US828836A - Reproducer for graphophones. - Google Patents

Reproducer for graphophones. Download PDF

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Publication number
US828836A
US828836A US21498204A US1904214982A US828836A US 828836 A US828836 A US 828836A US 21498204 A US21498204 A US 21498204A US 1904214982 A US1904214982 A US 1904214982A US 828836 A US828836 A US 828836A
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United States
Prior art keywords
stud
lever
diaphragm
pin
sound
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Expired - Lifetime
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US21498204A
Inventor
Harvey R Brocius
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JAMES A HAVEN
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JAMES A HAVEN
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Priority to US21498204A priority Critical patent/US828836A/en
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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/44—Styli, e.g. sapphire, diamond
    • G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank

Definitions

  • My invention relates to reproducers or adapted for use on ar -mold cylinder-records, such as the Edison or Columbia.
  • Figure 1 is a side view.
  • Fig. 2 is a plan view looking at the diaphragm.
  • Fig. 3 is an enlarged sectional view on line a: a: of Fig. 2.
  • Fig. 4 is an enlarged broken sectional view on line y y of Fig. 2, showing the manner in which the sounder-arm engages the stud or pin secured to the diaphragm; and
  • Fig. 5 is an enlarged view of the sa phire point.
  • t e sound-box which is made of hard rubber or aluminium, preferably the latter, and is of the ordinary general shape and size.
  • Said sound-box is preferably provided with a ball-joint 2 for connection with the graphophone-carriage and has a pin 3 for holding said ball-joint in place.
  • the walls or rim around the other open end of the sound-box are preferably beveled inwardly, as at 4.
  • the glass diaphragm 5 is arranged between two washers 6 and is held in place walls above described. Near the center of said diaphragm is secured a stud or pin 8, which has a small hole 9 transversely there through, while its outer end is niched or grooved, as at 10.
  • a fiat equalizing-spring l1 fastened at one end to the rim of the frame, is ointed at the other end, where it engages t e opening 9 in said stud or pin. Also secured to the rim of said body portion,
  • two s ort arms 12 project outwardly,
  • a crossin carrying the stylus-lever 13 which exten s over the diaphragm and has its extr'emity adapted to engage the niche or groove in the stud or pin 8.
  • Said lever is held firmly upon said stud or pin by means of a coiled spring 14, wrap ed around said cross-pin and having one en thereof en aging said lever and the other one of said s ort arms 12.
  • a short arm 15, hollow at one end to receive the sap hire point or tracing-stylus 16 is secured to t e lever 13 at an acute angle with the end bearing upon the stud or pin 8.
  • Said sapphire point or stylus is preferably shaped as shown in Fig. 5, having its record-engaging end made in the form of atruncated cone, with its extremity as the base of the cone.
  • a sound-box for graphophones having the inner walls .of the rim round its diaphragmreceiving depression beveled inwardly, a diaphragm arranged in said depression, a spring adapted to engage the inner beveled walls of said rim to retain said diaphragm in place, a stylus-lever, and means to connect said lever to said diaphragm.
  • a sound-box for graphophones having a diaphragm, a stud or pin secured to said diaphragm, a stylus-lever pivotally con nected to said sound-box and adapted to bear upon said stud, an equalizing-spring fastened at one end to said sound-box and at the other'end engaging said stud between said lever and diaphragm, and means to retain said lever incontact with said stud.
  • a sound-box for graphophones having a diaphragm, a stud or pin secured to said diaphragm, said stud or pin having a erforation transversely therein, an equa izingspring fastened at one end to said sound-box and at the other end engaging the perforation in said stud, a stylus-lever pivotally con nected to said sound-box and adapted to bear upon said'stud, said lever carrying a stylus, and means to retain said lever in contact with said stud.
  • a sound-b'ox-for graphophones having a diaphragm, a stud or pin secured to said diaphragm, said stud or pin having a niche or groove in its end, a stylus-lever ivotally connected to said sound-box and aving its extremity adapted. to 'bear in said niche 'or groovetin said stud, an equalizing-spring for said stud or pin arranged between said lever and diaphragm, and means to retain said lever in contact with said stud.
  • a s0und-box for graphcxphones having a diaphragm, a stud secured to said diasaid stud having a perforation trans-- '-carrying a stylus, and means to retain said lever in contact with said stud.
  • a sound-box forgraph-ophones havin a diaphragm, a stud or pin secured to sai dia hragm, said stud having a transverse pe oration and a niche or groove in its end, a flat spring secured at one end to said soundbox and its other end reduced in width and engaging the perforation in said a in, a styluslever pivotally connected to sai frame with its end adapted to bear in said niche or groove in said stud, means to retain said lever in contact with said stud, and a stylus-carrying arm fixed to said lever and form-i an acute angle with the end of said lever W- 'ch bears upon said stud.

