Abstract: A quick coupling system for a steering wheel with a steering wheel-side coupling part and a vehicle-side coupling part, which may be pushed together along a longitudinal axis to mechanically engage with one another in a positive locking manner in an assembled state. The vehicle-side coupling part has an engagement element and the steering wheel-side coupling part has an element complementary thereto, which can engage only with the correct orientation with respect to the longitudinal axial rotational position. The engagement elements are each arranged at least in the front region of the coupling parts and cooperate in such a way that even a partial pushing together in incorrect orientation is prevented.

Abstract: Retention washers include a washer body having a first side and a second side opposite the first side. The washer body has a perimeter having one or more lobes, and the retention washer further includes a multi-point star-shaped hole extending through the washer body from the first side to the second side. The retention washer is configured to maintain an installation torque of an installed nut when the retention washer is positioned such that the hole circumscribes the nut. Systems for retaining a propeller assembly on a shaft may include a nut installed on a bolt, and a retention washer positioned such that the hole of the retention washer circumscribes the nut, thereby limiting rotation of the nut with respect to the bolt and retaining the nut on the bolt. The system may include a circular array of nuts and bolts, each nut having a respective retention washer positioned thereon.

Abstract: A windshield removal tool has elongate arm with a claw at its distal end. The device also includes a winch actuated by a motor at the proximal end of the arm. When a cutting wire is positioned along an adhesive bead about a periphery of a fixed glass or panel, the cutting wire is threaded through a puncture in the adhesive bead and attached to the winch. The claw engages a location along the adhesive bead as the winch wines in the cutting wire. A pulley near the distal end of the arm guides the wire. The device may be removed from an initial anchored position and anchored at a new position by removing the claw and placing it at another point along the periphery.

Abstract: A medium connector including a passage configured to allow for the flow of medium, and a multi-portion engagement surface positioned about the passage. The multi-portion engagement surface includes a first surface portion, and a second surface portion. The first surface portion is configured to provide an interference fit with a corresponding sealing surface of a mating connector. The second surface portion is configured to provide a clearance fit with the corresponding sealing surface of the mating connector. The ratio of the first surface portion and the second surface portion is selected to regulate an engagement force between the medium connector and the mating connector.

Abstract: The invention relates to a support structure, in particular for a wind turbine, having at least two segments, which are joined to one another such that their longitudinal axes extend substantially collinearly to one another. At least one of the segments is a pipe section, which has at least two mutually facing abutment surfaces that are joined to one another, at least in parts. A support structure is provided that is producible in less time and is more cost-effective because the join between the abutment surfaces involves at least one welded join, the thickness of the welding join being less than the wall thickness of the pipe section, and/or the join between the abutment surfaces involves at least one retaining clip.

Abstract: A structural assembly for a work machine and method of assembling a node and strut structure are provided. The assembly includes at least one strut extending along a longitudinal axis and having a first end portion and a second end portion opposite the first end portion. The assembly further includes node members. Each of the node members has a first node portion with a first node cavity. The first end portion of at least one strut is configured to engage the first node portion of one of the node members. The second end portion of at least one strut is configured to engage the first node portion of another node member. An adhesive bonds the first end portion and the second end portion of the strut to the node members at the first node cavity of each of the node members.

Abstract: The present disclosure provides, in certain aspects, unique methods and systems for connecting orthopedic components. In some forms, a male-type projection of a first orthopedic component is securely lodged within a female-type aperture in a second orthopedic component. In one embodiment, the projection, while received through a proximal entryway in the aperture, includes a first longitudinal region with deformed surface elements that provide a first securing zone within the aperture and a second longitudinal region with deformed surface elements that provide a second securing zone within the aperture. The first securing zone is located proximate the distal end of the projection, and the second securing zone is located proximate the proximal entryway of the aperture.

Abstract: The present invention provides a tower section for a wind turbine which includes at least two tower elements stacked and arranged edge-to-edge at a joining plane, each tower element includes at least two wall segments, connected to one another by first connectors. The tower section further includes second connectors each extending astride the two adjacent tower elements along the longitudinal direction. Each second connector extends in the longitudinal extension of a first connector and has a width increasing, from the first connector, from a first width substantially equal to the width of the first connector to a second width strictly larger than the first width, the second width being reached before the joining plane starting from the first connector.

