摘要:
A fluid effects apparatus to produce a fluid display or effect. The apparatus includes a base with a center point gimbal. A fluid outlet manifold is provided with an inlet for receiving fluid and an outlet device such as a nozzle for dispersing the received fluid. The fluid outlet manifold is supported upon the center point gimbal to pivot with the gimbal in all directions. A drive assembly is provided with first and second drive mechanisms such as submersible servos that each drive input arms attached to the fluid outlet manifold at an angular offset such as about 120 degrees. The drive mechanisms are separately and concurrently operable to move the input arms to pivot the fluid outlet manifold on the center point gimbal to selectively position the outlet device such as to articulate it in arcs of 110 degrees or more in all directions about a nozzle center axis.
摘要:
A fluid effects apparatus to produce a fluid display or effect. The apparatus includes a base with a center point gimbal. A fluid outlet manifold is provided with an inlet for receiving fluid and an outlet device such as a nozzle for dispersing the received fluid. The fluid outlet manifold is supported upon the center point gimbal to pivot with the gimbal in all directions. A drive assembly is provided with first and second drive mechanisms such as submersible servos that each drive input arms attached to the fluid outlet manifold at an angular offset such as about 120 degrees. The drive mechanisms are separately and concurrently operable to move the input arms to pivot the fluid outlet manifold on the center point gimbal to selectively position the outlet device such as to articulate it in arcs of 110 degrees or more in all directions about a nozzle center axis.
摘要:
A fluid effects apparatus for creating a fluid display. The apparatus includes a base with a center point gimbal. A fluid outlet manifold is provided with an inlet for receiving fluid and a nozzle. The fluid outlet manifold is supported on the center point gimbal to pivot with the gimbal. A drive assembly is provided with first and second drive mechanisms that each drive input arms attached to the fluid outlet manifold at an angular offset. Each of the input arms is configured with three pivot points to translate rotational input from a crank arm of the drive mechanism into linear movement, and each input arm includes a first swing arm pivotally coupled to the crank arm, a second swing arm coupled to an end of the first swing arm, and a collar receiving a portion of the fluid outlet manifold and pivotally supported by the second swing arm.
摘要:
A fluid effects apparatus for producing a water display or show. The apparatus includes a base with a center point gimbal mechanism and a fluid outlet manifold with an inlet for receiving fluid. The fluid outlet manifold is pivotally supported upon the center point gimbal mechanism and includes a nozzle manifold with a pivotally mounted nozzle for dispersing the received fluid and a nozzle drive assembly coupled to the nozzle that selectively rotates the nozzle about its rotation axis. The drive assembly includes a motor mounted to pivot with the fluid outlet manifold upon the center point gimbal. The drive assembly includes an output drive element of the motor that is coupled to the nozzle to selectively rotate the nozzle. The nozzle manifold includes a second nozzle and switching means for selectively directing the received fluid to one of the two nozzles.
摘要:
A feeding apparatus that has particular utility for feeding infants, small children and adults that are at risk for choking on soft food includes a mesh enclosure that is open at a first end and closed at a second end. A mesh holder engages and holds open the first open end of the mesh enclosure and has an opening communicating with the interior of the mesh enclosure through which food may be inserted into the mesh enclosure. A closure mechanism is mounted to the mesh holder for movement between a first open position wherein the opening is uncovered and food may be inserted or removed from the mesh enclosure and a second closed position wherein the food is secured within the mesh enclosure. The closure mechanism advantageously remains engaged with the mesh holder in both the first and second positions.
摘要:
A variable flow infant feeding assembly is designed so that a caregiver can select an optimal feeding flow rate without having to change nipples, as may be desired depending upon the age and appetite of the infant as well as the liquid that is being dispensed. Preferably, the assembly includes a baby bottle and a nipple member that has ventilation structure defined therein for permitting replacement air to enter the baby bottle during feeding. Retention structure such as a threaded ring member is provided for securing the nipple member to the baby bottle. Advantageously, variable restrictor structure is provided, preferably so as to be integral with the ring member, for selectively blocking at least a portion of the ventilation structure. By controlling the size of the opening through which replacement air flows into the baby bottle, the variable restrictor structure permits the feeding flow rate through the nipple member to be adjusted by a caregiver.
摘要:
An apparatus and method for killing microbes, including bacteria or yeast-like fungus within or on a conductive medium, is provided including positive and negative electrodes which may be activated to generate antimicrobial agents from within the conductive medium. The agents are any form of anions including atoms or molecules derived from inorganic salts present within the conductive medium. Due to residual killing effect caused by the presence of internally generated antimicrobial agents, constant activation of the electrodes is not necessary thereby allowing intermittent activation in order to prolong the life of the metallic or non-metallic electrodes. Electrode polarity can be reversed periodically to drive precipitation from the electrode surface and to also extend electrode life.
摘要:
A microcentrifugation tube for the preparation of a sample for examination under an electron microscope is disclosed. The tube has a bore extending from the top of the tube to the base of the tube. The bore includes an upper section comprising inner walls which taper conically inwardly toward the base of the tube at an included angle of less than 25.degree. and a lower tip extending from the lower end of the upper section to the base of the tube, wherein the lower tip has a cross-sectional shape sized to accommodate the slicing of such a sample on a microtome when removed from the tube.