Safe instrument case and protection devices
A violin or viola case alleviates potential damage pathways by including one or more protective features. In one aspect, a safety device knocks down the bridge upon the occurrence of crushing contact, impact with the lid of the case or sharp movement. The safety device may be part of the case, or may be provided as an add-on attachment for an existing case. By harnessing the shock or movement to collapse the bridge when trauma to an instrument case occurs, the instrument experiences a low-impact, broad area slap against the top by the face of the bridge as it is knocked down, and collapse of the thin vertical bridge leaves free space between the instrument and the case to prevent damage upon further impact or movement. A well secures the bow in a protected recess away from the instrument. The case in another or further aspect includes parametric monitor, or monitor and control, that detects and records environmental parameters and out-of limit conditions such as temperature, humidity and impact that may affect instrument integrity. The parameters are monitored, values logged, and records displayed, preferably effecting wireless transmission of records and alarm conditions. A method of safe transport includes providing an instrument with a sacrificial bridge and transporting in a case fitted with a bridge knock-down instrument protector.
This application is related to and claims the benefit of U.S. Provisional Application Ser. No. 61/194,874 filed on Oct. 1, 2008.
FIELD OF THE INVENTIONThe present invention relates generally to the protection of musical instruments, and more particularly, to a protective case and related features and devices thereof for securing and protecting a stringed instrument, such as a violin.
BACKGROUNDBecause stringed musical instruments are relatively fragile and often costly, cases designed to protect musical instruments from harm have long been a necessity. Musicians commonly store, and carry, their instruments in such cases. Nevertheless, an instrument may still suffer damage while in its case. This occurs most commonly when the case comes into contact with another object or is improperly handled. In such situations, impact may cause the instrument to make damaging contact with certain portions of the case or with accessories stored therein. High impact force may be transmitted through the case to the instrument, or may deform the case into contact with the instrument. Even without damaging contact between the case and the instrument, excessive shock or impact forces may cause cracks to form, particularly when age and/or dryness have already produced brittleness and/or dimensional changes in the wooden components and have placed portions of the instrument under tensile stress.
Typically, instrument cases are contoured coffin-like boxes possessing a lid that opens to receive the instrument and that shuts to secure the instrument inside the case. A violin or viola sits generally flat on its back in the case, within a contoured recess that prevents excessive lateral movement, and the highest point of the instrument is the bridge, which extends at a 90-degree angle from the top surface toward the lid of the case. Typically one or more stick-like bows used for playing the instrument are also stored and carried within the case. These are generally arrayed above the instrument along the length of the case, i.e., parallel to the axis of the instrument, and positioned a short distance to either side of the bridge, secured by shallow brackets or straps attached to and protruding from the roof of the case.
Some damage may occur to an instrument even when it is in its case. Violin and viola cases as a rule are of lightweight construction for portability, and the upper surface of the instrument case, is broad and often relatively flat, thus being prone to deflect under a heavy load or strong impact. When the top is deformed inward by a crushing force or impact, it may contact the bridge such that the force or impact is directly transmitted to the top of the instrument. Similarly, high force applied to the bottom of the case, may be transmitted to the bottom of the instrument. When an event involves movement in addition to shock, it may urge the body of the instrument upwardly, pushing the bridge against the lid of the case. The bridge itself in any case exerts a large downward static pressure against the top of the instrument due to the tension of the strings resting upon it, and the bridge stands on two small feet that are closely fitted to the contour of the top surface of the instrument, so that the downward force from string tension as well as any forces from impacts applied to the bridge from the case are transmitted to the body of the instrument entirely through these two small areas of foot contact.
In addition to impact or crushing damage, instruments become more susceptible to certain forms of damage from extremes of humidity or temperature, and sudden changes in temperature, and from prolonged dryness and disuse. While such changes are only remotely related to the case itself, a typical case offers only a small or temporary degree of protection against changes in temperature or surrounding dryness or humidity. Some modern instrument cases include a dial thermometer and/or a humidity indicator to apprise the owner of these two parameters, and it is also common for the owner to maintain a small humidifier, such as a sachet or sock of hydrated silica, inside the case or even inserted into a sound hole of the instrument to provide a relatively constant level of humidity when the instrument is not in use. The padding and textile lining and/or cover of a commercial case itself affords some protection, for a short while, against changes of temperature or humidity, but this protection is limited by the low thermal mass, moisture capacity and generally small size of an instrument case.
