| System and method for three-dimensional animation of rod-arm puppet extremities -> Monitor Keywords |
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System and method for three-dimensional animation of rod-arm puppet extremitiesRelated Patent Categories: Amusement Devices: Toys, Figure Toy Or Accessory Therefor, Having Mechanism Or Manipulatable Means To Move Figure Or Figure PortionSystem and method for three-dimensional animation of rod-arm puppet extremities description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20060094330, System and method for three-dimensional animation of rod-arm puppet extremities. Brief Patent Description - Full Patent Description - Patent Application Claims
BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates generally to puppets commonly referred to as rod-arm puppets; and, more particularly, to a method and system for removably securing a control rod to the extremity of a rod-arm puppet to allow natural, three-dimensional movement of the extremity. [0003] 2. Description of Related Art [0004] A rod-arm puppet (or generically, a "muppet") is generally known as a "puppet" type, movable doll, or three-dimensional figure that is manipulated by a puppeteer with at least one hand inside the puppet used to operate an opening and closing mouth and at least one control rod for operating at least one flexible extremity. Over the past 60 years, these puppets have become increasingly popular. These doll-like, entertainment figures or devices, sometimes referred to as muppets (a combination of "marionette" and "puppet"), were more recently made famous by Jim Henson and the Jim Henson Company and have become very popular in a number of venues. [0005] A rod-arm puppet is distinguished from ventriloquist "dummies", which are typically animated only in the head and face, in that rod-arm puppets arms or other features are also mobile and expressive. Rod-arm puppets are typically made of softer materials. They are also presented as being independent of the puppeteer, who is usually not visible, hidden behind a set or outside of the camera frame. Rod-arm puppets are distinguished from a "marionette" which is typically animated from above by strings. Rod-arm puppets are also distinguished from a "stick puppets" which has rigid jointed extremities and is actuated by manipulation of a single rod connected to the back torso of the device, and its mouth does not move. [0006] The most common design for a rod-arm puppet is a character with a very wide mouth and large protruding eyes. The puppets are typically molded out of polyfoam, and then covered with felt or artificial fur. Yarn, nylon string, or, most commonly, artificial feathers are used to create hair. [0007] In operation, the puppeteer typically holds the puppet above his head or in front of his body, and operates the hands and arms with a control rod. One consequence of this design is that most rod-arm puppets are left handed as the puppeteer uses his right hand to control the face, and the control rod is operated by the left hand. There are many other common designs and means of operation. In advanced rod-arm puppets, several puppeteers may control a single character; the performer who controls the mouth usually provides the voice for the character. As technology has evolved, the Jim Henson team and other puppeteers have developed an enormous variety of means to operate puppets for film, including the use of suspended rigs, internal motors, remote radio control, and computer enhanced and superimposed images. This has allowed for scenes in which a rod-arm puppet, for example, appears to be riding a bicycle. [0008] The control rod is a distinguishing feature of a rod-arm puppet and controls one or more extremities, usually the hands. Since the arms and legs of the figure are flexible, control rods attached to the hands give the figure "extremity animation." Previously, control rods have been attached in a number of less than desirable ways, usually to the wrist or ankle. Rod attachment designs have remained essentially static since the inception of these puppets. [0009] The standard for rod-arm puppet arm manipulation has been a rod with a securing device externally attached (elastic, plastic cable ties, etc.) to the wrist of the puppet. One end of the rod is secured under the securing device at the puppet's wrist joint. The opposite end is held by the puppeteer. This yields the characteristic "floppy hands." Other disadvantages of this system include: damage to the puppet's external fabric; compression damage to wrist materials; rod arm disconnection during inappropriate times such as live performance; limited range of motion of the extremity; a visually detectible wrist bracelet of elastic (the securing device); anatomically inaccurate arm positions (distorted). One advantage is that these prior art devices are detachable. [0010] Semi-permanent and/or permanently attached rods are also available. They require a device such as an alligator clip implanted into the puppet's wrist. This method, however, has its own disadvantages including eventual fabric damage at site of insertion; rod arm disconnection during inappropriate times such as live performance; limited range of motion of the puppet hand, wrist, arm, and shoulder joints. The prime disadvantage is lack of motion in two independent planes, i.e. normal anatomical movement. Because the attachment of the control rod is stationary, all movements are in an arc about the rod connection. This makes the animation stilted (unnatural) with the hands (feet) "flopping" uncontrollably. In addition, the fingers on the hand are of cloth which makes them "flop" and prevents hand expressions using the fingers. [0011] Many web sites, dedicated to muppets, carry long recitations on the various ways of attaching the control rod to the extremities. Many have given extensive thought to the problem with the evolution of very exotic and complicated devices. One such device is contained in recently issued U.S. Pat. No. 6,663,312 issued on Dec. 16, 2003 to Cary, et al. In this device a thin, firm material base contains a slotted tube and attached clip inserted through the base and secured to the base with bolt retainers. The bolt retainers keep the tube secure within the base. The base is encased in a split cylindrical foam material to provide for support, shape and proper alignment when used in an internal application such as a puppet wrist. In addition, a rod with a ground end can be temporarily inserted into the tube and attached