Abstract: A drive assembly brake is mounted in the gearbox connecting a motor driven input shaft to an output shaft, the output shaft being connected by a tubing string to a submersed rotary pump. The gearbox includes an output shaft housing portion defining an oil chamber and an input shaft housing portion defining an oil-free centrifugal brake chamber. The relatively faster moving input shaft carries a centrifugal brake having weight members frictionally engageable with the brake chamber wall when the rotational speed of the input shaft reaches a sufficiently high degree, and the resulting braking action retards the rotation of the input shaft.In one embodiment a split casing gearbox is used having matched passage portions in the faces of the connected gearbox portions to form a lubrication passage system for the shaft bearings.

Abstract: A scrubber filter used, for example, in connection with a flooded bed scrubber system, characterized as a series of nylon or plastic brushes arranged, in rows, within a frame and overlaid with mesh, where the filter is disposed, during use, in a tilted relationship, i.e. tilts forward in the direction of oncoming contaminated air. In an alternative approach, the filter may be oriented angularly in a lateral direction with respect to such contaminated air. In any event, the density of the brushes at the tilted/angled position serves for the effective capture of micron particles, where larger particles are lodged, and subsequently displaced, on and from the aforesaid mesh.

Abstract: A traffic channelizer mountable vertical panel molded of a resilient, impact resistant, plastic material. The vertical panel has a pair of mounting legs securable to the top of the traffic channelizer to permit the vertical panel area to extend above the channelizer. The legs are constructed so as to be bendable in response to wind forces without tipping over the channelizer and springing back to a vertical position when the bending forces subside.

Abstract: A lifting hook for automatic releases of a load held by a lifting hook comprises a hook member (1) with a hooking portion (2) and a suspension portion (3) as well as an intermediate portion (4) between said portions, a suspension means (5) which at least when the hooking portion (2) is loaded is pivoted in the suspension portion (3) and suspended by a traction element, e.g. a chain or the like. The intermediate portion (4) comprises a slot along substantially its whole length, which slot receives the bearing (8) of the suspension means (5), so that this bearing is displaceable in said slot (7). The hook member (1) is arranged to, when the traction element is unloaded followed by a lifting of the hook member (1), be turned from an ordinary load-carrying position to a load-releasing position, preferably 180.degree., by displacement of the center of gravity of the lifting hook.

Abstract: A thermostatic expansion valve particularly for use in a refrigeration system in which the refrigeration system includes a compressor, condenser, and evaporator operatively interconnected. The expansion valve includes a diaphragm for sensing a capillary pressure and a plurality of push rods for communicating the capillary pressure to a spring-biased valve member operatively associated with a valve seat. A piston in communication with the diaphragm has one end located in an inlet chamber and responds to an inlet chamber pressure. The piston, diaphragm, push rods and spring-biased valve member cooperate to provide a balanced flow of a refrigerant through the expansion valve without the piston or push rods substantially restricting or obstructing refrigerant flow through the expansion valve.

Abstract: A small volume long path absorption cell of the White-type may be used with condensable samples. The absorption cell is temperature controlled and may be operated over a temperature range of -10 degrees C. to 80 degrees C. To prevent condensation of the sample on the mirror surfaces the mirrors are individually temperature controlled and maintained a few degrees above the ambient temperature of the absorption cell. The mirrors are mounted on an Invar framework which is cantilevered from one end of the cell so that variation of the path length due to thermal expansion is minimized. The cell temperature is controlled by a jacket having a heating or cooling fluid. The controls of the mirrors for the cell are adjustable from the exterior of the cell and the entrance paths for the mechanism are sealed so that the cell can be operated at both above and below atmospheric pressure.

Abstract: A method and apparatus for determining: (1) the location of a weight block in a previously undrilled bowling ball; (2) locating thumb and finger grip holes and determining a depth for each hole on a previously undrilled bowling ball such that the bowling ball conforms to the bowler's balance specifications; (3) the same as in (2) above except that the location of the thumb and finger grip holes and depth of the holes are drilled in order that the bowling ball will be dynamically balanced; (4) locating a balance hole and determining the depth of the balance hole on a previously drilled bowling ball such that the bowling ball conforms to the bowler's balance specifications; and (5) the same as in (4) except that the location of the balance hole and the depth of the balance hole are drilled in order that the bowling ball will be dynamically balanced.

Abstract: A package for horticultural items with a receptacle includes a container having a base portion for supporting the receptacle and side portions connected to and extending upwardly from the base portion about the receptacle. A flexible sleeve engages the container side portions to support the container and enclose the horticultural item. The sleeves are supported on a pedestal having flexible straps for spreading the sleeves and allowing removal of a sleeve for packaging the horticultural item.

Abstract: A housing adapted to be mounted beneath the top of a table and a shelf sized to fit substantially within the housing are operatively connected by a pair of telescoping rails which guide movement of the shelf between a retracted position in which the shelf is substantially within the housing and an extended position in which the shelf has a substantial portion thereof outside the housing. The rails pivot about an axis to change the height of the shelf with respect to the top of the table and the entire assembly includes a mechanism for securing the shelf in the extended position. The housing includes a vertically stepped slot in which a pin secured to the rails is movable to hold the shelf at predetermined heights with respect to the top of the table corresponding to the steps of the vertically stepped slot.

