Abstract: A release device for pulling the midsection of a bow string, the device having a slot for receiving the bow string, and a pair of balls that engage one another to close the slot to retain the bow string until such time as the user manipulates a trigger to permit separation of the balls and release the bow string.

Abstract: A multiple purpose wall mounted adjustable exercise device has an upstanding elongated frame including two upright spaced parallel guide posts and an upper pulley and a lower pulley attached to the upper and lower portions of the frame, respectively. A resistance means operatively connected to the frame provides an exercising force in response to exercising motions of the user. A two-ended cable is trained around the upper and lower pulleys with its ends connected to the resistance means. A grip slidably attached to an intermediate portion of the cable is trained around and between two guide pulleys attached to a carriage that is carried by the frame. Guide pulleys guide the intermediate portion of the cable laterally outwardly from the carriage to provide a working loop for engagement by the grip. The height of the carriage is selectively adjustable relative to the frame. The length of the working loop remains substantially constant when not pulled, regardless of the height of the carriage.

Abstract: An improved body-exercising device has a pair of dollies supported for movement along two guideways and permits a user to stand with one foot on each dolly and laterally separate the dollies to exercise the body. Foam pads are affixed to the dollies to receive the user's feet and to afford the freedom of movement necessary to the exercise while also affording control of the dolly. The device further includes an adjustable connection fixing the distance between the guideways and preventing their lateral movement. A compressible rolling surface may be provided on the guideways for use with rollable dollies to increase the rolling resistance encountered by the dollies.

Abstract: A compound bow includes improved cam members eccentrically mounted upon the bow limb tips and each provided with a main body section having a curved lever section extending outwardly therefrom. A groove or track in the periphery of the main body section extends about the outer periphery of the lever section to provide a continuous over-lapping track disposed in a single vertical plane. A bowstring end is disposed within each lever section track while each main body section track receives the cam end of a tension cable. Adjustable or replaceable elements allow for the ready synchronization of the two cam members as well as variation of the bow draw weight.

Abstract: A target launcher for launching a target in the form of a propeller-shaped, air foil or wing having a reversible motor with a launching head connected to the end of the motor shaft and which head includes a holder for releasably supporting thereon the propeller-shaped target. The motor is energized by a control circuit, which when activated, will effect rotation of the motor in one direction to retain the target in place on the launching head and to effect the release of the target when circuit is activated to reverse the direction of the motor. To vary the point of release of the target, the reversible motor is mounted to oscillate or rotate in as much as the motor is activated.

Abstract: A compact, portable archery bow square head especially useful during hunting or field trips is provided which serves to accurately locate the nocking point on a bow string. The bow square head preferably includes a generally planar main member, a pair of spaced apart bow string-engaging clips projecting from the main member, a concical lug projecting outwardly from the main member in the same direction as the string-engaging clips, and an elongated, threaded lug projecting outwardly from the main member in opposed linear relationship with the conical lug. The conical lug is designed to support any of a variety of sizes of arrow nocks, and the threaded lug is designed to threadably receive the internally threaded, arrowhead fitting of an arrow shaft.

Abstract: An improved archery bow assembly is provided which includes an archery bow having an arrow shelf and sidewall defining an arrow window, an archery arrow and an improved arrow rest disposed in and behind the window and supporting the arrow in the window for shooting. The rest includes a bracket, and first and second arrow supports connected to the bracket and supporting the bottom and at least one side of the arrow. The bracket has an arm releasably locked to the sidewall through an elongated slot, which arm extends horizontally rearwardly of the bow and is interconnected to a rear connector plate. A horizontal transversely extending cross arm passes through and is clamped in the connector below the rearwardly extending arm. The cross arm bears in a slot thereof the first arrow support in the form of an upwardly and forwardly extending flexible blade, preferably having a small raised flange at the outer margin of its forward end. The cross arm is rotatable to set the angle of the blade.

Abstract: A weighted device which is suitable for wearing about either the appendages or the body of the user thereof to build strength and for similar purposes. The present device is preferably constructed of a plurality of elongated weights interconnected in spaced relation to each other and enclosed within a fabric sleeve and encapsulated in a closed cell material with a soft vinyl coating which gives flexibility without bulging and eliminates bunching and shifting of the weights during violent maneuvers such as rapid movement exercises.

Abstract: The unit includes a single rowing and seat component connected to a simplified braking mechanism. The slideable seat is attached to a monorail frame. The braking unit has an adjustably geared flywheel connected to a plurality of fan-type blades. The rowing component includes a handle attached to a drive chain which propels the flywheel.

Abstract: An exercise vest that selectively allows weight capsules to be inserted into pockets thereof. The vest material overlaps in the front and includes a fastening device for securely wrapping and holding the vest around the chest, back and shoulders of its wearer. The weight capsules are of a uniform size and shape and fit snugly into the weight pockets. Each weight capsule has at least one weight securely held therewithin. All weights used in connection with the weight capsules are of a uniform size and mass. A wide range of weights may be placed within the vest by selectively inserting a desired number of weight capsules, each having a desired number of weights therein, into the weight pockets of the vest. The vest allows free movement of the arms and is adapted to be worn while participating in conventional athletic activities, such as volleyball, basketball, racquetball, tennis and the like.

