Abstract: An archery device comprising a bowstring draw and trigger release mechanism wherein a trigger releasably retains a sear that actuates a release lever, the latter being used for releasing the bowstring loop incorporated in the device. In a preferred form of the invention the sear is provided with a roller or wheel that engages the engaged extremity of the release lever. Structure is provided for adjusting sear pressure relative to the shoulder of the notch provided the trigger; additionally, a locking screw is provided for adjusting the overlap of the sear surface with said shoulder. The finger grip employed posterior of the trigger is made adjustable for convenience of use by the operator.

Abstract: A safety dyna-bender is disclosed having a center cord with considerable flexibility and proper length installed in the hollow section of a dyna-bender through the coupling of a pair of cup-shape positioning anchors, which are respectively disposed at each end of the handle pipes rigidly connected to the steel spring coil thereof. The arrangement of the center cord and the cup-shape positioning anchors within the structure of the dyna-bender provides a safety assurance in protecting the user against any unexpected accidents resulting from either the breaking of the steel spring coil or the sudden loose of the handle pipe of the dyna-bender during exercise.

Abstract: The assembly includes an archery bow with an arrow shelf and sidewall defining an arrow window and an arrow rest disposed in and behind the window and supporting an arrow in the window for shooting from the bow. The rest has a mounting bracket which includes a mounting arm rigidly secured at a plurality of points to the bow sidewall on the side opposite the window. The arm extends horizontally rearwardly to a point behind the bow. The arm's rear end bears a groove in which a transverse crossbar is slideably received. The crossbar has a long slot in it and a scale around the slot. A screw clamps the arm and bar together through the groove and slot. The screw can, if desired, be geared to the slot, so that rotation of the screw moves the crossbar transversely. The bar bears a rotatable post behind the window.

Abstract: A bow string is retained between the rubber block in the notch and the retaining pin projecting laterally from the sear which is engaged by the retractable plunger. When the trigger is mounted on the plunger pull pin is either pushed or pulled, the pin is pulled back to retract the plunger and release the sear which then releases the bow string. The sleeve on the end of the pull pin can be adjusted to adjust the trigger travel necessary to release the sear. The handle is captured between the body and the head of the connector threaded into the body so the handle can be rotated relative to the body and secured in a desired position.

Abstract: A weight training device includes a splint-like member adapted to be attached to the underside of the forearm of a person engaged in exercising with training weights. The splint-like member extends from a point sufficiently below the elbow to permit flexing of the arm to a point in the palm of the hand. Structures are provided for attaching the splint-like member to the forearm and for attaching a training weight, such as a dumbbell or barbell, at the wrist section of the splint-like member. The splint-like member is curved upwardly at the palm end so as to provide a grip for the fingers.

Abstract: A target trap for multiple disk targets having a base, an elevational arm, a lower target throwing arm rotatably mounted to a shaft on the elevational arm, and a power device to rotate the lower target throwing arm. An upper target throwing arm is hingedly mounted by its trailing edge to the trailing edge of the lower arm and a linkage device varies the separation between the leading edges of the upper and lower arms causing targets to be thrown at varying speeds and angles.

Abstract: A crossbow trigger mechanism is provided having three mechanically operable lever elements designated as a string holding cylinder, trigger lever and a locking lever. These three lever elements are mounted for pivotable rotation in a substantially common plane about parallel axes. Their axes are relatively positioned such that a mechanical interlock is formed between the cylinder and trigger lever when the cylinder is in a string holding position to prevent release of a string and between the trigger lever and locking lever when the locking lever is in a locking position with respect to the trigger lever to prevent the trigger lever from being moved. A torsion spring is provided and interconnected between the locking lever and trigger lever to provide a biasing force for rotation of the locking lever in either direction dependent upon whether the lever is in a locked position or an unlocked position.

Abstract: An exercising device is provided to exercise the knee and ankle by providing straps attached to elastic members wherein the operator's foot is firmly grasped and the entire apparatus is held in place by the user attaching it to the back of a chair with the user sitting in said chair and moving his ankle and knee against the tension created by the invention on said knee and ankle. A strap forming a noose is attached to the ends of the elastic members. A force on the noose by a user's limb causes the noose to tightly engage the limb of a user.

Abstract: A torsion type exercise device including three sections hinged to each other in a manner which allows the device to be folded up so that the three sections rest in a position adjacent to each other and to be folded out to allow the said three sections to form a platform upon which exercises can be performed. One of the sections has a handle fastened to it to facilitate transporting the device in the folded condition. One of the sections has fastened to it a strap or device which can be used to fasten an individual's legs or other body parts to the platform during the performance of "sit-ups" or other exercises requiring or facilitated by the fastening of an individual's legs or other body parts to the platform. One of the sections contains an adjustable torsion spring mechanism connected to pulleys, cables, and handles fashioned in a manner to offer an adjustable resistance to an individual's muscular movements as he pulls on the handles.

