US782674A - Pattern for casting gear-wheels. - Google Patents
Pattern for casting gear-wheels. Download PDFInfo
- Publication number
- US782674A US782674A US20869404A US1904208694A US782674A US 782674 A US782674 A US 782674A US 20869404 A US20869404 A US 20869404A US 1904208694 A US1904208694 A US 1904208694A US 782674 A US782674 A US 782674A
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- US
- United States
- Prior art keywords
- gear
- strip
- pattern
- teeth
- wheels
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
Definitions
- the object of the invention is to provide a new and improved pattern for casting gearwheels and gear-racks arranged to permit the formation of gear-wheel patterns of any desired diameter, shape of teeth, pitch, &c., to insure casting of properly meshing gearwheels in a very simple and economical manner and without the use of the expensive gearwheel patterns now employed.
- Figure 1 is a side elevation showing a flexible strip provided with gear-teeth applied to the wheel-blank.
- Fig. 2 is an enlarged plan view of the flexible strip and the teeth thereon, and
- Fig. 3 is a sectional side elevation of the same on the line 3 3 of Fig. 2.
- the strip A On the face of the strip A, of wood, metal papier-mach, or other suitable but preferably flexible material, are glued or otherwise secured teeth or cogs B, spaced equidistant apart, according to the pitch of the gear-wheel to be made, and the said strip A, with the teeth or cogs B thereon, is ,now placed upon and fastened in position on the face of a blank O, shaped to represent the Web or body of the gear wheel or rack to be cast.
- the flexible strip A With the teeth B thereon, is placed upon the peripheral face of a wheel and secured in position on the rim of the wheel by glue or other means to form a complete pattern,which can now be used in a mold for casting gearwheels therefrom in the usual manner.
- the teeth or cogs B are preferably formed by shaping a stick of wood, for instance, to represent in cross-section a desired tooth, and this stick is now out transversely to form gear-teeth having a length of face corresponding to the width of the desired gearwheel, the gear-teeth formed being glued or otherwise secured with their bases to the flexible strip A, which is preferably of a width corresponding 'to the length of face of the tooth.
- vIt is understood that as the strip A is made of a flexible material and since the bend under eachtooth is so slight that it is practically a straight line the strip can be readily bent so as to lie smoothly on the peripheral surface of the wheel O, the ends of the strips abutting, as plainly indicated in Fig. 1, and the number of teeth corresponding to the pitch diameter ,of the gear-wheel.
- a pattern comprising a wheel-blank, a flexible strip applied to the peripheral face of the said wheel-blank, and spaced gearteeth distinct from the strip and each secured to the outer face of the said strip by separate fastening means.
- a pattern provided with a strip, and spaced gear-teeth distinct from and individually secured to the face of the strip.
- a pattern provided with a flexible surface-strip, and spaced gear-teeth distinct from and individually secured to the face of the strip.
- a pattern comprising a body-blank, and a strip secured to the blank and having gearteeth thereon, said teeth being formed of separate pieces of wood secured to the strip.
- a pattern comprising a wheel-blank
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Golf Clubs (AREA)
Description
IPATENTED FEB. 14, 1905..
N5. 782,674. T. w. LOWE.
PATTERN PORCA'STING GEAR WHEELS.
APPLICATION FILED MAY 19, 1904.
WIT/(E8858:
ATTORNEYS UNITED STATE Patented February 14, 1905.
PATENT OFFICE.
PATTERN FOR CASTING GEAR-WHEELS.
SPECIFICATION forming part of Letters Patent No. 782,674, dated February 14, 1905.
Application filed May 19, 1904. Serial No. 208,694.
To all, whom it may concern.-
Beit known that I, THEODORE WIoK LOWE, a citizen of the United States, and a resident of Stockton, in the county of Joaquin and State of California, have invented a new and Improved Pattern for Casting Gear-Wheels, of which the following is a full, clear, and exact description.
The object of the invention is to provide a new and improved pattern for casting gearwheels and gear-racks arranged to permit the formation of gear-wheel patterns of any desired diameter, shape of teeth, pitch, &c., to insure casting of properly meshing gearwheels in a very simple and economical manner and without the use of the expensive gearwheel patterns now employed.
