US657956A - Graphophone-cylinder. - Google Patents

Graphophone-cylinder. Download PDF

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Publication number
US657956A
US657956A US73701699A US1899737016A US657956A US 657956 A US657956 A US 657956A US 73701699 A US73701699 A US 73701699A US 1899737016 A US1899737016 A US 1899737016A US 657956 A US657956 A US 657956A
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Prior art keywords
cylinder
record
mandrel
graphophone
cylinders
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US73701699A
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Ademor N Petit
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L7/00—Supporting of pipes or cables inside other pipes or sleeves, e.g. for enabling pipes or cables to be inserted or withdrawn from under roads or railways without interruption of traffic

Definitions

  • Patented Sept. :18, I900 Patented Sept. :18, I900.
  • TN Noam: uns 00., FwYo-urna, WASNKNGTON, n. a
  • the object of my invention is to overcome these difficulties.
  • My invention is a new article of manufacture; and it consists of a cylinder or record of celluloid in which the respective ends are bent inward, so as to leave the opening of adiameter to fit upon the taper mandrel of the machine, and which openings at the ends of the cylinder are of less diameter than the interior diameter of the cylinder.
  • These cylinders are light and strong and the surface is hard and they do not have to be handled with any particular care, and special devices do not have to be provided for storing or carrying about the same.
  • Figure 1 is an elevation of a cylinder upon the mandrel
  • Fig. 2 is an elevation of the mandrel and longitudinal section of the cylinder or record.
  • the cylinder or record a is formed from a tube of celluloid or similar material of an external diameter agreeing with the diameter of the cylinders or records already in use and upon the market.
  • the tube is of sufficient thickness for strength, but is withal exceedingly light, and the interior diameter is somewhat greater than the diameter of the mandrel at any point.
  • the respeciive ends are softened and are bent inward.
  • the end b is inwardly curved and of the greatest diameter, and the. end 0 is bent inward in a tapering form, preferably, and is of the lesser diameter.
  • the cylinder or record is produced of one piece of ma terial,'the ends being integral and bent inward, preferablyof the form shown in the longitudinal section.
  • a cylinder or record for phonographs, graphophones or similar machines formed from a tube with the ends integral and bent inward and provided with openings of different diameters
  • a cylinder or record for phonographs, graphophones or similar machines of celluloid formed from a tube with the ends integral and bent inward and provided with openings of different diameters so that they fit upon the taper mandrel of the machine, substantially as set forth.

Description

Patented Sept. :18, I900.
No. 657,956. A. N. PETIT.
GRAPHOPHONE CYLINDER.
(Application flied Nov. 15, 1899.
(No Model.)
WGT
TN: Noam: uns 00., FwYo-urna, WASNKNGTON, n. a
*UNITED STATES PATENT OFFICE.
ADEMOR N. PETIT, OE NEWARK, NEW JERSEY.
GRAPHOPHONE-CYLINDER.
SPECIFICATION forming part of Letters Patent No. 657,956, dated September 18, 1900. Application fil d No b 15,1399. Serial No. 737,016. (No model.)
To all whom it may concern:
Be it known that I, ADEMOR N. PETIT, a
I citizen of the United States, residing at Newark, in the county of Essex and State of New Jersey, have invented a new and useful 'Improvement in Record-Cylinders for Phonographs, Graphophones, and Similar Instruments, of which the following is a specification.
As heretofore constructed, records or cylinders for phonographs, graphophones, and similar machines have been made from a preparation of wax or similar material. These records have been of considerable thickness and appreciable weight. They have been made with a taper opening through the center to receive and fit upon the taper mandrel of the machine. These records have beeu of a delicate nature, because they were easily broken and the surface was readily marred or disfigured if accidentally brought in contact with anyhardersubstance. Oonsequentlytheyhad to be very carefully handled, and special devices have been made for receiving, storing, and carrying the said records from place to place.
The object of my invention is to overcome these difficulties.
My invention is a new article of manufacture; and it consists of a cylinder or record of celluloid in which the respective ends are bent inward, so as to leave the opening of adiameter to fit upon the taper mandrel of the machine, and which openings at the ends of the cylinder are of less diameter than the interior diameter of the cylinder. These cylinders are light and strong and the surface is hard and they do not have to be handled with any particular care, and special devices do not have to be provided for storing or carrying about the same.
In the drawings, Figure 1 is an elevation of a cylinder upon the mandrel, and Fig. 2 is an elevation of the mandrel and longitudinal section of the cylinder or record.
The cylinder or record a is formed from a tube of celluloid or similar material of an external diameter agreeing with the diameter of the cylinders or records already in use and upon the market. The tube is of sufficient thickness for strength, but is withal exceedingly light, and the interior diameter is somewhat greater than the diameter of the mandrel at any point. In order that the tube may fit upon the taper mandrels in use and be concentric therewith, the respeciive ends are softened and are bent inward. The end b is inwardly curved and of the greatest diameter, and the. end 0 is bent inward in a tapering form, preferably, and is of the lesser diameter. I prefer to bend the ends in in such a manner that the cylinder or record so formed slips readily upon the mandrel of the phonograph, graphophone, 0r other.machine and .when in place is held with sufficient friction to prevent any possibility of the cylinder or record slipping on the mandrel. The cylinder or record is produced of one piece of ma terial,'the ends being integral and bent inward, preferablyof the form shown in the longitudinal section. These cylinders possess lightness and strength and are comparatively inexpensive, and they are not readilybroken, and there is a great savingiu weight over and above cylinders of ordinary construction.
In my application for Letters Patent, Serial No. 734,933, filed October 27, 1899, I have described the method of and materials for treating the surface of cylinders or record-blanks of this character, so that the record may be impressed upon the surface of the cylinder in the same manner as the record is impressed upon the wax surface of the ordinary cylinder.
I claim as my invention 1. As a new article of manufacture, a cylinder or record for phonographs, graphophones or similar machines, formed from a tube with the ends integral and bent inward and provided with openings of different diameters,
so that they fit upon the taper mandrel of the machine, substantially set forth.
2. As a new article of manufacture, a cylinder or record for phonographs, graphophones or similar machines of celluloid and formed from a tube with the ends integral and bent inward and provided with openings of different diameters so that they fit upon the taper mandrel of the machine, substantially as set forth.
Signed by me this 13th day of November, 1899.
ADEMOR N. PETIT.
Witnesses:
GEO. T. PINCKNEY, E. E. POHER.
US73701699A 1899-11-15 1899-11-15 Graphophone-cylinder. Expired - Lifetime US657956A (en)

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US73701699A US657956A (en) 1899-11-15 1899-11-15 Graphophone-cylinder.

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US73701699A US657956A (en) 1899-11-15 1899-11-15 Graphophone-cylinder.

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