Abstract: An improved mechanical bowstring release device has a hollow, preferably generally cylindrical housing having a central space defined by a pair of spaced flanges and a retainer bar pivotably secured to the housing in the space, one end of the bar projecting from the housing when the bar is pivoted into a bowstring-drawing locked position, the bar also being pivotable to a bowstring-releasing unlocked position. A link extends longitudinally of and is pivoted in the housing space and the rear portion thereof defines a V-shaped rearwardly facing receptacle into which is inserted the pointed front portion of a trigger arm. The arm is pivotably secured in the housing space and is rearwardly and laterally of the housing. Couplers connect the front end of the link and the coupling end of the bar. A spring urges the front end of the arm into a position which locks the bar.

Abstract: A ball pitching machine having a spring powered pitching arm and having a dispensing mechanism with a de-jammer device for individually dispensing balls from a supply hopper and a ball loading device for automatically positioning a ball on the pitching arm for each cycle of the apparatus. The de-jammer device has a reciprocating roller positioned above a tilting floor which tilts between a horizontal position for receiving balls from the supply hopper to a tilted position for discharging balls into a ball feed channel. The ball feed channel delivers a supply of balls to the ball loading device. The reciprocating roller limits the balls supported on the floor to only a single layer while the floor is in its tilted position.

Abstract: A portable lightweight body-anchored exercising apparatus for use in exercising the human body made up of a frame, a pair of ropes with free ends pullable by a user, weights for resisting the pulling forces, and a base connected to the frame and on which the user rests his body during performance of exercises to hold the apparatus in place so that it does not move in response to the generally upward forces created by the pulling of ropes by the user. Additionally, the exercising apparatus includes a pulley system to permit the user to move his exercising limbs a distance greater than the excursion of the weights, handles for the user to grasp while pulling the ropes, sheaves for controlling the movement of the ropes, and guide pins for guiding the weights so that they cannot swing outwardly and harm the user. The weights are attached to the ropes with hooks to allow them to move jointly with the ropes.

Abstract: Exercising apparatus includes a structural framework having a number of positions for the stationing of different types of exercising machines. Each of the machines is of the type which employs a pulley system to lift a variable weight. All of the pulley systems share a common central pulley which is pivotally attached to the framework. A single rope or cable is attached to the variable weight, passes through the central pulley, and is removably attachable to the appropriate component of each of the exercise machines. The pivoting central pulley thus allows the weight to be selectively attached to the desired machine by means of the cable.

Abstract: In a crossbow an elongated casing is connected at one end with a bowstring trigger release mechanism. A pair of bowstring interconnected wings are pivotally connected to the other end of the casing with the wings being normally biased forwardly in aligned position transversely of the casing by a compression spring within the casing moving a flexible element entrained around arcuate portions of the wings longitudinally of the casing. Toggle linkage, contained by the casings, bears against one end of the compression spring to increase its article projecting potential following intital cocking of the bowstring.

Abstract: An arrow point puller is provided having a shaft member, an anvil member at one end of the shaft member, and an arrow point connecting portion at the other end for connection to an arrow point embedded in a tree or the like. A hammer member is detachably connected to one end of the shaft member for slideable movement along the shaft member to impart longitudinal hammer blows to the anvil member thereby linearly applying withdrawal force to an embedded point to withdraw the point without applying bending or twisting moment to either the embedded arrow point or the arrow point puller assembly. The subject arrow point puller also includes apparatus for attaching it to an archery bow for use as a stabilizer.

Abstract: An exercising apparatus in which the body is supported while being restricted to rotary movement of upper and lower torso portions one relative to the other. Restriction of movement isolates the abdominal muscle group while accomplishing "full range" exercise as herein defined.The apparatus includes an upper torso engaging backrest and a lower torso engaging backrest and seat so that the user is supported in a generally seated position. Weights and a variable cam provide a variable resistance force to pivotal movement when the upper torso engaging backrest and the lower torso engaging backrest and seat are moved toward and away from each other.

Abstract: A bench type exerciser device has a pad (6) which is swivel-mounted on a rotatably mounted lever (5). This lever (5) is swingably connected, via a connecting member (17), to one end of an arcuate lever arm (13), the other end of which is hinged to a lockable lever (10) which is threadingly mounted about the shaft (2). A lockable sliding element (14) is connected to the arcuate lever arm (13), to which is hinged one end of a pneumatic spring (16) while the other end of the pneumatic spring is fixedly hinged to the shaft (2). The pad (6), which is affixed to the lever (5), serves to exercise the back muscles of a person who is lying prostrate on a reclining surface (18) and who must lift, with his back, the pad (6) against a resisting force. The lockable lever (10) serves to alter the initial position of the rotatably mounted lever (5), so that the starting angle of the body of the exercising person can be individually chosen.

Abstract: The sling-shot apparatus includes a handle with lateral arms to which an elastic cord is attached to form a sling. A projectile holding member is connected to this sling and also, a guide structure provided for guiding the movement of the projectile holding member along a rectilinear path when the elastic cord is stretched and released. Sighting members can be provided on the guide structure so that much greater accuracy is possible with the sling-shot.

Abstract: An elongated guide member is held by a support for associating it with a bow in a longitudinal direction relative to the shooting motion of the bowstring. The guide member slidably receives a projectile arranged to be propelled by the bowstring. The guide member is slidably held in the support so that it can be positioned forwardly when the bow is not being used but can have rearward movement during drawing motion of the bowstring. In one embodiment of the invention, the guide member employs telescoping parts for compacting the length thereof when not in use. A projectile used with the shooting guide preferably has a nocking point forward of its longitudinal center of gravity for stabilized shooting.