Abstract: The apparatus for cleaning bee culture frames of the type having slots for frames, which are formed into blocks by aligning the frames, comprises a suitable framework, an in-feed ramp, a board-breaker assembly, and a board-cleaning assembly. The infeed ramp carries the blocks to a vertically disposed channel provided on the framework, the channel controlling forward movement of the block on the ramp and conducting frames separated from the block downwardly in the apparatus. The board-breaker assembly comprises at least a blade reciprocating vertically in a channel disposed parallelly to the frames with the contact face of the blade being disposed at a pre-determined position to operate adjacently disposed frames in the block, and frame-cleaning teeth which interdigitate with slots of the frame.

Abstract: The gimbal ring nozzle-trim comprises a substantially cylindrical forward control housing mounted to the discharge portion of a marine propulsion device, and having a frustra-orbicularly configured gasket-race flange at its rearwardmost terminal end; an annular gimbal ring mounted to the exterior cylindrical walls of the housing by pins disposed along the horizontal plane cutting the ring and housing distally forward of the gasket-race flange; and a nozzle having a hollow semi-orbicular portion which overrides the gasket-race flange and a substantially cylindrical portion issuing rearwardly from the orbicular portion of the nozzle, the nozzle being mounted by the forward interior surfaces of the orbicular portion to the exterior circumferential face of the gimbal ring by pins disposed through the nozzle into the gimbal ring along the vertical plane cutting the nozzle and gimbal ring.

Abstract: The barrier comprises a pair of panel sections including a rectangular framework, the panel sections being selectively locked in a straight, linear configuration by a dagger selectively extensible through apertures in the end members and through aligned panel sections; extensible sections each having a pair of rials which may slidably telescope within the rectilinear members at their ends opposite the hinge, means selectively locking the extensible sections with the panel sections, carried on rectilinear members and rails thereof; and abutment bars fastened at the outermost terminal ends of the rails.

Abstract: The safety ignition switch and brake actuator for motorized, handle-bar operated, apparatus comprises a housing fastened to a handle bar and a brake handle lever pivotally mounted to the housing about the grip operable to be disengaged when the lever is depressed adjacently about the handle bar grip and engaging the brake when the lever is released and pivoted away from the grip.

Abstract: The sewer laying system comprises a tile carrying and service unit operable to provide pressure for operation of the tile setting apparatus, to carry pallets of tile, to discharge individual tile sections into the area of the ditchline occupied by the tile setting apparatus, to receive and process aggregate which may be material cut from the ditchline itself, and to discharge specially classified material to the tile setting apparatus and other aggregates to backfill the ditchline.

Abstract: The wheel safety lock comprises a hollow hub cylinder which is engagable on to a wheel hub, a diameter web and means disposed on the wheel lock for retaining the hub cylinder on a wheel hub. Means for locking the hub cylinder to a wheel hub include holes in the diameter web through which fasteners may be engaged into the wheel hub, threads on the interior terminal sidewalls of the cylinder hub, and a mechanically actuated diameter web assembly having movable lug arms which are engagable with recesses in a wheel hub.

Abstract: The motor support comprises a substantially U-shaped yoke, a pedestal which is fastened to the base portion of the yoke, a retaining strap which is detachably engagable in rings in the yoke, and a swivel coupling which is mounted on the end opposite the yoke of the pedestal and which is engagable with a swivel mounted on the rearwardmost terminal end of a typical trailer frame.

Abstract: The splash guard for cups comprises a pedestal having an openwork base and a pedestal issuing upstandingly from the base, and an openwork lattice which is fabricated of buoyant material and which is slidably mounted by a sleeve on the pedestal post.

Abstract: The apparatus for cleaning tuberous plants of this invention comprises a frame, a plurality of digging wheels fastened on the lowermost side of a suitable horizontal framing member at the forwardmost terminal end of the frame, a disk-renk, a belt-renk subassembly, and a discharging subassembly. The disk-renk may include a multiplicity of pentagonally shaped plates fastened on a suitable shaft. The belt-renk subassembly may include a elevating conveyer operable to elevate and to move rearwardly tubers discharged from the disk-renk and a belt-renk disposed parallel to, and substantially beneath, the elevating conveyer, and a upwardly inclined chain conveyer-like belt inclined from its forwardmost terminal end to its rearwardmost terminal end. The chain conveyer-like belt is driven in an upwardly inclined, rearward direction.

Abstract: The driver training aid comprises a base, a steering wheel and steering gear of the type found in actual motor vehicles and a variable resistance spring assembly providing simulated resistance of the type encountered over the travel of an actual steering assembly. The variable resistance spring assembly comprises the spring arm fastened at one of its terminal ends to the worm gear shaft of the steering gear, an arcuately spring carringing rod fastened at its terminal ends to the gear housing with the geometrical center thereof being congruent with the center line of the worm gear shaft, and a spring slidably carried on and having its terminal ends secured to the spring carrying rod. As the steering gear reaches the extreme of its travel, the spring assembly is operable to apply increasing pressure to simulate pressures and resistance found in operational steering gears.