Abstract: Various embodiments provide a masking system to apply a mask to a workpiece, comprising: a frame structure, an application head, an X-axis movement element, a Y-axis movement element, a Z-axis movement element, and a workpiece movement element. The frame structure comprising a workpiece support. The application head can be configured to apply film to a workpiece. The application head can comprise a vacuum roller comprising a rotatable cylindrical body with an outer surface; a film roll comprising film wrapped around a spool; a cutting element configured to cut the film to separate a portion of the film from a remainder of film on the film of the film roll, and a guide element disposed between the film roll and the vacuum roller. The guide element is moveable. The guide element is configured to contact an unwound portion of the film between the film roll and the vacuum roller.

Abstract: An archery arrow end includes a main body that has a first end and a second end. The main body defines a longitudinal axis. The archery arrow end includes a tip positioned at the first end. The tip has a blunt end. The archery arrow end includes an arrow shaft connector positioned at the second end. The arrow shaft connector is configured to be attached to an arrow shaft. The archery arrow end includes flexible wings that extend from the main body in a direction at least partially toward the second end. Each wing has a free end configured to move toward and away from the longitudinal axis.

Abstract: A projectile launcher includes a frame having a vertical grip and a forearm brace configured to stabilize the projectile launcher using a user's arm. The projectile launcher includes a drawstring hub rotatably mounted to the frame and rotatable in a first direction and a second direction. Movement of a drawstring away from the drawstring hub corresponds with rotation of the drawstring hub in the first direction and movement of the drawstring toward the drawstring hub corresponds with rotation of the drawstring hub in the second direction. The projectile launcher includes at least one flexible limb attached to at least one power cable. A power cable section of the drawstring hub, where the power cable is connected, has a let-off portion. The let-off portion has a first section having a first diameter and a second section having a second diameter and the first diameter is greater than the second diameter.

Abstract: A crossbow is configured to shoot a projectile. The crossbow includes a frame defining a horizontal projectile plane. The projectile moves within the horizontal projectile plane when the crossbow is fired. The crossbow includes pulleys and cams to improve performance of the crossbow.

Abstract: A health service system for caring for the health of a patient. In one example, the health service system operates to present media content in association with a telehealth consultation. The health service system generates a virtual waiting room for display on a patient device, which presents a media content presentation. After the media content presentation has concluded, the health service system facilitates the telehealth consultation between a patient and a care provider. In some configurations the health service system further includes at least one hub care facility. The hub care facility includes a locked door with a scanner that unlocks the locked door upon scanning a time sensitive door unlock code; and a locked medication locker with a scanner that unlocks the locked medication locker upon scanning a medication locker unlock code.

Abstract: A stock includes a first end that has a stock mounting interface that is configured to mate with a like interface of a weapon. The first end has a quiver mounting feature configured to attach to a quiver. The stock includes a second end that has a quiver pocket defined therein to at least partially receive a portion of a quiver therein. The quiver pocket has at least one quiver grip positioned therein.

Abstract: A projectile launcher includes a frame that has a front and rear end. A projectile is configured to be propelled from the front end of the frame and the projectile is movable along a projectile axis during firing and arming of the projectile launcher. The projectile launcher includes a latch movable between the rear end of the frame and the front end of the frame along a travel axis and is attached to a crank mechanism via a tether. The projectile launcher also includes flexible limbs that drive a drawstring of the projectile launcher during the firing of the projectile launcher.

Abstract: A crossbow includes a frame that has a front end and a stock at a rear end. A projectile moves along a projectile axis that extends between the rear end and the front end during firing. The crossbow includes a power source that is configured to fire the projectile. The crossbow includes a latch that is movable between the rear end and the front end of the frame. The latch has a main body that defines a nock aperture aligned with the projectile axis and configured to receive a portion of the projectile therein. The crossbow includes a projectile guide connected to the main body of the latch and positioned adjacent the projectile axis. The projectile guide is configured to interface with the projectile when the projectile is in a misaligned rotational position, and be positioned between portions of the projectile when the projectile is in an aligned rotational position.

Abstract: The present disclosure provides tools, systems, and methods for leveling and aligning tiles. A tile leveling tool for guiding installation of tiles on an uneven installation surface comprises: an elongated main body extending along a longitudinal axis thereof, from a first end to a second end, wherein the main body further comprises a flat reference side, wherein the reference side has a straight reference edge parallel to the longitudinal axis; and at least one adjustable spacer extending from the main body configured to extend toward the installation surface, wherein the adjustable spacer is configured to adjust a space between the main body and the installation surface to arrange the reference edge straight across the uneven installation surface and to guide the installation of the tiles evenly.

Abstract: Methods for manufacturing insulating glass units (IGUs) include providing an unsealed IGU assembly that has first and second sheets of glass material and at least one spacer frame between the first and second sheets and sealed to at least one of the first and second sheets. The unsealed IGU assembly defines an interpane space and an IGU passage providing fluid communication between the interpane space and an environment external to the interpane space. In some cases the method includes positioning a filling device next to the IGU passage and introducing a gas into the interpane space through the IGU passage using the filling device. In some cases the method includes delivering a sealing material or sealing structure to the IGU passage with the filling device to seal the interpane space. Corresponding systems for manufacturing IGUs are also provided.

