Patent ID: 9486935
Filing Date: 2016-11-08
CPC Classification: B23D,B26D,B27B,B27C,B27G,Y10T

Claim Text:
1. A work piece advancing device for use with a table saw, the table saw having a surface for supporting a work piece, a cutting zone where a rotating cutting element cuts the work piece, and a guide fence to guide the work piece through the cutting zone, comprising: a. a first plate; b. a second plate extending from the first plate; c. a handle portion disposed in a spaced relationship relative to the first plate, said handle portion comprising a bracket having an upper plate and two spaced side walls, and the upper plate having a leading edge and a trailing edge, and a handle extending from the upper plate at a location between the spaced side walls; d. first, second, third and fourth links each having a first end and a second end, wherein the first end of each link is pivotally connected to the first plate and the second end of each link is pivotally connected to a corresponding one of the spaced side walls, and wherein the first and second links form a first pair of spaced links interconnecting the leading edge of the bracket to the first plate, and the third and fourth links form a second pair of spaced links interconnecting the trailing edge of said bracket to the first plate, such that the handle portion and bracket move relative to the first plate between a first position and a second position, and the handle portion and bracket are positioned directly over the first plate at the first position; e. a biasing member positioned between the first plate and the handle portion to bias the position of the handle portion away from the first plate; f. a safety wall affixed to the handle portion, the safety wall including a work piece contact surface disposed along a lower edge of the safety wall; g. wherein the first plate is configured to slideably engage the guide fence on the table saw, the handle portion is configured to be positioned over the guide fence, and the work piece contact surface is configured to engage and push the work piece when engaged by an operator; and h. wherein the biasing member raises the work piece contact surface away from the surface of the table saw when not in use.