Abstract: A paintball loader has a motor-driven impeller with a plurality of resilient arms that engage and move paintballs in the loader housing. The resilient arms preferably are spaced to accommodate paintballs therebetween. The arms are sufficiently flexible to yield so as not to rupture the paintball shells.

Abstract: The invention features a mail indication device for determining whether the daily mail postal person has deposited mail in a rural or suburban mailbox. The mailbox indicator features a signal indicator composed of a dense material, a linking tether, and an attachment assembly mounted near or to the mailbox door.

Abstract: Each one of a set of substitutable paintball magazines of different capacities can be quickly mounted on a universal coupling base plugged into the projectile feeding port of a paintball marker. The coupling base incorporates a motor whose shaft connects to a paintball agitator within the magazine. The set of magazines offers a convenient selection of loading capacities to accommodate a variety of game circumstances and environments.

Abstract: An ergonomic wedge shaped torque tester with multiple push buttons to control the use and recording functions. The top of the device has a single on/off button, a display screen to display the results of the test, two push buttons for scrolling through the various saved test results one scrolls up the other scrolls down. The device can easily be grasped by the right or left hand. This shape makes it possible to place the chuck portion of the tester on a bottle cap, grasp the device with your hand from the top or side and turn in a clockwise or counterclockwise direction. The chuck is connected into a strain gauge connected on a shaft that utilizes a transducer to measure the strain in accordance with deflection of the metal shaft. The output of the transducer is connected through an amplifier into a microprocessor which utilizes the information from the transducer to record the maximum amount of strain or torque applied to the bottle cap.

Abstract: An auto-adapting fitting for releasably connecting in an end-to-end orientation, a first tube end to a second tube end having an outer diameter within a specified range for use between the ammunition feed port of a paintball marker and the outlet port of a paintball magazine. The fitting is formed onto the end portion of the marker inlet tube. The fitting comprises a resilient sleeve-shaped collar having a number of radially, inwardly extending projections that pass through corresponding radially penetrating holes through the side wall of the end portion of the feed port near its upper opening. The projections bear against the outer surface of the magazine outlet tube. Magazine outlet tubes of a larger outer diameter will cause the collar to be resiliently pushed outwardly.

Abstract: A response monitoring apparatus using a remote including an electrical circuit including a user activated input, a transmitter, and a receiver, where the electrical circuit is adapted to detect operation of the user activated input and temporarily activates the receiver. A validation and error checking system ensures valid transmissions occurring in both wireless and wired communications. The validation and error checking system retrieves data from the remote memory to create transmission data groups. The validation and error checking system calculates a checksum value for the transmission data groups and creates a checksum data group that includes the checksum. The validation and error checking system transmits the data and ensures that the data is properly sent.

Abstract: Each of a set of substitutable paintball magazines quickly attaches to a coupling feeder mounted on the ammunition intake port of a paintball marker, replacing the traditional hopper and sets of paintball cartridges. The coupling feeder includes a motor-driven paintball feeding mechanism.

Abstract: A display assembly apparatus and method of assembly using a folded frame and structurally reinforcing shelf for shipping and displaying products. The display uses a planar sheet for compact shipping which is adapted to be folded into the form of a vertically rising cabinet having a vertical supporting member defining shelf apertures which correspond to extending tabs on a shipping tray that allows for product to be shipped in the tray and then directly installed into the cabinet without the problems normally associated with stock transfer from shipping cartons to display areas.

Abstract: A portion of a mask or helmet covering a user's ear has an aperture covered by a sound-collecting and sound-transmissive protector swivelingly mounted thereon. The protector has a substantially parabolic reflector surface oriented substantially perpendicular to the protector's axis of rotation which magnifies sounds arriving from a particular angular direction and directs the sound through a plurality of holes axially penetrating through the protector from an outer to an inner surface. A user manipulable actuator nib extends axially outwardly from a peripheral portion of the outer surface of the protector allowing user control of swiveling movement.

Abstract: An auto-adapting fitting for releasably connecting in an end-to-end orientation, a first tube end to a second tube end having an outer diameter within a specified range for use between the ammunition feed port of a paintball gun and the outlet port of a paintball magazine. The fitting is formed onto the end portion of the gun inlet tube. The fitting comprises a resilient sleeve-shaped collar having a number of radially, inwardly extending projections that pass through corresponding radially penetrating holes through the side wall of the end portion of the feed port near its upper opening. The projections bear against the outer surface of the magazine outlet tube. Magazine outlet tubes of a larger outer diameter will cause the collar to be resiliently pushed outwardly.