clip assembly, providing a temporary, yet secure connection while allowing for rotational movement of the rod within the tube. The temporarily secure connection is a result of the friction of the inserted rod coming into contact with the straight side of the clip within the interior diameter of the tube. For the temporary secure connection to take place, the rod must be inserted into the tube past the point of engaging the straight side of the clip within the interior diameter of the tube. The connection can be disengaged by grasping and pulling the rod out of the tube, thus releasing the friction between the clip and the rod. This device still does not provide natural three-dimensional movement causing the extremity movement to appear jerky. [0012] Thus, hand-held puppet rod-arm technology has been in need of advancement beyond straight wire and rubber bands for decades. None-to-date have afforded true three-dimensional movement while being detachable, regardless of how complicated the design. As can be seen by the recitation above, the most recent devices are at the very least complicated, if not cumbersome and restrict movement. Therefore, it would be advantageous to have a system and method for detachable, secure attachment of a rod-arm to the extremity of a rod-arm which is simple, inexpensive and allows an expanded three-dimensional range of motion that is more realistic. Specifically, a system which provides movement of the puppet extremity in a vertical plane while the rod remains vertical; and, in a horizontal plane while the rod remains vertical. It would be further advantageous to have a rod-arm puppet connection system that does not deteriorate the materials or fabric of the puppet arm; does not cause compression of the wrist joint; does not employ an external bracelet or other securing device that detracts visually; that can be intentionally disconnected as needed, but cannot become disconnected without intent; and, importantly, a system to provide a naturally positioned arm and hand movement without canting or skewing the control rod during operation, i.e. no jerky movement or "floppy hands". SUMMARY OF THE INVENTION [0013] In accordance with the invention, there is provided an easily installed and inexpensive system and method for detachably securing a control rod to the extremity of a rod-arm puppet which provides the ability to engage in natural three-dimensional extremity movements. The system allows for a secure, detachable attachment that is capable of swiveling movement, in two planes, simultaneously, to provide 3 degrees of freedom. Thus, the system, although very secure during use, is easy to disconnect for storage. In addition, the method of securing is virtually invisible with all connection and disconnection activity occurring at one very small point internal the puppet hand and/or foot. This allows the puppet wrist joints to remain essentially untouched and eliminates visual distraction and "floppy hands". [0014] In accordance with the invention, a system for detachably securing a control rod to the flexible extremity of a rod-arm puppet in a manner to allow true, natural three-dimensional extremity movements is provided. The system includes a first, more or less rigid, support structure attached to the interior of the extremity proximate the distal end of the extremity (for example, the hand or foot) which carries, securely mounted thereon, the stud portion of a mechanical fastener; and, a control rod having fixedly attached, proximate its distal end, a second flexible support member carrying the closure portion of the mechanical fastener such that the system provides rotational movement in two planes simultaneously, as well as means for detaching the control rod from said extremity for transportation and/or storage. [0015] In accordance with invention, the stud portion and the closure portion of the mechanical fastener can be reversed such that the closure is fastened to the first support structure within the distal end of the extremity, and the stud is carried by the second flexible support attached to the distal end of the control rod. The second flexible support member is fastened to the control rod such that the closure portion is able to rotate greater than 90' about the longitudinal axis of the control rod. Advantageously, the stud is attached to said first and/or second support structure by means of a mechanical anchor, an adhesive, or the like and the second support which is flexible comprises leather, stiffen cloth or the like. In an advantageous embodiment, the mechanical closure is a snap fastener employing a stud and socket closure wherein the stud is immovably affixed to the first support inside the palm of the puppet, beneath the material covering. In a further embodiment, the first support member carries thereon a number of outstanding, bendable members, such as, for example, sculpture wire, which extend into the cloth fingers in the hand of the puppet. In accordance with this embodiment, these bendable members can be formed so that the puppet hands can, for example, point or grasp an object. BRIEF DESCRIPTION OF THE FIGURES [0016] The objects, features, and advantages of the present invention will be apparent to one skilled in the art, in view of the following detailed description in which: [0017] FIG. 1 is a front cutaway view showing the first supporting structure containing the stud, attached thereto, interior the hand of the puppet in accordance with the system of the invention; [0018] FIG. 2 is a rear view of the cover portion of the closure element of a snap fastener affixed to the second flexible support which, in turn, is fixedly attached to the control rod in accordance with the system of the invention; [0019] FIG. 3 is a front view of the socket portion of the closure element of a snap fastener affixed to the second flexible support which, in turn, is fixedly attached to the control rod in accordance with the system of the invention; [0020] FIG. 4 is side view of the system of the instant invention showing the two elements of the snap fastener in the unsnapped or open configuration as supported on the first and second support structures; [0021] FIG. 5 is side view of the system of the instant invention showing the two elements of the snap fastener in the snapped or closed configuration as supported on the first and second support structures; Continue reading about System and method for three-dimensional animation of rod-arm puppet extremities... 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