Abstract: A cone piece is tightened into a compatibly shaped hole in the end of a shaft. As the cone piece is tightened, it forces the shaft to expand outwards. As the shaft expands, it creates or increases pressure against a hub, wheel, crank or other mating piece that is positioned on the shaft, locking it into place.

Abstract: A roll form framing system has a plurality of support beams being interconnected by a plurality of couplers and a plurality of splines. Each of the plurality of support beams including a beam body, a first structural channel, and a second structural channel. The first structural channel and the second structural channel are formed into an outer lateral wall of the beam body, wherein the first structural channel and the second structural channel provide a recess for aligning a plurality of fasteners utilized to secure the plurality of support beams, the plurality of couplers, and the plurality of splines to each other. The outer lateral wall and an inner lateral wall of the beam body delineate a coupler receiving volume for accepting one of the plurality of couplers, while the inner lateral wall delineates a spline receiving volume for accepting one of the plurality of splines.

Abstract: A liner adapted for insertion into an acetabular shell for use in hip arthroplasty. The liner includes a concave inner surface adapted to engage a femoral head. The liner also includes an outer surface adapted to engage the acetabular shell and a rim that extends between the inner surface and the outer surface. The outer surface includes a locking section extending from the rim, a composite-curved section extending from the locking section at a first transition point, and a dome section extending from the composite-curved section, wherein at the first transition point, the composite-curved section is tangential to the locking section.

Abstract: A polished rod clamp includes a clamp housing having a central passage passing through a tapered bore. A wedge lock is arranged in the tapered bore such that a first surface of the wedge lock is in sliding engagement with a tapered surface of the tapered bore and a second surface of the wedge lock grips a rod in the central passage in a lock position. A first reciprocating piston is arranged to apply a first force to the wedge lock that effects a relative sliding motion between the wedge lock and the tapered surface in a first direction corresponding to the lock direction of the wedge lock. A second reciprocating piston is arranged to apply a second force to the wedge lock that effects a relative sliding motion between the wedge lock and the tapered surface in a second direction that is opposite to the first direction.

Abstract: A portable support for supporting equipment above a surface having an opening to a subsurface space. The support includes a head, an elevator on the head, and legs connected to the head for supporting the head above the surface. Each of the legs has a foot for engaging the surface when supporting the head above the surface. The support also includes an elongate rod vertically mounted on the elevator for movement between a raised position, in which an upper end of the rod extends above the head, and a lowered position, in which a lower end of the rod extends below the feet of the legs to extend into the subsurface space. The support includes an instrument platform positionable on the lower end of the rod when in the lowered position to support the equipment in the subsurface space when the rod is in the lowered position.

Abstract: A system and method for mounting a bearing assembly on a shaft includes an internal flange, external flange, and a sleeve. The internal flange is securable to the bearing assembly and has a displacement pin extending outward that defines an initial position of the bearing assembly relative to the shaft. The external flange is secured to the internal flange via fasteners passing through elongated holes. The external flange has an opening configured to receive the displacement pin. The external flange may be rotated when coupled to the internal flange with the fasteners between a first position where the external flange opening is not in register with the displacement pin and a second position where the external flange opening is in register with the displacement pin. A sleeve has a tapered outside diameter and is engageable with the external flange.

Abstract: A composite sandwich shell edge joint includes an outboard buildup pad, an inboard buildup pad spaced-apart and adjacent to the outboard buildup pad, an outboard face sheet extending from the outboard buildup pad, an inboard face sheet extending from the inboard buildup pad, bridging plies connecting the outboard buildup pad and the inboard buildup pad and at least one barrel nut installed in the buildup pads.

Abstract: A plug for ease of alignment of a temperature probe or sensor inside a duct of a transformer winding is provided. The plug is shaped for secure placement into a duct or passage of a transformer winding without requiring any adhering material. The insertion of the plug into the duct or passage brings the temperature probe into contact with the desired point along the transformer winding being thermally monitored.

