Patent ID: 6269853
Filing Date: 2001-08-07
Classification: B23Q,B27C,Y10T

Abstract:
A wood planing machine comprising:an elongated machine base having a top surface, opposed left and right mounting sides spaced apart from each other in a longitudinal direction, and opposed feed-in and take-out sides spaced apart from each other in a transverse direction;left and right pairs of posts fixed on said top surface of said machine base at said left and right mounting sides, respectively;a cutter carriage disposed above said machine base, and having opposite end portions mounted respectively, vertically and movably on said left and right pairs of posts;vertical left and right threaded rods mounted respectively and rotatably on said left and right mounting sides of said machine base such that said rods are disposed respectively between said left and right pairs of posts and extend threadedly through said opposite end portions of said cutter carriage for moving said cutter carriage along said posts when said threaded rods rotate on said machine base, thereby adjusting height of said cutter carriage; anda carriage locking mechanism for locking said cutter carriage at a selected height relative to said machine base, said carriage locking mechanism includingan elongated mounting plate disposed fixedly on said cutter carriage and extending in said longitudinal direction,a left locking unit including a pair of left clamping claws that press respectively and releaseably against two of said left pair of posts and said left threaded rod,a right locking unit including a pair of right clamping claws that press respectively and releaseably against two of said right pair of posts and said right threaded rod,a cam member disposed pivotally on said mounting plate and rotatable about a vertical axis, said cam member having left and right projections that engage respectively said left and right locking units,a rotary lever having a pivot end mounted pivotally on said mounting plate and connected to said cam member so as to rotate synchronously with said cam member, said rotary lever being disposed at a locking position and being rotatable to an unlocking position so as to remove said left and right projections of said cam member from said left and right locking units,a left biasing unit for biasing said left clamping claws to separate from said two of said left pair of posts and said left threaded rod when said left projection of said cam member is removed from said left locking unit, anda right biasing unit for biasing said right clamping claws to separate from said two of said right pair of posts and said right threaded rod when said right projection of said cam member is removed from said right locking unit.