Abstract: A tether device includes a magnetic base; a pole having a first end attached to the magnetic base; and a connector or clip attached at a second end of the pole, for removably connecting the tethering device to a user. Also, a method for tethering a user to a hull of a vessel including the steps of providing a tether device having a magnetic base, a pole having a first end attached to the magnetic base, and a connector or clip attached at a second end of the pole; connecting the connector or clip to the user; and engaging the magnetic base with the hull of the vessel.

Abstract: Improvements in a fire escape having a structure of a Helix/Spiral Cylinder shape. It's a building within a building. It provides a quick and safe evacuation for all fire victims, including the A.D.A., the injured and the elderly. Its spiral design can accommodate a large number of floor levels. It eliminates the hazards acquainted with stairs and elevators. It has the capability of removing some of the smoke from the high-rise fire by way of a metal Ducting System. It draws the smoke into the center smoke shaft. The spiral is a two-way traffic pathway, which offers Fire Department personnel and their equipment a method of upward transportation to any floor-level they need for fighting this fire incident. My design can be retrofitted to any existing building.

Abstract: An apparatus to secure a ladder to a ferromagnetic work surface, such as a metal storage tank, comprises a pair of brackets removably attached near the top of the ladder. The brackets are hinged to magnet mounts, which each hold a permanent magnet that releasably holds the ladder in place against the work surface. The apparatus prevents the ladder from slipping while a worker is climbing the ladder or while working from the ladder.

Abstract: A ladder safety accessory kit (5) for straight and extension ladders (1) having an upper stabilizer assembly (2) that makes the ladder adaptable to any shaped structure or surface, a lower stabilizer assembly (3) that makes the ladder adjustable to accommodate for uneven ground, a leveling measurement device (4) that allows a user to quickly and easily determine that the ladder is level and angled correctly and a storage tray (36) that provides a storage area for tools and other items. The ladder safety accessory kit may be integrated with new ladders or used to retrofit existing ladders.

Abstract: A lubrication structure is provided for supplying lubricating oil to a transmission of an engine. The engine includes a mission holder which includes a power transmission mechanism between a main shaft and a countershaft as a unit and is removably mounted in a mission chamber, and a clutch chamber having a clutch mechanism is provided adjacent the mission chamber for transmitting rotation of a crankshaft to the transmission. Two oil introduction ports are provided on the mission holder, which is between the clutch chamber and the mission chamber. The two oil introduction ports enable the two chambers to communicate with each other. Each of the oil introduction ports has an opening provided therein which opens upwardly on a clutch chamber side of the mission holder.

Abstract: A lubrication system for a work tool, such as a demolition hammer, on a machine, such as an excavator or a loader. The lubrication system is mounted on drive line fluid connectors of the machine, such as hydraulic or pneumatic hoses. The lubrication system is fully supported by the connectors only and does not require mounting to the machine itself. The lubrication system includes a movable spool powered by the drive fluid of the machine, the spool reciprocating within a sleeve to force lubricant through passages to the work tool.

Abstract: A lubrication apparatus for lubricating a surface of at least one component of a piece of equipment, which includes a lubrication mist generating unit in which air and a lubricant are combined to form a lubricant mist. A device is included for directly connecting the lubrication mist generating unit to the equipment at a position adjacent the surface to be lubricated.

Abstract: An elevator sheave (20) includes a belt guiding surface (26) having a surface profile along at least a portion of the belt guiding surface. The surface profile preferably is defined by an nth order polynomial equation where n is a number greater than 2. In one example, the reference point (40) is a central point along the width of the belt guiding surface (26). In one example, a central portion (42) of the surface profile preferably is aligned to be generally parallel with the central axis (34) of the sheave body. Some examples have curvilinear side portions (44,46) between the central portion (42) and the edges (28,30) of the sheave. Other examples also include second side portions (48,50) that have linear profiles.

Abstract: The invention relates to a device and system for underground transport of ore, material and people, which includes electrical and mechanical drive systems, a plurality of hoisting devices, head ropes and balance ropes. The mass per meter of the balance ropes is significantly smaller than the mass per meter of the head ropes.

