assembly and the carriage assembly; a hand crank attached to the carriage assembly for changing the distance between the base assembly and the carriage assembly; a material removal gauge disposed on the carriage assembly; a switch disposed on the carriage assembly; and a height scale disposed on the base assembly; wherein the at least one nut assembly comprises a main body threadingly engaging the corresponding at least one guide post, a lower plate threadingly engaging the corresponding at least one guide post, at least one screw extending through the lower plate and threadingly engaging the main body, and a spring disposed between the main body and the lower plate.

References Cited

U.S. Patent Documents

Document NumberAssigneesInventorsIssue/Pub Date
US753528* Stutzman Mar 1904
US2449201 BUSS HADLEY N Buss Sep 1948
US2619997 KING SEELEY CORP Gaskell Dec 1952
US2792036* ROCKWELL MFG CO Buttke May 1957
US3968712 The Singer Company Duncan Jul 1976
US5375951 California Technical Marketing, Inc. Veale Dec 1994
US5771949* Black & Decker Inc. Welsh et al. Jun 1998
US5829499* Liao Nov 1998
US5927357* Black & Decker Inc. Welsh et al. Jul 1999
US5957173* Delta International Machinery Corp. Garcia Sep 1999
US5988239* Chen Nov 1999
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US6089287* Black & Decker Inc. Welsh et al. Jul 2000
US6510879* Chuang Jan 2003
US20030024601* Garcia et al. Feb 2003
US20030196725* Chuang Oct 2003

Foreign Patent Documents

Document NumberAssigneesInventorsIssue/Pub Date
DE3735842*MANKERTZ OTTO DIPL INGMay 1989
DE29903076HUNDEGGER HANSJul 2000
EP1252993Black & Decker Inc.Oct 2002
EP1502719Black & Decker Inc.Feb 2005
GB351284THOMAS ROBINSON & SON LTDJun 1931
* cited by examiner

Referenced By

Document NumberAssigneeInventorsIssue/Pub Date
US8360120 --

Patent Family

Document NumberAssigneeInventorsIssue/Pub Date
US20040144446 WIXEY BARRY Robert Welsh et al. Jul 2004
US20040250882 Robert Welsh et al. Dec 2004
US20040250889 Robert Welsh et al. Dec 2004
US6886615 Black & Decker Inc. Barry Wixey et al. May 2005
US6918419 Black & Decker Inc. Barry Wixey et al. Jul 2005
US7458402 Black & Decker Inc. Barry Wixey et al. Dec 2008