An instrument, or an accessory such as a bow, may also suffer damage when a bow falls from its retaining mechanism and lies transverse to the instrument. In such event, when the case is closed it may force the bow against the instrument, cracking or breaking the bow, cracking or denting the instrument, or damaging both. Less extreme forms of contact, such as a poorly-secured bow may lead to other damage, such as scratching or pitting damage to the top surface of the instrument.
Some additional background may help understanding the fragility of instruments of the violin family. These instruments are traditionally made with a top plate, or “belly”, formed of a tone wood such as spruce or cedar, which is quite light and stiff, and has its grain oriented parallel to the length of the instrument. The top plate is therefore susceptible to cracking along the grain. These instruments also possess a sound post, a small-diameter wooden column wedged between and acoustically coupling the top and bottom plates. Like the bridge, it is under a high degree of compression when the strings are taut, and this construction results in a point-site where great pressure is exerted upward against the underside of the belly (and downward against the upper side of the back) by the post at a point that is typically offset only a few millimeters from the treble-side foot of the bridge. Impacts transmitted through the bridge thus produce great pressure at the bridge foot, immediately adjacent to a similarly great counter pressure exerted in the opposite direction by the sound post. Since the sound post force is exerted against the underside of an arch, any such impact is likely to cause a crack to form directly over the sound post. Such a sound post crack is among the most serious type of damage an instrument may incur. It must be repaired with great skill in order for the instrument to play well, and the process of repair, involving a precision grafting of a matched tone wood patch is both expensive and likely to lower the perceived value of the instrument. In fact, sound post cracks are so serious that their repair may not be worth performing at all unless the instrument is of substantial emotional, historical or monetary value.
To minimize the likelihood of damage, some cases have been designed to utilize thicker or stronger material, such as wood laminate or modern carbon fiber or other composites. In addition, some cases employ curved or dome like lids for added strength and rigidity, and a high end case may include some form of non-rigid suspension, like an elastic web, to avoid transmitting shock to the instrument. In addition, most modern cases include a relatively strong outer shell or puncture resistant cover, and some form of filling, such as a foam or rib structure that resists crushing or aids in retaining the overall shape of the case.
While these features provide basic protection for the instrument, such features may still not completely prevent the case from compressing. Furthermore, cases having these features may impose burdens of weight, awkwardness of shape and handling, or cost (in the case of advanced composites). It therefore remains desirable to provide an instrument case of improved security and protection.
SUMMARY OF THE INVENTIONThis is achieved in accordance with the instant invention by a case construction that alleviates potential damage pathways. In one aspect this is accomplished by a safety device that knocks down the bridge upon the occurrence of crushing contact or impact with the lid of the case. The safety device may be part of the case, or may be provided as an add-on attachment for an existing case. In this aspect, the instant invention is of lightweight design and can generally be used in any new or existing instrument case without altering the original shape of the case. By harnessing the shock or movement to collapse the bridge when trauma to an instrument case occurs, the instrument experiences a low-impact, broad area slap against the face of the bridge as it is knocked down, and collapse of the thin vertical bridge leaves free space between the instrument and the case so no damage occurs. Thus, the instrument is protected.
In accordance with another or further aspect of the invention, the instrument is secured by providing a parametric monitor, or monitor and control, that detects and records environmental parameters affecting instrument protection.
In accordance with this aspect of the invention one or more sensors selected from among a temperature sensor, a humidity sensor and an impact or movement sensor are mounted in the case and their data are monitored and recorded so that the instrument owner can detect relevant environmental conditions, their magnitude and duration, and is thus enabled to take corrective measures, even before any damage occurs.
In accordance with another aspect of the invention, the protective instrument case may be configured with one or more storage wells, each sized to hold a bow, and extending longitudinally along the central body of the case parallel to and in substantially the same plane as the instrument itself, and located adjacent to, rather than above, the instrument. This positions the bows where they cannot possibly dangle or be placed to damage the instrument. It also allows the case to be constructed with a shallower outer height or profile, and permits the lid of the case to accommodate cross-members, such as an arched I-beam or contoured plate for greater crush resistance to substantially prevent collapse or downward deformation of the lid.