Abstract: Diverting pulley arrangement of an elevator, which includes an axle, at least one diverting pulley that rotates while supported on the axle, a faceplate structure, in relation to which and supported by which the diverting pulley is arranged to rotate on the first side of the faceplate structure, which axle is locked so that it does not rotate in relation to the faceplate structure by the aid of a locking element, which locking element is on the second side of the faceplate structure and supported so that it does not move in relation to the faceplate structure. The locking element is placed against the locking surface included in the axle so that the contact point of the locking element and the locking surface of the axle is at least partly visible.

Abstract: A screw-driven elevation structure includes: a first rail and a second rail; a first screw nut assembly having a first screw and a first nut, the first screw having a top end fixedly connected to a fixing unit, the first nut moving along the first screw; a power device disposed at an elevator and having a first driving portion and a second driving portion, the first driving portion being fixedly connected to the first nut; a second screw nut assembly having a second screw and a second nut, the second screw having a top end fixedly connected to the second driving portion, the second nut moving along the second screw; and a moving body fixedly connected to the second nut and moving along with the second nut. It is feasible to drive the moving body to move, by controlling only the power device, thereby incurring low manufacturing and control costs.

Abstract: A pair of elevator cars (10, 11) traveling in the same hoistway have their positions sensed (20-23, 29-32) to provide for each a position signal (35, 37) from which velocity signals (64, 65) are derived; lookup tables (66, 61) of safe stopping distance (B, S) for braking and safeties are formed as a function of all possible combinations of velocity (V(U), V(L)) of said cars. Comparison of safe stopping distances for contemporaneous velocities of said cars with actual distance between said cars provides signals (85, 98, 99) to drop the brakes (49, 50) of one or more of the cars, and provides signals (82) to engage the safeties (18, 18a, 19, 19a) of all cars if the cars become closer or if acceleration detectors (117, 118) determine a car to be in freefall.

Abstract: A hydraulic brake hose structure is basically provided with a hydraulic brake hose and a first sealing material. The hydraulic brake hose has a first end with a first opening and a second end with a second opening. The first sealing material overlies the first opening of the first end to form a first seal that seals the first opening of the first end. The first sealing material ruptures at a prescribed hydraulic fluid pressure threshold.

Abstract: An example wheel restraint includes a track to be positioned adjacent a vehicle approach path of a loading dock. A shuttle is pivotally coupled to the track via a track follower and pivots between a home position and a deployed position about a shuttle axis substantially parallel to and offset relative to a longitudinal axis of the track. A barrier is pivotally coupled to the shuttle and pivots between a non-blocking position and a blocking position about a pivot axis substantially parallel to and spaced apart from the longitudinal axis of the track such that the shuttle rotates in a first direction about the shuttle axis when the shuttle moves from the home position to the deployed position and bather rotates in a second direction about the pivot axis when the barrier moves from the non-blocking position to the blocking position, where the first direction being different than the second direction.

Abstract: A retaining formation defined on a brake lever of an air disc brake includes a push fit/snap fit connection for releasably securing a push rod to a brake lever. The retaining formation can include a pinned connection and a ball and socket joint, and a main axis of the pinned connection is coincident with a center of rotation of the ball and socket joint. The retaining formation can include a concave formation on one of the push rod and the brake lever and a corresponding convex formation on the other of the push rod and the brake lever. The concave formation at least partially surrounds the convex formation to prevent axial separation of the push rod and the brake lever. A method of assembling a brake subassembly includes the steps of assembling a push rod and a brake lever including a retaining formation such that at least a portion of the retaining formation deforms during assembly and resiles when the push rod is assembled to the brake lever to provide a snap fit connection therebetween.

Abstract: A pneumatic wheel brake for a vehicle includes a brake lever operable by a compressed air cylinder, and a brake application device operable by the lever. Employing the brake application device, a first brake element can be pressed against a second when the lever is operated. The wheel brake also includes an actuating device, which can be motor driven, which force can be applied to parts of the brake application device, at least when the lever is not operated, to press the first brake element against the second. The wheel brake also has a spring accumulator element arranged outside the compressed air cylinder. Force can be applied to the spring accumulator element by the actuating device; and force can be applied to parts of the brake application device by the spring accumulator element, at least when the lever is not operated. Thereby, the first brake element can be pressed against the second.

Abstract: A damper includes a pressure-sensitive damping control circuit that selectively permits fluid flow from a first chamber to a second chamber. A piston varies a volume of the first chamber. A blow-off piston is movable between a closed position, wherein fluid flow through the control circuit is substantially prevented, and an open position, wherein fluid flow through the control circuit is permitted. The damper also includes a first source of pressure. A fluid pressure created by compression of the damper applies an opening force to the blow-off piston moving the blow-off piston in a direction toward the open position against a resistance force provided by the first source of pressure. The resistance force exceeds the opening force until the pressure created by forces tending to insert the piston rod into the first fluid chamber exceeds the pressure in the first source of pressure by a predetermined amount.

