US3659952A - Brush for cleaning gramophone records - Google Patents
Brush for cleaning gramophone records Download PDFInfo
- Publication number
- US3659952A US3659952A US46873A US3659952DA US3659952A US 3659952 A US3659952 A US 3659952A US 46873 A US46873 A US 46873A US 3659952D A US3659952D A US 3659952DA US 3659952 A US3659952 A US 3659952A
- Authority
- US
- United States
- Prior art keywords
- plate
- sleeve
- brush
- reservoir
- cover
- 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
Links
Images
Classifications
-
- 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
- G11B3/58—Cleaning record carriers or styli, e.g. removing shavings or dust or electrostatic charges
- G11B3/589—Cleaning record carriers or styli, e.g. removing shavings or dust or electrostatic charges before or after transducing operation
Definitions
- Brushes consist of a piece of velvet fabric simply stuck on a suitable plate, in order to permit the cleaning of a gramophone record; the tufts of fibers formed on a fabric of this kind are particularly suitable to provide effective brushing and protection of the cut grooves of a record of this kind.
- the present invention is directed to the provision of a remedy for these drawbacks.
- the invention has for its object a brush comprising a plate with which are associated tufts of fiber having dimensions appropriate to those of the grooves of gramophone records.
- the plate comprises a reservoir of liquid and means for supplying liquid from the said reservoir to the said tufts.
- the tufts of fiber are preferably constituted by the usual tufts of a piece of velvet fabric fixed to the plate, and means for supplying liquid to the fibers comprise a spongy and elastic element which is applied against the back of the said piece of fabric.
- a spongy element of this kind can form a reservoir which is remarkably appropriate for stable moisturization of small tufts of fiber and that the elasticity of this element permits a tension to be applied to the piece of fabric which is extremely suitable for the effective brushing of the very small groove flanks by tufts of the kind referred to.
- a brush of this kind is advantageously formed of parts manufactured by mass production, by moulding from suitable plastic material, these parts being designed to permit rapid assembly of the brush by simple fitting operations.
- FIG. 1 is a view in perspective of a brush according to the invention
- FIGS. 3 and 4 show views looking from above and from underneath an element of the brush of FIG. 1, to a smaller scale and with parts broken away;
- FIG. 1 there can be seen a plate 1 on which is fixed a piece of velvet fabric 2 so as to form a brush for cleaning gramophone records.
- the plate 1 of FIGS. 2 and 3 has the general shape of an elongated ellipse with a relatively large thickness.
- Each side wall of this plate comprises three rounded transverse indentations 3, identical to each other and symmetrically arranged with respect to the two axes of symmetry of the ellipse. The sizes of these indentations correspond to those of the fingers of the hand.
- the upper face of the plate 1 is arranged in its central por tion in the form of an elongated recess 4 of small depth and adapted to be covered by a small plate 5 (FIGS. 3 and 5).
- This small plate has the form of an elongated diamond formed inside the contour of the upper face of the plate 1, and its central portion comprises a pivot pin 6 engaged in a hole 7 provided in the corresponding portion of the recess 4 so as to provide, by means ofa conventional fixing means by a washer 8, a pivotal mounting of the cover plate 5 thus constituted, on the plate 1.
- the bottom of the recess 4 is in fact pierced with two elongated orifices 9 which open, together with the central hole 7, into a housing 10 of parallelepiped shape, opening into the lower face of the plate I (FIG. 4).
- the plate 1 and the small plate 5 are produced by injection of plastic material into suitable moulds, and it will thus be understood that a retaining head for the washer 8 can be made by compressing under heat the extremity of the pivot pin 6 of plastic material after this latter has been engaged in the hole 7 of the plate 1 and in that of the washer 8 (FIG. 5).
- the longitudinal profile of the small plate 5 has a curved shape giving a concavity directed towards the pivot pin 6 which, in view of the relatively small thickness and the natural elasticity of the plastic material of which this plate is made, ensures a relatively hard friction contact of the two points 5a of this latter on the extreme portions of the plate 1.
- FIG. 6 there can be seen a sleeve 12 having a rectangular form in plan and comprising on one of its edges an outer flange 12a, the dimensions of which are such as to provide an easy friction engagement on the lateral faces of the housing 10.
- the piece of velvet fabric 2 has the shape of a rectangle, the dimensions of which are adapted to those of the foam element 13, so that this piece of fabric 2 can be applied against the portion of the element 13 which extends beyond the sleeve 12, and the edges of this piece can be folded back along the sides of this sleeve, to which they are fixed by means of a band 14 of rectangular shape.
- a plate 1 with a recess 4 and a housing 10 can be rapidly fitted with a cover 5 and may furthermore provide a sleeve 12 with a spongy element 13, after which this assembly can be covered by a piece of velvet 2 by means of a band 14.
- the fingers ll push back the spongy element 13 against the piece of fabric 2 in order to ensure good contact of these two elements.
- the reservoir formed underneath the recess 4 in the upper portion of the sleeve 12 can then be filled through the orifices 9 with a suitable liquid, in particular water, so as to ensure good moisturization of the piece of fabric 2, by virtue of the capillary nature of the element 13 and of the said fabric.