Abstract: The invention concerns a tower element for a tower, preferably for a wind power plant, where several tower elements with an outer surface and an inner surface are mounted on top of each other, where the periphery of the tower element is made up of a number of segments provided with inwardly facing flanges at the longitudinal sides, the flanges being connected to corresponding flanges on laterally arranged segments. The individual segments are made with an overlap on the outer surface in the transverse joints and with a butt joint at the inwardly facing flanges. By the invention there is achieved flexibility in production and during transport and mounting. With an overlap on the outer surface between two segments, mechanical joining can be performed between two segments in transverse direction. This mechanical joint between two segments results in a more stable construction and a rigidity substantially corresponding to the rigidity that may be achieved in segments joined by welding.

Abstract: A ready to assemble chair base includes three leg components. First and second leg components each include two of the five legs, and a third leg component includes a single leg. A hub portion of all three components includes a portion of the central tapered hole. The hub portions of the first and second components join together with vertical interlocking surfaces slidably locking together in the direction of the axis of the central tapered hole. The hub of the third leg component is formed in the shape of a tenon blade and is inserted into a horizontal mortise slot (perpendicular to the axis of the central hole) formed by the interlocked hubs of the first and second leg components. A gas lift post is received into the center, tapered hole of the assembled base locking all three components together.

Abstract: A connector for an equipment support includes a housing having an interior area defined by a wall. The interior area extends inwardly from an opening on one end thereof. The wall has one or more longitudinal slots extending through the wall. The connector includes one or more engagement pads positioned in the interior area and being radially moveable in the longitudinal slot. The engagement pads have an exterior engagement surface and a tapered interior engagement surface. The connector includes a plunger moveably positioned in the interior area. The plunger defines a tapered exterior surface that tapers radially inward from a first end thereof and terminates at a seating end. The tapered exterior surface slidingly engages the tapered interior engagement surface. The plunger defines an activation portion. The engagement pads move radially in response to a force applied to the activation portion of the plunger.

Abstract: The disclosure refers to an insert for attaching a first component to a second component. The insert comprises a body with portions being arranged in the following sequence along a centre line of the insert between two front ends: A first portion with a first diameter; a second portion with a second diameter; a third portion with a third diameter, and a fourth portion with a fourth diameter. The geometries are such that the second diameter is less than the first diameter and less than the third diameter, and the third diameter is less than the first diameter. Finally, the fourth diameter is less than the third diameter.

Abstract: A hay spear accessory apparatus for providing a secure and fixed mounting point for attachments such as ropes, chains, cables and the like, the apparatus being generally comprised of a an open-ended sleeve member having an interior diameter sized for slidable engagement over the distal end of a hay spear, the sleeve having attachment mounting means fixedly connected to the outer surface thereof. The interior of the sleeve has a varied diameter so as to accommodate the receipt of hay spears of various diameters. The apparatus of the subject invention is designed for frictional engagement with a hay spear, but optional securing means are also provided which prevent axial displacement of the apparatus along the hay spear once mounted thereon.

Abstract: A joint comprising first and second abutting components, and an adjustable strap assembly bridging the abutting components, the strap assembly including a first strap part attached to one of the components, and a second strap part attached to the other component, the first and second strap parts having mating inclined faces for adjustment of the second strap part with respect to the first strap part such that the position of the second strap part is adjustable with respect to the first strap part in the direction of the incline. Also, a method of forming the joint, comprising attaching the first strap part to the first component, providing the second strap part such that the inclined faces of the first and second strap parts are in mating engagement, adjusting the second strap part with respect to the first strap part in the direction of the incline to position the second strap part in a desired relationship with respect to the first strap part, and attaching the second strap part to the second component.

Abstract: A dovetail coupling arrangement is disclosed for securing two removable parts along a coupling axis. The dovetail coupling arrangement includes multiple opposing surfaces between the receiver of a first member and the projection of a second member to provide resistance to forces transmitted in a direction orthogonal to the coupling axis. Such an arrangement may be utilized for jaw sets associated with hydraulic construction, demolition, and scrap handling equipment.