Abstract: A shock absorber is provided. The shock absorber includes: a piston rod; an inner passage having an inlet port at an outer periphery of the piston rod; and a stopper installed at the outer periphery of the piston rod. The stopper is disposed to surround the inlet port of the inner passage, and an outer passage extending from an upper portion of the stopper to the inlet port is formed between the stopper and the piston rod.

Abstract: The invention relates to a vibration absorber for damping mechanical vibrations of a structure capable of vibration at least in some portions. The vibration absorber comprises at least two rod-shaped vibrating elements, which each have a longitudinal axis, and a support module. The support module comprises at least two non-parallel support plates and an attachment device. In this case, for the purpose of attaching the vibration absorber to the structure, the attachment device is constructed in such a way that mechanical vibrations of the structure can be passed into at least a first of the support plates. The support plates are interconnected in such a way that the mechanical vibrations can be transferred from the first support plate to a second of the support plates. A first vibrating element is coupled at a first position along the longitudinal axis of the first vibrating element to the first support plate.

Abstract: A torque converter, including: a cover; a pump shell fixed to the cover; and a vibration damper with a plurality of springs, and a cover plate partially surrounding the springs. The torque converter includes a torque convert clutch with: a piston plate; and a drive plate with a first portion and a plurality of second portions including distal ends circumferentially aligned with the springs and circumferentially disposed between pairs of adjacent springs, and a plurality of centering protrusions extending radially outward beyond the distal ends or inward of the distal ends. The second portions are arranged to engage the springs to transmit the torque. When the torque converter is not rotating, the centering protrusions are free of contact with the cover plate. When the torque converter rotates at a rate greater than a threshold speed, the centering protrusions contact the cover plate to limit radial displacement of the drive plate.

Abstract: In a hydraulic transmission apparatus, a lockup piston of a lockup clutch mechanism is placed on the opposite side of first and second friction plates from a sidewall portion of a front cover. A damper device is placed on the opposite side of the lockup piston from the first and second friction plates. An outer peripheral portion of the lockup piston is located closer to the outer periphery than an outer peripheral portion of a flange member. A part of the lockup piston is placed in a region located between first and second springs and a third spring of the damper device in a radial direction and in the range of an axial width of the third spring located closer to the lockup piston.

Abstract: A powered ratchet drive for a ratchet wrench includes a pair of elongate pawls for driving an output member of the wrench. Each pawl may have a lower portion pivotally attached to a rocker and an upper portion comprising teeth for engagement with teeth of the output member to turn the output member. The upper portion of the pawl extends outward at an angle with respect to the lower portion. The ratchet may include a compression spring secured inside a cavity of each pawl for biasing the pawl into engagement with the output member. The ratchet also includes a reversing switch mechanism for selectively configuring the ratchet in a forward-driving configuration and in a reverse-driving configuration. The switch mechanism includes a cam disposed between the pawls. The cam has a groove for receiving one of the pawls during operation depending on the configuration of the ratchet.

Abstract: The invention relates to a dual clutch for a dual clutch transmission for transmitting a torque from a drive shaft to at least one drive shaft, which comprises a first clutch, a second clutch, and an electrical actuating device. The actuating device comprises a coupling slide, wherein a first slide of the coupling slide acts on the first clutch, and a second slide of the coupling slide acts on the second clutch, and the two slides are movable in such a way that by displacing the slides a recoupling process is controlled.

Abstract: An integrated wheel disconnect system is provided, including, a mechanically actuated engagement interlock selector assembly. The engagement interlock selector assembly including a housing, an interlock mechanism disposed in the housing, a spring disposed in the housing, and an actuator assembly, arranged to displace the interlock mechanism towards or away from the spring. The engagement interlock selector assembly is operated by an actuator module, such as a pin, sliding along an external ramp on the interlock mechanism, the mechanism moving axially to selectively engage and disengage the wheel hub from the drive axle.

