USD34835S - Design for a rock-drill stock - Google Patents
Design for a rock-drill stock Download PDFInfo
- Publication number
- USD34835S USD34835S US D34835 S USD34835 S US D34835S
- Authority
- US
- United States
- Prior art keywords
- design
- rock
- drill
- drill stock
- aylmer
- Prior art date
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Description
DESIGN.
N0.34,835. Patented my 23, Ism'l.4
' H. AY-LMER. DDDDDDDDDDDDD K.
n A Imnor.'
UNITED STATES PATENT OFFICE,
HENRY AYLMER, OF SHERBROOKE, CANADA, ASSIGNOR'T AYLMER DRILL MANUFACTURING COMPANY, OF MONTREAL, CANADA.
DESIGN FOR A ROCK-DRILL STOCK.
SPECIFICATION formingpart of Design N0. 34,835, dated July 23, 1901.
To all whom, t may concern:
Be it known that I, HENRY AYLMER, a subject of His Majesty the King of Great Britain, residing at Sherbrooke, in the county of Sher- 5 brooke, in the Province of Quebec,- Canada,
have invented and produced a new and original Design for Rock-Drill Stocks, of which the following is a specification, reference being had to the accompanying drawings, formo ing part thereof.
Figure l is a perspective View of a drillstock, showing my design. Fig. 2 is a scctional view of the same.
The leading feature of my design consists 5 of an elongated body having a central polygonal body and rounded ends with notches in Application letl February 16, 1901. Serial No. 47,704. Term of patent 14 years.
the edge of the lower end, said loweI` end having an axial opening and a pin passing through and slightly entering the opening.
The polygonal body is shown at A, the upper round portion at A', the lower round portion at a2, the notches at B, the axial opening at D, and the pin at C.
I claim- The design for a rock-drill stock substantially as shown and described. v Signed at Sherbrooke this 19th day of November, 1900. p
HENRY AYLMER.
Witnesses:
EDWARD B. WORTHINGTON, CIIAs. D. WHITE.
Family
ID=
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