Abstract: An insertion coupling for a boring rod assembly with at least two coupling elements is disclosed. The coupling elements include at least one corresponding tapered coupling face pair constructed to produce play-free clamping when pressing forces are applied to the insertion coupling.

Abstract: A coupling system for receiving a push rod includes a housing defining an internal channel having a sloped wall, and a piston received within the internal channel. The piston includes at least one flexible member arranged within the channel to be acted upon by the sloped wall to engage the push rod. The only external force required to couple the push rod is an axial force on the piston in a direction. The only external force required to de-couple the push rod is an axial force on the piston in an opposite direction.

Abstract: A corner joint between two frame lineals of a pultruded window frame is defined by inserting a leg of a corner member into a hollow interior of each lineal and attaching the legs to the lineals by adhesive. Each leg has a plurality of surfaces thereof each having a first portion at the corner which lies closely adjacent a corresponding surface of the first lineal and a second portion, at the end of the first portion remote from the corner which tapers inwardly away from the corresponding surface of the first lineal such that a spacing therebetween increases in the direction away from the corner. The adhesive is applied to the tapered portion and the taper acts to force the adhesive along the leg to the first portion and to the ends of the lineals where the excess can be wiped away.

Abstract: A mounting system is disclosed for mounting a bearing assembly or other mechanical element to a shaft. The mounting system uses a tapered sleeve mechanism to secure the bearing assembly on the shaft. Specifically, a plurality of screws point load the tapered sleeve and drive it from a pre-assembled position to an initial position. Once the initial position has been reached a plurality of fasteners then drive the sleeve from the initial position to a final position. The difference between the initial position and final position determined by the width of a removable spacer used in the mounting system. The system also incorporates a jack screw mechanism used to dismount the bearing assembly from the shaft.

Abstract: Apparatus and method for reorienting a toroidally shaped core configured to carry a green tire. The core includes a central axis defined through first and second oppositely facing tapered recesses respectively including first and second locking mechanisms. The apparatus includes a core support structure including a base and a reorientation member connected for movement relative to said base and a core coupling member. The core coupling member connects for movement with the reorientation member and includes a core locking mechanism that couples with the core coupling member and locks the core coupling member to the core. A drive system couples with the reorientation member and operatively moves the reorientation member so as to change the orientation of the central axis from a first orientation to a second, different orientation transverse to the first orientation.

Abstract: An assembly is disclosed, which may include at least one latch element having at least one retaining wall comprising a tapered surface. Further, the assembly may include at least one base element having at least one tapered side surface configured to couple to a respective tapered surface of the at least one retaining wall. Optionally, the latch element may include at least two retaining walls and the base element may include at least two tapered side surfaces. A movable locking element may be configured to be selectively positioned at a first position to couple the at least one base element to the at least one latch element and at least a second position to decouple the at least one base element and the at least one latch element. An archery system including such an assembly is disclosed as well as a method of coupling a base element to a latch element. Adjustable quivers and components are disclosed.

Abstract: A clamping arrangement for the force-fit connection of an outer component arrangement having a recess to an inner component arrangement, the clamping arrangement including an inner conical ring and an outer conical ring wherein one of the conical rings has bores for the leadthrough of clamping screws and the respective other conical ring has threaded bores for screwing in the clamping screws to brace the inner and outer conical rings against one another via the mutually facing first and second conical peripheral surfaces, and against the inner and outer component arrangement. At least one of the bores for the leadthrough of the clamping screw having an ejector thread for an ejector screw and the diameter of the ejector thread being greater than the diameter of the corresponding clamping screw.

Abstract: A watercraft lifting system includes a bunk rail assembly, an intermediate frame assembly, a base assembly and a ground support assembly. The bunk rail assembly includes a bunk rail coupled to a load distribution member. The load distribution member is received by the bunk rail such that the bunk rail may rotate by at least a limited amount relative to the load distribution member. The bunk rail may slideably receive a bunk cushion and form a channel therewith for sandwiching a rigid structural member (e.g., a board). The watercraft lifting system may also include contoured clamps that cooperate to distribute and transfer load between frame members. In one embodiment, the contoured clamps include parabolically-shaped inner surfaces.