Abstract: A dog clutch for an automated transmission includes a rotary shaft rotatably connecting to one of an input shaft and an output shaft of the automated transmission, a clutch ring rotatably supported by the rotary shaft and rotatably connecting to the other of the input shaft and the output shaft, a clutch hub fixed to the rotary shaft, a sleeve including first teeth and second teeth, an axial driving device moving the sleeve, and a dog clutch portion arranged at the clutch ring, the dog clutch portion including: clutch forward teeth each having an engagement portion contactable with each of the first teeth, and inclined surfaces extending from the engagement portion toward both sides in a circumferential direction and inclined toward a rear end position of the dog clutch portion; and a clutch rearward tooth portion engageable with the second teeth and including clutch rearward teeth.

Abstract: Pneumatic fan drive assembly with improved capacity, longevity and heat control. The output member is positioned radially internally of the output member. The friction mechanism has longer movement (moment) arms and torque. The friction engagement has an increased friction surface arm. A portion of the heat generated by the friction mechanism is evacuated to the atmosphere rather than being completely internalized in the assembly. The friction material for the friction lining alternatively can be formed of a plasma spray.

Abstract: The clutch release bearing device comprising a bearing 12 provided with a non-rotating ring 18, a rotating ring 20 and at least one row of rolling elements 22 arranged between the rings, and a wear ring 44 arranged on the rotating ring and capable of coming into contact with a clutch mechanism diaphragm, the wear ring 44 comprising at least one ball joint 84 bearing against a guide portion 42; 92 of the rotating ring and of which the axis 90 may be angularly tilted relative to the axis 14 of the bearing. The wear ring 44 is provided with a guide portion 80 comprising an internal surface in contact with an external bearing surface of the rotating ring, the ball joint 84 and joining portions 86; 94 capable of permitting angular tilting of the ball joint relative to the guide portion.

Abstract: A manually operated laundry load apparatus including a base unit, a conveyor assembly interconnected to the base unit and having a conveyor belt that is driven by a motor to move in an upwardly inclining direction, and a fork truck with a handle that is interconnected to the base unit to permit movement of the load chute.

Abstract: A traveling type immersion treatment apparatus for a vehicle body has a speed control device which controls the traveling speed of the conveying traveling body according to the angle of rotation of a rotary shaft that rotates the vehicle body. Between an upright position and a 90° rotation position the forward speed of the conveying traveling body is gradually decreased in relation to a reference conveying speed; then the forward speed of the conveying traveling body is gradually increased in relation to the reference conveying speed until the vehicle body reaches a 270° rotation position from the 90° rotation position; and then the forward speed of the conveying traveling body is gradually decreased in relation to the reference conveying speed until the vehicle body returns to the original upright position from the 270° rotation position.

Abstract: A method and apparatus are provided for sorting or retrieving items to/from a plurality of destinations areas. The items are loaded onto one of a plurality of independently controlled delivery vehicles. The delivery vehicles follow a track that guides the delivery vehicles to/from the destination areas, which are positioned along the track. Once at the appropriate destination area, an item is transferred between the delivery vehicle and the destination area.

Abstract: A mass transit system. The system comprises a first platform for supporting a cargo compartment, a rotating platform having a center area, and a conveyor system for moving the cargo compartment from the first platform to the center area of the rotating platform, while the rotating platform is rotating. The system also includes apparatus for moving the cargo compartment from the center area of the rotating platform to a point relative to the rotating platform that is adjacent a perimeter of the rotating platform. Finally, the system may include apparatus for moving the cargo compartment from the center area to a point relative to the rotating platform that is adjacent a perimeter of the rotating platform.

Abstract: The present invention relates to a method for returning empties, in particular bottles and cans, having a bulk input, in which the empties (10) are moved from an input space (8) past a detection unit (14) by a conveyor device (1) rotating about the longitudinal axis thereof, and further having a conveyor device for implementing said method, comprising a plurality followers mounted transversely to the direction of conveyance and spaced a distance apart. An increased throughput is to be achieved with such a method and such a conveyor device. This is achieved in that the empties (10) are parallelized out of the input space (8) by the conveyor device (1) and fed to the detection unit (14) in a field array, or in that each follower (4) is designed to be wide enough to hold at least two empties (10) side by side, and that an angular momentum is applied to the empties (10) at least in the detection field (15) of the detection unit (14).

Abstract: A module for transferring a component of an I. S. glass molding machine, such as a blow head, between a first position and a second position along a transfer curve. The transfer curve includes a first partial movement consisting of a pivot movement around a horizontally extending axis and a second partial movement consisting of a vertically oriented linear movement in which the blow head is moved to its active position, resting to form a seal on the mouth area of a mold.