The bridge knock-down device may, for example, be configured as a set of parallel wedge-shaped protrusions that extend downwardly from the lid and present oblique surfaces. The wedges are positioned over the spaces between strings, and the tip of each wedge is positioned along a line just past the bridge, such that if the lid flexes downward, the oblique surface of the wedge contacts and slides against the top edge of the bridge, forcing the top edge forward toward the fingerboard and causing the bridge to be knocked down flat with a pivoting motion. The wedges constituting the knock-down protector are preferably made of a light and relatively soft material, such as balsa wood, and the bridge-contacting face of each wedge may be covered with a strip of stiff acetate or other suitable film to assure a low friction sliding contact while preventing the top of the bridge from digging into the wedge. In other embodiments, the wedge may be formed of flexible angled fingers of polymeric construction. Preferably the material, or the material and it's shape, are such that if urged past the point at which the bridge has been knocked down, or if urged entirely down against the instrument, the wedge body itself will crack, crumble or flatten, or will release and collapse without damaging the top of the instrument. The knock-down device may be built into the case, or may be provided on a separate sheet that can be fitted in position and attached, for example with VelCro™ fastening material, to the lid of an existing case.
The foregoing description outlines, broadly, several of the more important features of the instrument protection device of the present invention, it being understood that one or more of these features may be present in a case. Further description follows, in connection with illustrative figures in order that the present contribution to the art may be better appreciated, and forming the subject matter of the claims appended hereto.
In this respect, before explaining at least one embodiment of the invention in detail, it is to be understood that the invention is not limited in its application to the details of construction and to the arrangements of the components set forth in the following description or illustrated in the drawings. The invention is capable of other embodiments and of being practiced and carried out in various ways. Also, it is to be understood that the phraseology and terminology employed herein are for the purpose of the description and should not be regarded as limiting.
Advantages of the present invention will be apparent from the following detailed description of exemplary embodiments thereof, which description should be considered in conjunction with the accompanying drawings, in which:
As further indicated in
Also seen in
The illustrated embodiment of protection device 10 is substantially block-shaped and possesses at least one angled side 12. Moreover, the device 10 is preferably detachably secured to the lid 102 of an instrument case, by Velcro or other fastening means that permits convenient fitting and alignment such that the lower portion of the angled edge 12 is positioned slightly above the top edge of the stringed instrument bridge. As shown in
While collapse of the bridge in this manner frees up the space above the instrument, in some instances, if great enough force were applied to cause the lower portion of the device 10 to come into contact with the body 30 of the instrument once the bridge has fully collapsed, the device might wedge against and potentially damage the instrument body. To guard against this, it is preferred that the device 10 be manufactured from a soft material such as, but not limited to, balsa wood, neoprene rubber or other suitable firm but deformable or collapsible material, or that the oblique surface 12 be otherwise structurally supported, by a releasable brace or the like, such that it bears slideably and firmly against the bridge 20, but deforms or collapses when urged further toward the instrument after the bridge has been knocked down. This way, if the device 10 comes into contact with the instrument body and force is continuously applied, the device 10 will crumble or collapse instead of piercing or crushing the instrument body. To further prevent the device 10 from acting as a crushing wedge, it is preferable to construct the device 10 from a plurality of thin identical cross sections that are held together in suitable alignment by a plate or sheet (see
In one embodiment, the invention may encapsulate an instrument protection device 10 comprising a substantially block shaped member comprising at least one angled edge, said substantially block shaped member detachably secured to an inner lid of a stringed instrument housing, wherein said substantially block shaped member is positioned substantially above a bridge of an instrument to be housed and wherein when force is applied to a plurality of areas on said stringed instrument housing, said substantially block shaped member forces said bridge to collapse along said at least one angled edge 12 of said substantially block shaped member.