Abstract: A composite guidewire comprising a proximal wire segment having a proximal end, a distal end and a longitudinal axis extending therebetween, the distal end being formed with a first flat planar bonding face which extends parallel to the longitudinal axis, the proximal wire segment having a first elasticity; a distal wire segment having a proximal end, a distal end and a longitudinal axis extending therebetween, the proximal end being formed with a second flat planar bonding face which extends parallel to the longitudinal axis, the distal wire segment having a second elasticity; wherein the first and second flat planar bonding faces of the proximal wire segment are formed complementary to one another; and further wherein the proximal and distal wire segments are joined together by bonding the first flat planar bonding face to the second flat planar bonding face in an overlapping manner and a method for forming a composite guidewire.

Abstract: A thread form is shown which is used to make a threaded connection between two tubular members and which is capable of being screwed together and subsequently unscrewed. A pin member is provided having external threads with stab flanks and load flanks and flat crests and roots for mating with the mating internal threads of a box member to make up a pipe connection. The thread crests on the pin member are cylindrical with respect to a central longitudinal axis of the tubular member while the thread roots are cut on a taper so that the height of the threads vary over the length of the thread form. The threads on the pin and box members can also be cut oppositely so that respective members of the thread forms are mirror images of each other.

Abstract: A cylinder having an attachment on which a component having an internal taper surface is fixed, wherein in a positive anti-turning connection is in effect between the cylinder, and the taper connection has at least two regions in the circumferential direction having a smaller and a larger taper angle.

Abstract: A steel bar connecting structure is disclosed. The steel bar connecting structure includes a connecting sleeve having on an inner circumference thereof an internal threaded part, and a steel bar having an external threaded part which engages with the internal threaded part. The steel bar is inserted into the connecting sleeve. Each of the internal threaded part and the external threaded part is formed such that a crest of each of threads thereof is cut. Thereby, when the steel bar is strongly coupled to the connecting sleeve, a neighboring crest and root of the internal threaded part and the external threaded part are not in contact with each other, whereas inclined flanks of the threads of the internal threaded part and the external threaded part are in close contact with each other.

Abstract: A fuel lance assembly for an engine comprises: a fuel lance to be received in a passage provided in a cylinder head and a connection arrangement comprising an inlet adapter for securing the fuel lance within the passage. The fuel lance comprises a tubular member of constant external diameter, arranged to be received, in use, within the passage and having a first end being shaped for cooperation with a seating surface of a fuel injector of the engine, and a second end being shaped for cooperation with the inlet adapter, and being provided with a bore therethrough to define a fuel flow path between the first end and the second end of the fuel lance. The inlet adapter is provided with an attachment system for engaging a compatible attachment system of the cylinder head, and has a proximal region for receiving a high pressure fuel pipe, and wherein the inlet adapter has a distal region provided with an opening being adapted to receive the second end of the fuel lance.

Abstract: A shaft assembly includes a metallic portion and a ceramic portion. In a disclosed example, a ceramic shaft has a generally conical end that is at least partially received within a generally conical recess in one end of a metallic shaft. The recess has a first portion that has an inner surface that is received directly against a corresponding outer surface on a section of the ceramic shaft conical portion. A second portion of the recess is radially spaced from the ceramic shaft and provides a controlled gap within which a braze alloy is maintained. In one example, the second portion has an axial length that is more than twice a radial depth of the second portion. In another example, a transition surface between the first and second portions of the recess has a linear profile.

Abstract: An orthopedic component comprising a first element and a second element, with the first element and the second element being secured to one another with a modular connection, wherein the modular connection comprises a taper junction and an engaged-fit junction.

Abstract: An improved connector for flex shafts for a string trimmer has an input area and a drive area, where the input area of the connector has a modified diamond shape with sloping sides. This diamond shape allows for easy and reliable connection of the driven working end.

