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Archery bow sight with power saving laser sighting mechanismRelated Patent Categories: Geometrical Instruments, Straight-line Light Ray Type, Structurally Installed, Archery BowArchery bow sight with power saving laser sighting mechanism description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20060112574, Archery bow sight with power saving laser sighting mechanism. Brief Patent Description - Full Patent Description - Patent Application Claims
CROSS REFERENCE TO RELATED APPLICATIONS [0001] This application is a Continuation of International Application No. PCT/US2004/012687 filed Apr. 23, 2004 and published Nov. 4, 2004 as International Publication No. WO 2004/094934, designating the United States, and which claims priority to U.S. Provisional Application Ser. No. 60/464,768 filed Apr. 23, 2003, the teachings of which are incorporated by reference. FIELD OF THE INVENTION [0002] The present invention relates generally to a sighting system for an archery bow. More particularly, the present invention relates to an illumination sighting system for an archery bow that illuminates the target with a light and which provides power saving and convenient on/off switching performance. BACKGROUND OF THE INVENTION [0003] Conventional archery laser sights are typically mounted on a specially provided bracket, such as shown in FIG. 5. Unfortunately, the mounting bracket usually spaces the laser sight from the path of the arrow, which can introduce angular error along much of the arrows path. Therefore the field of accuracy is limited to only those narrow regions around the intersection of the laser's path and the arrows path. [0004] Additionally, the mounting brackets required for most laser sights often replace the fixtures needed for conventional sighting pins or otherwise interfere with the use of conventional sighting pins. While it may often be desirable to use a laser sight over a conventional sighting pin, in very bright lighting conditions the visibility of the projected laser dot may be greatly reduced, making it difficult for an archer to determined the point of aim. In such circumstances the lack of conventional sighting pins may leave the archer without any capability to accurately aim the arrow. [0005] Conventional laser sights are generally activated by a switch that must be manually engaged. However this may increase the time needed to properly acquire a target once spotted. In addition the necessary act of turning the laser sight on or maintaining pressure on a switch may require awkward and uncomfortable positions that may compromise accuracy. SUMMARY [0006] The present invention provides a laser sight for use with an archery bow. The laser sight may be dimensioned and configured to be mounted on a mounting bracket for conventional sighting pins, and may be configured not to interfere with the optional use of the conventional sighting pins. Additionally, the laser sight may be activated by a switch in response to drawing the bow. According to one embodiment, the switch may, for example, have a flexible member attached to a portion of the bow that moves when the bow string is drawn. This aspect may provide hands free activation of the laser sight when the bow is drawn and corresponding deactivation when the draw is released. [0007] According to one aspect, there is provided a laser sight for an archery bow including a laser element having a laser diode, and an activation switch, and a mounting pin extending from the laser element. The mounting pin may be adapted to be received in a sight pin bracket disposed on a bow. [0008] According to another aspect, an archery system is provided including a bow having a first and second limb coupled to a handle at a first end of each limb, and a string extending between a second end of each limb. The archery system may further include a sight bracket disposed on the handle, in which the sight bracket includes at least one sight pin and a laser sight. The laser sight of the archery system may include a laser element having a laser diode, and an activation switch, and a mounting pin extending from the laser element. The mounting pin may be adapted to be received in the sight pin bracket. BRIEF DESCRIPTION OF THE DRAWINGS [0009] Features and advantages of the present invention are set forth by the description of exemplary embodiments of the invention, which description should be understood in conjunction with the accompanying drawings wherein: [0010] FIG. 1 is an elevation view of an exemplary laser sight consistent with the present invention, including an enlarged schematic view showing one exemplary pull switch; [0011] FIG. 1a illustrates an enlarged view of an exemplary pull-switch that may suitably be used with the laser system of FIG. 1; [0012] FIG. 2 schematically illustrates an exemplary proximity switch that may be used with a laser sight consistent with the present invention; [0013] FIG. 3 illustrates an exemplary archery bow set up including a laser sight consistent with the present invention; [0014] FIG. 4 is an enlarged front view of the sight mounting feature of FIG. 3, including a laser sight consistent with the present invention and a conventional sighting pin; and [0015] FIG. 5 illustrates a conventional archery bow set up including a conventional laser sight provided on a separate mounting bracket and showing the effect of angular error with the sight. DESCRIPTION OF EXEMPLARY EMBODIMENTS [0016] An archery sighting device consistent with the present invention directs an illuminating image onto a target for aiming an arrow fired from an archery bow. While the term "laser sight" is used herein to describe the sighting device, a laser illuminating element is only one exemplary illuminating element. Alternative illuminating elements will be apparent to those having skill in the art. [0017] Referring to FIGS. 3 and 4, a general set up of an exemplary laser sight 10 consistent with the invention is shown. The laser sight 10 may be provided having a compact size and shape, which may allow the laser sight 10 to be mounted in a sight pin guard bracket 12, which may be provided on an archery bow, along with any conventional sight pins 14. In one embodiment, the laser sight 10 may be sized such that it does not interfere with the use of the conventional sight pins 14, thereby providing the archer with the opportunity to alternatively aim with either the laser sight 10 or the conventional sighting pins 14. The alternative use of the conventional sighting pins 14 may be especially advantageous in very brightly lit environments that may make a laser dot generated by the laser sight 10 difficult to see. [0018] In addition to not obscuring or replacing the conventional sighting pins 14, the ability to position the laser sight 10 inside the pin guard bracket 12 may place the laser sight 10, and the beam 16 projected by the laser sight 10, generally inline with both the sight pins 14 and the arrow 18 and the arrow path 20. By positioning the laser sight 10 generally along the arrow path 20 the accuracy of the laser sight 10 may be increased over a broader window of yardages. This increased window of accuracy may be provided by reducing the angular error of the system. That is, the farther the laser sight 10 is from the path of the arrow 20, the greater the angle formed between the laser path 16 and the arrow path 20, and therein the narrower the field of accuracy. Conversely, the closer the laser sight 10 is to the path of the arrow 20, the smaller the angle formed between the laser path 16 and the arrow path 20, and therein the broader the field of accuracy. Continue reading about Archery bow sight with power saving laser sighting mechanism... Full patent description for Archery bow sight with power saving laser sighting mechanism Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Archery bow sight with power saving laser sighting mechanism patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. 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