Abstract: Apparatus and method for exercising the abductor or adductor muscles in which the legs of the user are moved away from and toward one another and in which resistance to leg movement varies in predetermined relationship to leg movement. The apparatus is connected through link structure to accommodate rotation of the legs relative to the torso supporting structure. The rotations of the legs, both away from and toward each other, of a user is resisted by weights that are raised and lowered.

Abstract: A copound bow having low-rotation cams includes an improved anchor member adapted to releasably attach one end of both a bowstring and tension cable to each cam. The cams are formed with a main body or lobe joined to a secondary body or lobe and configured to provide an elongated throat therebetween with a planar cable/bowstring track or groove about the cam periphery. The opposed walls of the cam throat are configured to transversely or laterally receive the anchor member while precluding any longitudinal or radial displacement thereof as tension is applied to the cam member by the engaging ends of the bowstring and tension cable.

Abstract: An archery bow is provided with a system whereby of which the force applied to bending the bow is multiplied when the drawstring is pulled back by the user. This is accomplished by attaching a second string between the bow limbs and using a mechanical gearing or other force-multiplying system actuated by a lever which is pulled with the main drawstring. At full draw both strings are simultaneously released. Electrical, hydraulic or pneumatic force multiplying devices can also be used to draw the second string.

Abstract: A bow-and-arrow accessory of the type stabilizing a bow when attached thereto has a detachable portion for removal of embedded arrow points, that includes a straight rod with a set-screw equipped weight. The weight is slidable on the straight rod for adjustably varying the moment arm of the weight when the rod is attached to a bow. The weight is also slidable as a hammer against an anvil on a first end of the rod for axially with-drawing an embedded arrow point when the second end of the rod is attached to an embedded arrow point. The hammer action results in axial withdrawal and so eliminates dangers of damaging arrow points by wrenching, rocking or prying, and lowers risk of slipping and straining injury to the person removing an embedded arrow point.

Abstract: A bench press apparatus having a bench carried on a frame. The apparatus includes two spaced apart upstanding members that have on their respective ends two spaced apart arms for receiving a barbell. Underneath the apparatus there is a support for supporting at least one dumbbell. Said support includes structure to prevent a dumbbell from moving laterally. On the underneath side of bench there is structure to support the bar of a barbell. The bar prevents the removal of a dumbbell from its support under the bench.

Abstract: Disclosed herein is an exercise device which simulates the conditions of boardsailing and develops the particular body muscles used in boardsailing. The device has a curvilinear boom, a first tension line secured adjacent the extended ends of the boom, a tension transmission member adjustably secured to the first tension line intermediary of the ends thereof, a second line, one end of the second line being secured to the tension transmission member and the other end being adapted to be secured to an anchor member, and an adjustment plate carried by the second line for varying the distance between the tension transmission member and the anchor member.

Abstract: Apparatus for supporting an arrow on a bow, the apparatus including a main support having a transverse spindle which has an arrow rest at one end and which is adjustable independently both axially and rotatably.

Abstract: A bow and arrow rest which includes a cantilever in the form of an extending free and of a wire which is pivotably mounted near the middle of a bow and movable on that pivot between an extended position to underlie and support an arrow shaft as a bow string is drawn and then released, and a retracted position so as to not interfere with passage of the rearward portion of the arrow. The cantilever is biased toward the extended position by a permanent magnet acting on the end of the wire opposite the end which supports the arrow. In a preferred form the wire is pivotably supported by an L-shaped bracket with the bracket being mounted to the bow by a bolt which also provides lateral positioning of the arrow on the arrow rest.

Abstract: A ball throwing apparatus for practicing baseball, tennis and the like and including a rotating body with a ball receiving port on one side and a ball projecting port on the other side, and a ball holder and a held ball releasing provided at the ball projecting port; the ball put through the ball receiving port is accelerated in the direction of rotation of the rotary body, and the ball is projected out from the ball projecting port at a predetermined speed and in an exact predetermined direction by releasing the centrifugal force instantaneously at a previously set angle or projecting the ball out from the ball projecting port in the tangential direction of the circle of rotation of the ball.

Abstract: An archery bow has the usual grip portion for manually holding the bow with one hand and also has a bowstring extending between opposite ends of the bow arms. Mechanism is supported on the bow which is arranged to pre-load energy into the bow in a step prior to shooting the arrow, such pre-loaded energy being releasable by a draw force on the bowstring. The bow has controls for holding the pre-load and for releasing such pre-loaded energy.

Abstract: An exercising and body-building apparatus of the type in which a carriage having weights suspended therefrom is urged through ascending movement along guide rods during exercising use thereof, wherein a handle attachment of the carriage is vertically adjustable so that the exerciser can more conveniently use the apparatus in either prone or standing position. Also significant is the use of linear bearings in the carriage which obviates binding during the ascending carriage movement, even when the handle is in its most remote adjusted position from the carriage and thus exhibits the greatest tendency to cause a rotative movement in the carriage.