Abstract: An elevating conveyor is mounted to a pivoting bridge so that the elevating conveyor can be shifted by a 22 degree rotation between a lowered position in engagement with a loading floor and an elevated storage position where the conveyor is out of the way of the loading floor. A counterweight arrangement is mounted to the bridge to bias the conveyor toward the loading floor when it is in a lowered position, and to bias it toward the elevated storage position when it is in the up position. The conveyor may be readily moved between the positions with a moderate application of force. The force may be applied by an operator standing on the loading floor or by a liner actuator mounted between the bridge and a fixed structure.

Abstract: An apparatus for conveying a cellulosic feedstock is disclosed. The apparatus comprises an enclosed volume having a lower surface comprising a plurality of longitudinally extending portions. Each longitudinally extending portion has an inner surface that is arcuate in transverse section. A plurality of conveyance members are provided within the enclosed volume. Each conveyance member is associated with one of the inner surfaces and configured to sweep the one of the inner surfaces. Additionally, a method for treating a cellulosic feedstock is disclosed. The method comprises providing a cellulosic feedstock being less than 100% saturated moisture. The cellulosic feedstock is introduced into a longitudinally extending enclosed volume, and conveyed longitudinally through the enclosed volume while being mixed.

Abstract: A belt conveyor having upper article-supporting belt rollers that are rotated rearward by rotating lower belt rollers only when the articles are slowed or stopped from advancing with the belt. As the belt advances in a direction of travel, the lower rollers rotate by contact with a bearing surface underlying the belt. The upper rollers have axles whose ends are retained in slots that slope downward in the belt's direction of travel. The slots provide the upper rollers a range of positions between a forward position out of contact with the rotating lower roller and a rearward position contacting the lower roller, which rotates the upper roller rearward relieving back line pressure on accumulated articles.

Abstract: A device for stopping and/or aligning transport goods on a conveying device, in particular a roller conveyor, device has a main part and a stopping device that can be moved out of the main part into a conveying path of the conveying device in order to stop and/or align the transport goods that are transported along the conveying path. The stopping device comprises at least two separate stops that can be moved between a working position, which projects into the conveying plane, and a rest position, which is retracted with respect to the conveying plane, by means of a common actuator device.

Abstract: To provide a slat conveyor apparatus in which course change path parts are moved without inverting the upper and lower sides of slats to eliminate the need for an expensive pitting work, wherein the slats can be held horizontally by a simplified configuration on the course change path parts at front and back ends in the direction of conveyance, whereby the length of the working process does not become shorter, and a required inverting action can be made by a simplified configuration.

Abstract: A conveyor belt system includes a conveyor belt running in longitudinal direction and support roller assemblies spaced apart along the conveyor belt and each having four support rollers distributed about the outer periphery of the conveyor belt. The conveyor belt is shaped into a tube having overlapping edges by an annular positioning of the support rollers. The conveyor belt extends, viewed in cross-section, from an edge lying on the inside at the overlap in a circumferential direction to an edge lying on the outside. The edges overlap at a last support roller, viewed in circumferential direction, and a distance between the last support roller, viewed in circumferential direction, and a center of gravity of a clear profile bounded by the support rollers is greater than a corresponding distance of the adjacently lying first support roller in circumferential direction.

Abstract: A drive switching mechanism includes first to third transmission element trains, a connection/disconnection element disposed at one of a position between the first and second transmission element trains and a position in the third transmission element train, and a rotation restraining element disposed at the other of the positions. When a drive transmission path is disconnected by the connection/disconnection element, the rotation restraining element is drivenly rotated on the basis of a driving force transmitted from the first transmission element train and selects a drive transmission path that is different from the drive transmission path disconnected by the connection/disconnection element.

Abstract: Zero tension system conveyor. A conveyor belt is driven by at least a portion of the conveyor belt being in continuous contact with a block chain within at least a portion of an overall conveyor belt system. Such a conveyor belt system may be implemented in a spiral configuration such that a relatively small portion of the overall width of the conveyor belt is in contact with the block chain above and/or below the conveyor belt. The static force/weight of the conveyor belt in conjunction with the continuous contact between at least a portion of the conveyor belt and the block chain effectuates the driving of the conveyor belt through the overall conveyor belt system. The block chain is composed of a number of links, at least some of which include a respective hook/protrusion on one side thereof, for being directly engaged by drum bars implemented within a drum assembly.