Additionally, the substantially block shaped member may comprise a substantially trapezoidal shape and also may comprise a plurality of identical members in communication to form said substantially block shaped member. Each individual of said plurality of identical members comprises an upper edge 14 and a lower edge 16 wherein said upper edge 14 is parallel to said lower edge 16 and wherein said upper edge 14 comprises a portion which extends further in a horizontal direction than a corresponding portion of said lower edge 16. What's more, at least one angled edge 12 is disposed to join said portion which extends further in a horizontal direction than a corresponding portion of said lower edge 16 to said corresponding portion of said lower edge 16. In this manner, at least one angled edge 12 makes a substantially acute angle with said upper edge 14 and a substantially obtuse angle with said lower edge 16. In the preferred embodiment, the device comprises at least one angled edge 12 that makes a forty-five degree angle with said upper edge 14. Finally, a substantially non-angled edge 18 is disposed to join an upper edge 14 opposite said portion which extends further in a horizontal direction than a corresponding portion of said lower edge 16 remaining end to a corresponding end of said lower edge 16. It is preferred that said substantially non-angled edge 18 is substantially perpendicular to said upper edge 14. Where the term edge is used above, these may be faces of a solid member having the described mechanical properties, or the structure may be built of wires, braces or beams which together define the oblique knock-down structure.
In one embodiment, the device 10 is positioned such that said upper edge 14 is removably attached to an inner lid of a stringed instrument case in a region substantially horizontally proximal to a location of a bridge member of a respective instrument to be placed within said stringed instrument case. In addition, at least one angled edge 12 is positioned in substantial vertical proximity, but non contacting to, said bridge member of a respective instrument to be placed within said stringed instrument case.
While in use, at least one portion of the angled edge 12 moves downwardly and engages a top portion of said bridge member of a respective instrument to be placed within said stringed instrument case upon application of a force upon a frontal area of said stringed instrument case, thereby collapsing said bridge member of a respective instrument to be placed within said stringed instrument case along the angled edge 12. Alternatively, the top portion of the bridge member of a respective instrument to be placed within said stringed instrument case may move upwardly and engage at least one portion of the angled edge 12 upon application of a force upon a posterior area of the stringed instrument case, thereby collapsing the bridge along the angled edge 12.
Preferably, at least one angled edge 12 is laminated with a thin layer of acetate 12a as described above so as to prevent the bridge member of a respective instrument from piercing the angled edge 12 when collapsing along the angled edge 12. Moreover, it is preferred that the layer of acetate 12a has a thickness of 0.3 mm. To further prevent any damage to the instrument, the individual prong or protrusion of the assembly may be comprised of a soft material selected from the group consisting of balsa wood, flexible braced structures, reasonably rigid but deformable polymers or other construction allowing said device to collapse, fold or crumble if pressed further down against said instrument.
In use, the present invention best functions when in communication with a system for transport of a stringed instrument comprising a stringed instrument retaining apparatus comprising at least two sides, a multi-faceted actuation component comprising two parallel faces, and at least one substantially perpendicular face, at least one contact face wherein upon compression of at least one of said two sides, said at least one contact face is disposed to depress a bridge section of a stringed instrument such that an angle of incidence of said bridge to said stringed instrument is altered from ninety degrees to zero degrees in order to protect said instrument from compressive forces.
Thus, in light of this, the present invention will adopt a method of readying a stringed instrument for transport comprising the steps of introducing a removably attached sacrificial bridge member to a stringed instrument, placing said stringed instrument into a stringed instrument retaining mechanism, securing a protection member to an inner lid of a stringed instrument retaining mechanism, positioning said protection member slightly above said bridge of said stringed instrument, and closing said stringed instrument retaining mechanism.
In accordance with another aspect of the present invention, a protective instrument case 100 as schematically illustrated in
Thus, embodiments of the invention include novel structural and mechanical arrangements that protect against several previously intractable mechanisms of physical damage to a stringed instrument, as well as novel sensing and reporting instrumentation that greatly extends an owners' awareness of instrument conditions. The various embodiments reduce the likelihood or even possibility of instrument damage, and in cases where effects become unavoidable, serve to document and confirm events such as insured damage incidents.
The invention being thus disclosed and illustrative embodiments thereof described, modifications and variations thereof will occur to those skilled in the art, and all such modifications and variations are considered to be included in the scope of the invention as defined by the claims appended hereto.
Claims
1. An instrument protection device for mounting to or incorporation in a lid of a case of a stringed instrument such as a violin, viola, cello or the like wherein the instrument has a bridge, wherein the protection device comprises a safety contact member configured to knock down the bridge when urged into contact therewith such that forces of impact and/or string tension are not transmitted to the instrument through the feet of the bridge, thereby protecting the instrument from damage.