- a polyurethane foam with open cells plays in fact the part of a pad, which regulates the proportion of humidity in this fabric by the effect of its natural retention of a liquid.
- weft threads and the warp threads of the piece 2 comprise bundles of threads special to a velvet and form tufts which are respectively distributing along lines and rows which tend to be straight due to the effect of the thrust of the element 13, which is compressed inside its sleeve 12.
- This tensioning of the velvet by an elastic cushion is very well adapted to the cleaning of the small grooves of records.
- a brush having an incorporated reservoir for a liquid, which reservoir is refillable, the brush intended for cleaning gramophone records and comprising in combination:
- An outer plate having a peripheral flange forming a chamber open to the exterior
- a sleeve housed and secured in said chamber, said sleeve defining a central space to serve as the reservoir. and said sleeve being partly recessed forming with the flange of the plate a peripheral groove,
- a spongy element introduced partially into the central space of the sleeve and projecting for the most part from said space
- a brush according to claim I wherein the plate has a free face provided with a recess pierced by at least one hole for communication with the central space forming the reservoir.
- a brush according to claim 3 wherein the cover has a central axis passing through a corresponding hole so as to be able to rotate freely therein, said hole being formed in the plate, the cover being held in place elastically on the plate so as to be able to be raised slightly and placed in a position in which it uncovers the recess of the plate.
- a brush according to claim 1 wherein the plate has fingers extending perpendicularly to the inner face of the plate inside the central space of the sleeve forming a reservoir.
Landscapes
- Brushes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6920580A FR2024050A5 (de) | 1969-06-19 | 1969-06-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3659952A true US3659952A (en) | 1972-05-02 |
Family
ID=9036042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US46873A Expired - Lifetime US3659952A (en) | 1969-06-19 | 1970-06-17 | Brush for cleaning gramophone records |
Country Status (2)
Country | Link |
---|---|
US (1) | US3659952A (de) |
FR (1) | FR2024050A5 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0019729A1 (de) * | 1979-05-29 | 1980-12-10 | Peter Weil | Vorrichtung zur Reinigung von empfindlichen Oberflächen fester Körper |
US4257616A (en) * | 1978-05-22 | 1981-03-24 | Viennaplex Fabrik fur Kunststofferzeugnisse Ernst Pless KG | Phonograph record cleaning device |
US4553871A (en) * | 1984-03-01 | 1985-11-19 | Minnesota Mining And Manufacturing Company | Device for cleaning phonograph stylus |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2185575A (en) * | 1938-03-28 | 1940-01-02 | Michigan Metalcraft Company | Dispensing can for cleaning liquid |
US2307224A (en) * | 1941-04-15 | 1943-01-05 | Russell B Kingman | Leakproof applicator closure for dispensing containers |
US2814060A (en) * | 1954-10-05 | 1957-11-26 | Theodora T Aschenbach | Shoe dauber |
US2873464A (en) * | 1956-03-19 | 1959-02-17 | Sidney N Rosenthal | Stenciling devices |
US2958886A (en) * | 1959-01-12 | 1960-11-08 | Clarence R Taylor | Phonograph record cleaner |
US3133308A (en) * | 1962-03-29 | 1964-05-19 | House For Men Inc | Applicator |
US3351417A (en) * | 1966-02-16 | 1967-11-07 | Schwartzman Gilbert | Applicator with spring pressed cover |
-
1969
- 1969-06-19 FR FR6920580A patent/FR2024050A5/fr not_active Expired
-
1970
- 1970-06-17 US US46873A patent/US3659952A/en not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2185575A (en) * | 1938-03-28 | 1940-01-02 | Michigan Metalcraft Company | Dispensing can for cleaning liquid |
US2307224A (en) * | 1941-04-15 | 1943-01-05 | Russell B Kingman | Leakproof applicator closure for dispensing containers |
US2814060A (en) * | 1954-10-05 | 1957-11-26 | Theodora T Aschenbach | Shoe dauber |
US2873464A (en) * | 1956-03-19 | 1959-02-17 | Sidney N Rosenthal | Stenciling devices |
US2958886A (en) * | 1959-01-12 | 1960-11-08 | Clarence R Taylor | Phonograph record cleaner |
US3133308A (en) * | 1962-03-29 | 1964-05-19 | House For Men Inc | Applicator |
US3351417A (en) * | 1966-02-16 | 1967-11-07 | Schwartzman Gilbert | Applicator with spring pressed cover |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4257616A (en) * | 1978-05-22 | 1981-03-24 | Viennaplex Fabrik fur Kunststofferzeugnisse Ernst Pless KG | Phonograph record cleaning device |
EP0019729A1 (de) * | 1979-05-29 | 1980-12-10 | Peter Weil | Vorrichtung zur Reinigung von empfindlichen Oberflächen fester Körper |
US4553871A (en) * | 1984-03-01 | 1985-11-19 | Minnesota Mining And Manufacturing Company | Device for cleaning phonograph stylus |
Also Published As
Publication number | Publication date |
---|---|
FR2024050A5 (de) | 1970-08-21 |
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