A mechanical tongue depressor has a laterally offset clamp which enables it to be readily clamped to any portion of the vertical post of a conventional mouth speculum wherein the vertical post extends between the upper and lower jaws of the mouth alongside the mouth cavity. Interchangeable depressor blades of different sizes can be quickly attached to and detached from the clamp portion to adapt the depressor for use with animals of different sizes.

A device for transferring pharmaceuticals and the like comprising a panel structure having at least one transfer nozzle projecting through the structure. A ring is located on the nozzle intermediate its ends for securing the nozzle to the panel and a weldment joins the ring to the panel structure. Additionally, there is disclosed a grinding and polishing device for removing the weldment between the transfer nozzle and the panel structure and for polishing it and an area contiguous with the weldm...

A gas appliance retrofit drive orifice is provided for use in resizing the existing orifice in a gas burning appliance. The retrofit orifice comprises an elongated body having an enlarged diameter head formed on one axial end and a fluid passage formed axially through the body. The end of the elongated body opposite from the enlarged head forms a pilot section and is inserted into a receiving hole drilled in the existing orifice. A retention portion axially adjacent the head is substantially the...

An assembly for feeding liquid to the inlet port of a gravity feed sprayer. The assembly includes (1) a mixing cup of a known type commonly used to mix paint with solvent that is of stiff polymeric material and bears indicia on its side wall indicating the levels to which a plurality of different liquids should be sequentially poured into the cup to achieve a predetermined ratio between the liquids; (2) a first adapter comprising a central portion having a through opening and a transverse portio...

A mounting and cleaning adapter for use with a spray gun in which the spray tip is normally non-reversible and projects through a retaining nut in the paint spray position. The adapter comprises outer and inner sleeves for mounting the tip in a reversed cleaning position or in a spraying position. The outer sleeve is an elongated retaining nut which threadably engages to the spray gun for retaining the tip on the outer end of the inner sleeve, in the paint spray position and in the cleaning posi...

Dispensing apparatus is provided suitable for application of residual insecticides in a liquid carrier with which the fluid may be dispensed in spray form or delivered into cracks and crevices through an elongated tip extension of flexible plastic tubing and movable into, or out of operating position, the elongated tip extension being readily removable and insertable as desired.

Improvement in a spray bar for metal roller having a layered body and a plurality of spray nozzles carried thereon, the improvement comprising apparatus providing access from the rear of the spray bar to the nozzles for servicing thereof, the apparatus including for each nozzle an elongated housing fastened on the spray bar so that the former projects outwardly from the front face of the latter, an elongated member joined to the nozzle to form a cartridge nozzle which fits in the housing, and an...

A dispensing head for use in a fluid dispensing system has a base member made from an inert plastic material with locking guide means at the lower section thereof and boss means at the upper section. The boss means has a shoulder a predetermined distance from the locking guide means and a control valve cavity which extends into the base member from the upper surface of the boss means so as to communicate with an inlet for fluid to be dispensed and an outlet for dispensing said fluid respectively...

In a device to be mounted on a vehicle for spraying, a nozzle holder having a plurality of nozzles selectively alignable with a duct carrying fluid for spraying, said nozzles being alignable by remote control means, said nozzle holder having an anti-flow device to prevent leakage when said device is not activated.

An adjustable racing injector injects fuel by carrying out an opening and closing of a fuel orifice in a valve seat. The fuel orifice is controlled by a signal, typically provided by an engine control unit, which energizes a magnetic circuit including coil which in turn will effect movement of a needle. The adjustable racing injector is field reconfigurable and may be provided as discrete components, or may be provided as an assembly together with a collection of replaceable components that are ...