2. An instrument protection device according to claim 1, having an angled edge and being positioned above a bridge position of an instrument to be housed in the case, such that application of force to said stringed instrument housing causes said edge to contact and collapse the bridge thereby averting damage to the instrument.
3. An instrument protection device according to claim 2, having a substantially block shaped member comprising at least one angled edge, said substantially block shaped member being detachably secured to an inner lid of a stringed instrument housing, and positioned substantially above a bridge of an instrument to be housed such that when force is applied to a plurality of areas on said stringed instrument housing, said substantially block shaped member forces said bridge to collapse along said at least one angled edge of said substantially block shaped member.
4. The instrument protection device of claim 3, wherein said substantially block shaped member comprises one or more substantially trapezoidal shaped members configured to form said substantially block shaped member.
5. The instrument protection device of claim 3, wherein said substantially block shaped member comprises a plurality of projections positioned to tip the bridge of the instrument.
6. The instrument protection device of claim 2, configured for being removably attachable to an inner lid of a stringed instrument case in a region substantially proximate to a bridge position of a respective instrument to be placed within said stringed instrument case.
7. The instrument protection device of claim 6, wherein said at least one angled edge is positioned in substantial vertical proximity to but not contacting, said bridge member of a respective instrument to be placed within said stringed instrument case.
8. The instrument protection device of claim 7, wherein at least one portion of said angled edge moves downwardly and engages a top portion of said bridge member of a respective instrument to be placed within said stringed instrument case upon application of a force to said stringed instrument case, thereby collapsing said bridge member of a respective instrument to be placed within said stringed instrument case along the angled edge.
9. The instrument protection device of claim 7, wherein said top portion of said bridge member of a respective instrument to be placed within said stringed instrument case engages at least one portion of said angled edge upon application of a force to a region of said stringed instrument case that causes relative movement of the instrument and case so as to collapse said bridge along the angled edge.
10. The instrument protection device of claim 8, wherein said at least one angled edge is laminated with a thin layer of hard or slideable material, such as acetate, PTFE or other stiff low friction polymer, to prevent said bridge from piercing or catching on said angled edge when collapsing along said angled edge.
11. The instrument protection device of claim 5, wherein each of said plurality of projections comprises a soft material or releasable structure that allows said device to crumble, collapse or release if pressed down against the surface of said instrument.
12. A method of readying a stringed instrument for transport comprising the steps of:
- providing a sacrificial bridge member to a stringed instrument;
- placing said stringed instrument into a stringed instrument retaining mechanism;
- securing a protection member to an inner lid of a stringed instrument retaining mechanism, said protection member being effective to knock down the bridge upon impact thereby avoiding damage to the instrument during transport.
13. A protective case for carrying or storing a stringed instrument, the case comprising a case top and a bottom, and being configured to secure the instrument therein while protecting the instrument from damage.
14. A protective case according to claim 13, wherein the case protects the instrument against crushing or impact damage, and includes at least one protective device selected from among
- a bridge knock-down assembly; and
- a bow storage well effective to isolate a bow carried in the case from contact with the instrument.
15. A protective case according to claim 13, wherein the case includes therein at least one sensor of an environmental parameter affecting instrument integrity, said at least parameter being selected from the group consisting of temperature, humidity, relative humidity, shock, acceleration and impact; and further including means for recording and/or communicating detected values of said at least one sensor.
16. A case according to claim 15, wherein the means for recording and/or communicating includes a data logger and optionally a display.
17. A case according to claim 15, including means for communicating detected data via wireless transmission.
18. A case according to claim 15, further including means for identifying an alarm condition or dangerous threshold of an environmental parameter.
19. A case according to claim 15 further including a controller effective to perform analysis and reporting of sensed parameter values.
20. A protective case according to claim 14, having a bow storage well extending longitudinally within the case and located adjacent to and in the plane of an instrument-holding recess.
Type: Application
Filed: Sep 29, 2009
Publication Date: Jul 8, 2010
Inventor: Marco Luigi Coppiardi (Boston, MA)
Application Number: 12/586,919