Abstract: This rotary die cylinder assembly (10) is adapted for mounting annular members such as rotary knives (18) in locked relation thereon. The cylinder (12) includes a lengthwise extending slot (28) and a plurality of transverse bores (34) spaced lengthwise of the slot (28) and communicating with said slot. An elongate pressure bar (44) is received within said slot and set screws (46) are provided within said bores which are engageable with the pressure bar (44) to move said bar outwardly of said slot and into engagement with said annular member. Each member mounted on the cylinder is provided with arcuate slot (54) mating with the cylinder slot (28) and receiving the pressure bar (44) in accurately fitted locked relation when the set screws (46) are tightened.

Abstract: This chair (10) includes a base portion (12), a seating portion (14) mounted for arcuate movement on said base portion (12), and an adjustable footrest assembly (40). The footrest assembly (40) includes opposed guide members (46) and a footrest (52) having opposed arms (54) which are received by the guide members (46) in sliding relation and are adjustably movable between an extended, elevated position to a retracted stored position. A drive assembly (62) is provided which includes spaced shafts (64, 66) carrying endless conveyor members (70) which are connected to the arms (54). The guide members (46) and the received arms (54) are arcuately configurated. A control system (100) including a longitudinal belt (102) attached to the upper seating portion (14) and received by a clamping assembly (106) attached to the base portion (12) provides for selective arresting of the seating portion (14) relative to the base portion (12) in a desired position.

Abstract: A crash bar door locking device is provided, suited for mounting on the inside of a swinging door. The crash bar is mounted horizontally across the door providing ready access by movement in the outside direction. The crash bar activates a pivotal lever which causes a latch bolt to rotate inwardly and disengage from a door strike. The pivotal lever provides a deadbolt feature by preventing the rotation of the latch bolt. A release is incorporated in the latch bolt and allows the latch bolt to rotate when the release engages the door strike as the door closes. An additional unlocking mechanism may be provided for retracting the latch bolt from the outside of the door independently of the crossbar. A firelocking mechanism may be incorporated in the latch bolt to secure the latch bolt when a fire occurs. Two pins with a spring between them are retained by fusible plugs at either end of a bore in the latch bolt, so that the latch bolt operates as a normal lock on the door.

Abstract: A traffic control device constructed as either a one piece or two piece device of a resilient plastic by molding. Both the one piece and two piece devices are constructed to have a ground engaging surface defined with a multiplicity of dependent elements arranged thereon in a preselected pattern for distributing the weight of any ballast means over the dependent elements so that they function as localized pressure points to more firmly engage the supporting surface to minimize their movement on the supporting surface due to wind gusts, vibrations or the like.The two piece device is constructed with a base element that not only includes the dependent elements but also skids for permitting the assembled two piece device to be slid over a supporting surface on the skids to prevent the assembled two pieces from becoming unintentionally detached while being slid.The devices are capable of being stacked with and without the warning light secured thereto and present the appearance of a formidable object.

Abstract: This bearer wiper assembly (10, 12) includes independent extensible arms in the form of pneumatic rams (28) provided for each printing press bearer (14, 16). The pneumatic rams (28) are pivotally mounted to a support bracket (22) in swing-away relation and a bearer wiper unit (70) is provided at the remote end of each ram. The rams are releasably held in place by a latching mechanism (48, 60) and each wiper unit (70) includes by an ell-shaped pad (72) releasably clamped to a mounting frame (76) carried by each ram (28). The bearer-engageable portion (98) of each pad (72) is apertured to collect foreign particulate matter from the bearers (14, 16).

Abstract: A pair of batting gloves including a right hand glove (10) having a thumb stall (18) and a finger stall (20) accommodating a plurality of fingers and having a cushioned pad (40) thereon and an adjustable bat-engageable web (50) extending between the thumb stall (18) and the finger stall (20) and including a left hand glove having a thumb stall (68) and a finger stall (64) accommodating a plurality of fingers and having a cushioned pad (90) thereon.

Abstract: This educational device provides a three-dimensional, box-like structure and includes a plurality of side portions and a plurality of cross members selectively connectible to the side portions. A variety of threaded fasteners and tools are utilized for assembly of the educational device, which provides both an educational function in the use of different tools and threaded fasteners, as well as a toy providing a puzzle challenge by requiring a particular orientation of parts and threaded fasteners for complete assembly.

Abstract: Apparatus (1) for providing physical exercise. The apparatus has first and second footpads (3,5) on which a person stands by placing one of his feet on each pad. An electric motor (17) is operable by the user to run the apparatus. A linkage (31, 31A) connects the motor to the pads to raise and lower the pads, the pads being moved simultaneously and in opposite directions. A pivot (63, 63A) acts with the linkage to adjust the amount of upward and downward movement of the foot pads and thereby the amount of exercise a person obtains. A stirrup attachment enables a seated person to use the machine.