USD171688S - Auxiliary chuck for small twist drills - Google Patents

Description

March 16, 1954 K, CHAPMAN Des. 171,688

AUXILIARY CHUCK FOR SMALL TWIST DRILLS Filed Feb. 15, 1953 57 I Zhmentor (Ittorneg Patented Mar. 16, 1954 UNITED STATES PATENT Des. 171,688

OFFICE AUXILIARY CHUCK FOR SMALL TWIST LLS To all whom it may concern:

Be it known that I, Howard K. Chapman, a citizen of the United States of America, residing at Englewood, in the county of Arapahoe and State of Colorado, have invented a new, original, and ornamental Design for an Auxiliary Chuck for Small Twist Drills, of which the following is a specification, reference being had to the accompanying drawing, forming a part hereof.

In the drawing:

Fig. 1 is a perspective view of an auxiliary chuck for small twist drills showing my new design;

Fig. 2 is a top plan view thereof;

Fig. 3 is a side elevational view thereof; and

Fig. 4 is a bottom plan view thereof.

I claim: The ornamental design for an auxiliary chuck for small twist drills, as shown.

HOWARD K. CHAPMAN.

References Cited in the file of this patent UNITED STATES PATENTS Number Name Date 144,661 Cutter Nov. 18, 1873 1,482,369 Kruschitzki Jan. 29, 1924 2,224,480 Kartarik Dec. 10, 1940 2,375,112 Kanihan May 1, 1945 2,461,716 Blatt Feb. 15, 1949 2,479,774 Pierce Aug. 23, 1949

Images