The invention consists of novel features and parts and combinations of the same, as will be more fully described-hereinafter and then pointed out in the claims.
A practical embodiment of the invention is represented in the accompanying drawings, forming a part of this specification, in which similar characters of reference indicate corresponding parts in all the views. v V
Figure 1 is a side elevation showing a flexible strip provided with gear-teeth applied to the wheel-blank. Fig. 2 is an enlarged plan view of the flexible strip and the teeth thereon, and Fig. 3 is a sectional side elevation of the same on the line 3 3 of Fig. 2.
On the face of the strip A, of wood, metal papier-mach, or other suitable but preferably flexible material, are glued or otherwise secured teeth or cogs B, spaced equidistant apart, according to the pitch of the gear-wheel to be made, and the said strip A, with the teeth or cogs B thereon, is ,now placed upon and fastened in position on the face of a blank O, shaped to represent the Web or body of the gear wheel or rack to be cast.
As illustrated in Fig. 1, the flexible strip A, with the teeth B thereon, is placed upon the peripheral face of a wheel and secured in position on the rim of the wheel by glue or other means to form a complete pattern,which can now be used in a mold for casting gearwheels therefrom in the usual manner.
The teeth or cogs B are preferably formed by shaping a stick of wood, for instance, to represent in cross-section a desired tooth, and this stick is now out transversely to form gear-teeth having a length of face corresponding to the width of the desired gearwheel, the gear-teeth formed being glued or otherwise secured with their bases to the flexible strip A, which is preferably of a width corresponding 'to the length of face of the tooth.
vIt is understood that as the strip A is made of a flexible material and since the bend under eachtooth is so slight that it is practically a straight line the strip can be readily bent so as to lie smoothly on the peripheral surface of the wheel O, the ends of the strips abutting, as plainly indicated in Fig. 1, and the number of teeth corresponding to the pitch diameter ,of the gear-wheel.
It is understoood that by the arrangement described patterns for. spur-wheels, internal gear-wheels, bevel gear-wheel, and the like can be readily formed in the manner above set forth and at a comparatively small expense.
Having thus described my invention, 1 claim as new and desire to secure by Letters Patent- 1. A pattern comprising a wheel-blank, a flexible strip applied to the peripheral face of the said wheel-blank, and spaced gearteeth distinct from the strip and each secured to the outer face of the said strip by separate fastening means.
2. A pattern provided with a strip, and spaced gear-teeth distinct from and individually secured to the face of the strip.
3. A pattern provided with a flexible surface-strip, and spaced gear-teeth distinct from and individually secured to the face of the strip.
4. A pattern, comprising a body-blank, and a strip secured to the blank and having gearteeth thereon, said teeth being formed of separate pieces of wood secured to the strip.
5. A pattern, comprising a wheel-blank, and
a flexible strip secured to the blank and hav- In testimony WhereofIhave signed my name ing gear teeth thereon, said teeth being to this specification in the presence of two subformed of separate pieces of Wood secured to scribing Witnesses.
the strip. THEODORE WICK LOWE. 5 6. A pattern provided with a flexible strip, Witnesses:
and gear-teeth formed of separate pieces of JOHN H. DoLAN,
Wood secured to one face of the strip. GEORGE J ENSEN.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20869404A US782674A (en) | 1904-05-19 | 1904-05-19 | Pattern for casting gear-wheels. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20869404A US782674A (en) | 1904-05-19 | 1904-05-19 | Pattern for casting gear-wheels. |
Publications (1)
Publication Number | Publication Date |
---|---|
US782674A true US782674A (en) | 1905-02-14 |
Family
ID=2851160
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US20869404A Expired - Lifetime US782674A (en) | 1904-05-19 | 1904-05-19 | Pattern for casting gear-wheels. |
Country Status (1)
Country | Link |
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US (1) | US782674A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2529647A (en) * | 1948-09-17 | 1950-11-14 | Key Company | Pattern for foundry casting molds |
-
1904
- 1904-05-19 US US20869404A patent/US782674A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2529647A (en) * | 1948-09-17 | 1950-11-14 | Key Company | Pattern for foundry casting molds |
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