Description

No. 828,836. v PATENTBD AUG. 14; 1906.
H. R. BROCIUS. REPRODUCER FOR GRAPHOPHONES. APPLICATION FILED JULYl 1904 'soundboxes for gra ho hones particularly ing the preferred embodiment of my invenby a spring 7, which engages the beveled UNITED STA S 1 m OFFICE.
HARVEY R. BROCIUS, OF SU M MERVlLLE, PENNSYLVANIA, ASSIGNOR 0F ONE-HALF TO JAMES A. HAVEN, OF SUMMERVILLE, PENNSYLVANIA.
REPRODUCEB FOR GRAPHQPHQ'NES.
racemes Aug. 14, race.
To all whom it may concern:
Be it known that I, HARVEY R. BRooIUs, a 1 citizen of the United States, residing at Summerville, in' the county of Jefferson and State of Pennsylvania, have invented certain new and useful Improvements in Reproducers for Graphophones; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
My invention relates to reproducers or adapted for use on ar -mold cylinder-records, such as the Edison or Columbia.
The invention consists of the details of construction and combination of parts hereinaf= ter described, and more particularly pointed out in the claims.
In the accompanying drawings, illustrattion, Figure 1 is a side view. Fig. 2 is a plan view looking at the diaphragm. Fig. 3 is an enlarged sectional view on line a: a: of Fig. 2. Fig. 4 is an enlarged broken sectional view on line y y of Fig. 2, showing the manner in which the sounder-arm engages the stud or pin secured to the diaphragm; and Fig. 5 is an enlarged view of the sa phire point.
Referrin more particu arly to the drawings, 1 is t e sound-box, which is made of hard rubber or aluminium, preferably the latter, and is of the ordinary general shape and size. Said sound-box is preferably provided with a ball-joint 2 for connection with the graphophone-carriage and has a pin 3 for holding said ball-joint in place. The walls or rim around the other open end of the sound-box are preferably beveled inwardly, as at 4. The glass diaphragm 5 is arranged between two washers 6 and is held in place walls above described. Near the center of said diaphragm is secured a stud or pin 8, which has a small hole 9 transversely there through, while its outer end is niched or grooved, as at 10. A fiat equalizing-spring l1, fastened at one end to the rim of the frame, is ointed at the other end, where it engages t e opening 9 in said stud or pin. Also secured to the rim of said body portion,
preferably opposite where said spring is fastened, two s ort arms 12 project outwardly,
I and between them is pivotally mounted a crossin carrying the stylus-lever 13, which exten s over the diaphragm and has its extr'emity adapted to engage the niche or groove in the stud or pin 8. Said lever is held firmly upon said stud or pin by means of a coiled spring 14, wrap ed around said cross-pin and having one en thereof en aging said lever and the other one of said s ort arms 12. A short arm 15, hollow at one end to receive the sap hire point or tracing-stylus 16, is secured to t e lever 13 at an acute angle with the end bearing upon the stud or pin 8. Said sapphire point or stylus is preferably shaped as shown in Fig. 5, having its record-engaging end made in the form of atruncated cone, with its extremity as the base of the cone.
It has been found that the style of sapphire point or stylus just described is easier on the record and will not reproduce cracks or scratches on said records as plainly as the makes now in use. The arm 15 being arranged at an angle with the lever 13 allows the stylus to ride smoothly over the record.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is
1. A sound-box for graphophones having the inner walls .of the rim round its diaphragmreceiving depression beveled inwardly, a diaphragm arranged in said depression, a spring adapted to engage the inner beveled walls of said rim to retain said diaphragm in place, a stylus-lever, and means to connect said lever to said diaphragm.
2. In a sound-box for graphophones having a diaphragm, a stud or pin secured to said diaphragm, a stylus-lever pivotally con nected to said sound-box and adapted to bear upon said stud, an equalizing-spring fastened at one end to said sound-box and at the other'end engaging said stud between said lever and diaphragm, and means to retain said lever incontact with said stud.
3. A sound-box for graphophones, having a diaphragm, a stud or pin secured to said diaphragm, said stud or pin having a erforation transversely therein, an equa izingspring fastened at one end to said sound-box and at the other end engaging the perforation in said stud, a stylus-lever pivotally con nected to said sound-box and adapted to bear upon said'stud, said lever carrying a stylus, and means to retain said lever in contact with said stud.
4. A sound-b'ox-for graphophones having a diaphragm, a stud or pin secured to said diaphragm, said stud or pin having a niche or groove in its end, a stylus-lever ivotally connected to said sound-box and aving its extremity adapted. to 'bear in said niche 'or groovetin said stud, an equalizing-spring for said stud or pin arranged between said lever and diaphragm, and means to retain said lever in contact with said stud. f
5. A s0und-box for graphcxphones, having a diaphragm, a stud secured to said diasaid stud having a perforation trans-- '-carrying a stylus, and means to retain said lever in contact with said stud.
6. A sound-box forgraph-ophones, havin a diaphragm, a stud or pin secured to sai dia hragm, said stud having a transverse pe oration and a niche or groove in its end, a flat spring secured at one end to said soundbox and its other end reduced in width and engaging the perforation in said a in, a styluslever pivotally connected to sai frame with its end adapted to bear in said niche or groove in said stud, means to retain said lever in contact with said stud, and a stylus-carrying arm fixed to said lever and form-i an acute angle with the end of said lever W- 'ch bears upon said stud.
in testimony whereof I aflix'my signature in presence of two witnesses.
HARVEY R. BRQGIUS. Witnesses:
H. D. ULAKK,
I. B. MCLAUGHLPY
US21498204A 1904-07-01 1904-07-01 Reproducer for graphophones. Expired - Lifetime US828836A (en)

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