Abstract: An archery arrow end includes a main body that has a first end and a second end. The main body defines a longitudinal axis. The archery arrow end includes a tip positioned at the first end. The tip has a blunt end. The archery arrow end includes an arrow shaft connector positioned at the second end. The arrow shaft connector is configured to be attached to an arrow shaft. The archery arrow end includes flexible wings that extend from the main body in a direction at least partially toward the second end. Each wing has a free end configured to move toward and away from the longitudinal axis.

Abstract: Embodiments include a method for replacing air with an interpane gas during manufacture of a sealed insulating glass unit (IGU). The method includes forming an unsealed IGU assembly defining an IGU passage for fluid communication between an interpane space and an ambient environment; positioning the unsealed IGU assembly within an enclosure and sealing the enclosure around the unsealed IGU assembly; evacuating air from the enclosure; introducing a first gas into the interpane space through the IGU passage; introducing a second gas into the enclosure, wherein the second gas has a different composition than the first gas; and closing the IGU passage to seal the interpane space. Other embodiments are also included herein.

Abstract: A projectile launcher includes a frame and a projectile moves within a horizontal projectile plane and along the projectile axis. The projectile is fired from a front end of the frame. The projectile launcher includes a first power group at a first frame side. The first power group includes a plurality of first power group drawstring pulleys. At least one of the plurality of first power group drawstring pulleys is attached to the frame. The projectile launcher further includes a second power group at a second frame side. The second power group includes a plurality of second power group drawstring pulleys. At least one of the plurality of second power group drawstring pulleys is attached to the frame. The drawstring is configured to be routed at least partially around the first and second power group drawstring pulleys.

Abstract: A projectile launcher includes a frame having a vertical grip and a forearm brace configured to stabilize the projectile launcher using a user's arm. The projectile launcher includes a drawstring hub rotatably mounted to the frame and rotatable in a first direction and a second direction. Movement of a drawstring away from the drawstring hub corresponds with rotation of the drawstring hub in the first direction and movement of the drawstring toward the drawstring hub corresponds with rotation of the drawstring hub in the second direction. The projectile launcher includes at least one flexible limb attached to at least one power cable. A power cable section of the drawstring hub, where the power cable is connected, has a let-off portion. The let-off portion has a first section having a first diameter and a second section having a second diameter and the first diameter is greater than the second diameter.

Abstract: Embodiments include a method for replacing air with an interpane gas during manufacture of a sealed insulating glass unit (IGU). The method includes forming an unsealed IGU assembly defining an IGU passage for fluid communication between an interpane space and an ambient environment; positioning the unsealed IGU assembly within an enclosure and sealing the enclosure around the unsealed IGU assembly; evacuating air from the enclosure; introducing a first gas into the interpane space through the IGU passage; introducing a second gas into the enclosure, wherein the second gas has a different composition than the first gas; and closing the IGU passage to seal the interpane space. Other embodiments are also included herein.

Abstract: A crossbow is configured to shoot a projectile. The crossbow includes a frame having a stock positioned at a rear end, the frame defining a horizontal projectile plane at a top side in which a projectile axis is positioned. The projectile moves within the horizontal projectile plane and along the projectile axis during firing and arming of the crossbow, and the projectile is fired from a front end of the frame. The crossbow further includes a drawstring hub connectable to ends of a drawstring. Rotation of the drawstring hub in at least one direction is powered, such as by a force applied by flexed limbs. The crossbow further includes drawstring guides attached to the frame for guiding the drawstring across the projectile axis between the ends of the drawstring. The first and second drawstring guides each include a pulley wheel, wherein the drawstring is guided at least partially around each pulley wheel.

Abstract: In some embodiments, a compound bow comprises a frame, a first limb supported by the frame and a second limb supported by the frame. The first limb supports a first rotatable member, and the first rotatable member comprises a cam. The compound bow further comprises a second rotatable member, a first pulley and a second pulley. A power cable is in communication with the cam. A bowstring contacts the first rotatable member, the second rotatable member, the first pulley and the second pulley. In some embodiments, the first pulley is supported by the first limb.

Abstract: Various embodiments provide a masking system to apply a mask to a workpiece, comprising: a frame structure, an application head, an X-axis movement element, a Y-axis movement element, a Z-axis movement element, and a workpiece movement element. The frame structure comprising a workpiece support. The application head can be configured to apply film to a workpiece. The application head can comprise a vacuum roller comprising a rotatable cylindrical body with an outer surface; a film roll comprising film wrapped around a spool; a cutting element configured to cut the film to separate a portion of the film from a remainder of film on the film of the film roll, and a guide element disposed between the film roll and the vacuum roller. The guide element is moveable. The guide element is configured to contact an unwound portion of the film between the film roll and the vacuum roller.

Abstract: In some embodiments, a crossbow comprises a stock and a bow portion comprising at least one limb and a string. A riser attaches said bow portion to the stock. A latch is located in proximity to a butt of the stock. The latch is configured to retain the string in a drawn condition. A trigger is arranged to release the latch. An extension member extends from the butt of the stock to the latch. The extension member and the stock define a cavity, and the latch assembly is oriented within the cavity.

Abstract: Embodiments include a riser assembly for a bow. The riser assembly can include a first non-planar riser plate; and a second non-planar riser plate that is coupled to the first non-planar riser plate with one or more connectors. The first non-planar riser plate and the second non-planar riser plate define a gap there between. A width of the gap extending from the first non-planar riser plate to the second non-planar riser plate. The width of the gap varies in size such that the width of the gap at a central location of the gap is larger or smaller than the width of the gap at a location distal to the central location. Other embodiments are also included herein.