Abstract: A foldable cover for protecting or supporting a portable electronic device is provided. The foldable cover comprises a supporting unit and a fixing unit. The supporting unit comprises a plurality of first separations, a convergent part and a plurality of first slab-shaped parts. Each first separation is connected to the convergent part. The fixing unit is connected to the supporting unit to fix the portable electronic device. When the first slab-shaped parts are located at the same surface, the supporting unit covers the portable electronic device. When a three dimensional structure is formed by the first separations, the convergent part and the first slab-shaped parts, the supporting unit supports the portable electronic device.

Abstract: A receptacle for consistently orienting a sterilized surgical instrument for natural grasping by a physician without removing his or her vision from the operational field, wherein the receptacle may also comprise a reservoir and desiccant for maintaining sanitized or sterilized instruments.

Abstract: A bulk bag carrier for transporting soft goods or granular products is provided. The carrier comprises a flexible bulk bag and a pallet. The bulk bag comprises an upper section that defines a product compartment and a sleeve suspended below the upper section that defines a pocket for receiving the pallet. The pallet may be foldable to facilitate insertion of the pallet into the sleeve.

Abstract: A box for shipping and dispensing a welding wire wound into a generally cylindrical mass having a cylindrical core cavity concentric with a vertical axis. The box has four sidewalls with an integral generally triangular flap where at least one of the flaps has an upper generally square crown section with a wire outlet opening. The flaps have a folded down position wherein they overlap each other in a flat plane above the wire mass and an assembled up position defining a four sided pyramid shaped tent above the wire mass, with the crown section assembled in a plane generally parallel to the flat plane and at least 6.0 inches above the flat plane with the wire outlet opening aligned with the axis.

Abstract: A carton for packaging one or more articles (B), includes a series of main panels (2, 6, 8, 10, 14) hinged one to the next to form a tubular structure. The tubular structure includes a top panel (8), first and second side panels (6, 10) and a base panel (2, 14) and at least one display window (59) struck from at least one of the side panels (6, 10). The at least one window extends from the top panel (8) to the base panel (2, 14) and is interrupted by a retention strap (72).

Abstract: The present invention provides a liquid crystal glass panel packaging structure, which includes a package box and a plurality of cushioning bodies arranged inside the package box. The package box includes a lower case and an upper case mating the lower case. The cushioning bodies are airbag cushioning bodies arranged inside the lower case at locations corresponding to corners of a liquid crystal glass panel. The liquid crystal glass panel packaging structure uses airbag cushioning bodies to serve as cushioning devices for a liquid crystal glass panel, whereby with the airbag cushioning bodies being arranged at locations corresponding to corners of the liquid crystal glass panel, better protection is provided to the liquid crystal glass panel to prevent the product from being damaged by external forces. Further, the cushioning bodies of the present invention have a simple structure, is easy to manufacture, and can effectively lower down the manufacturing cost.

Abstract: A pillbox for a cellular phone having a port or socket is disclosed which includes a body portion for one or more pills, a closure portion for closing the body portion, and an attachment portion for insertion into the port or socket of the cellular phone.

Abstract: A nestable can tray includes a base including a plurality of intersecting vertical rib portions. A plurality of horizontal wall portions are connected proximate lower ends of the vertical rib portions. A plurality of annular recesses are formed on an upper surface of the base for receiving lower ends of beverage cans. The tray further includes side walls including side columns extending upward from lower side wall portions at sides of the base. End walls include end columns at ends of the base. The side columns are configured to be partially receivable into side columns of an identical tray nested thereon and the end columns are configured to be partially receivable into end columns of the identical tray nested thereon.

Abstract: A protective enclosure for a touch screen device, the enclosure formed of a substantially rigid tray having a rim surrounding an interior device seating surface; a lid having a substantially rigid rim surrounding a window aperture, the rim of the lid corresponding to the rim of the tray; a pliable membrane having an interior window portion that is structured for viewing there through and is sized to project outwardly of the rim surrounding the window aperture of the lid; a continuous pliable seal adapted to be compressible between the rim of the lid and the rim of the tray; and a clamping mechanism structured for clamping the rim of the lid and the rim of the tray with the pliable seal forming a continuous substantially water-resistant seal therebetween.