Abstract: A composite tension rod is received in the sleeve portion of a shank that forms part of a terminal fitting, and is spaced from the shank sleeve and connected thereto by a potting resin. The shank sleeve wall tapers out from thin at its distal end to thick at the bury depth of the rod. The rod is tapered outwardly from a point of minimum diameter at its inner end to its full diameter a given distance from the end. The shank sleeve and rod have complementary dual tapering along said length such that as the diameter of the rod along said distance increases, the wall thickness of the shank sleeve decreases. The resin layer and the rod are secured to each other against relative longitudinal movement, as are the resin layer and the shank sleeve. In another aspect of the invention, a tension rod sleeve is fixed to the tension rod and extends over the distal end of the shank sleeve and along all or a majority of the length of the shank sleeve.

Abstract: An automotive hinge comprises: a door component adapted to be mounted to a vehicular closing panel, the door component comprising a conical pivot axis aperture; a body component adapted to be mounted to a vehicular body structure, said body component comprising a pivot arm; the door component and the body component being adapted to rotate about a pivot axis; the body component comprising an upstanding, conical structural feature extending from the body component and adapted to be coaxially aligned with the pivot axis and structurally fixed to the pivot arm of the body component; the conical structural feature comprising an external conical bearing surface; such that when the hinge is assembled, the door component interleaves over the body component, dimensionally locating the door and body components by means of the walls of the conical pivot axis aperture of the door component interacting with the external conical bearing surface of the conical structural feature.

Abstract: A flange (1) for a space vessel (2), which flange (1) is arranged so as to reduce a shock or impact wave that occurs upon the release of a coupling (5). The coupling (5) is intended to impart a radially inwardly acting force to hold together two separable space vessel parts (3, 4) via two flanges (1, 6) belonging to respective space vessel parts (3, 4). The first flange (1) comprises at least one weakened point (9) so that it has a substantially broken annular shape, in order to thus reduce its energy-absorbing capacity when it is bent inward by the force (F).

Abstract: A flooring member comprising a top, a bottom, a first edge, a second edge, a tongue member configured to be received within a groove member of an adjacent flooring member, the tongue member extending generally perpendicular from the first edge and having a top surface and a bottom surface, the tongue member top surface is inclined away from the flooring member top at a first angle, the tongue member bottom surface is inclined toward said flooring member top at a second angle, the second angle being less than the first angle so that a gap resistant interconnection of the tongue within a groove of an adjacent flooring member is achieved.

Abstract: A universal joint adapted to interconnect a pair of rotating shafts at an angle relative to one another including a first member and a second member wherein the first member has a first longitudinal axis and includes an elongated semi-spherical head having a plurality of circumferentially spaced and radially outward facing facets which are curved along the first longitudinal axis and the second member has a second longitudinal axis and includes a pocket adapted to receive the elongated head. The pocket further includes a plurality of circumferentially spaced and radially inward facing facets which correspond to the plurality of radially outward facing facets on the elongated head and are tapered relative to the second longitudinal axis.

Abstract: A fastening mechanism for connecting a sports attachment to a shaft is provided. The fastening mechanism comprises an aperture formed in the shaft. A fastening member is mounted to the sports attachment with at least a portion of the fastening member receivable within the aperture. A biasing mechanism biases at least a portion of the fastening member in the aperture wherein the fastening member is releasably maintained within the aperture thereby releasably connecting the sports attachment to the shaft.

Abstract: A handle for a tire bead breaking tool is disclosed, comprising an elongate shaft having a gripping portion, a shield portion, and a working portion at a forward end. The working portion is configured having an oblong cross-section comprising protruding opposite end surfaces and substantially less protruding opposite lateral surfaces disposed between the end surfaces. The lateral surfaces of the working portion extend along at least a portion of the gripping portion. The working portion of the handle is press fit into a circular bore of a tool head and contacts sidewalls defining the bore along the handle protruding end surfaces.

Abstract: A member coupling device is provided for use with a treatment apparatus which uses chemicals. The member coupling device is formed with a tapered hole including a tapered hole portion which diverges toward an opening. A tapered implant is inserted into the tapered hole from an enlarged side of the tapered hole portion and fitted therein. The implant includes a tapered portion in contact with the tapered hole portion, and a first thread formed on the tapered portion. With the implant fitted in the tapered hole, a member is placed in contact with the member coupling device. A second thread formed on a fastening member is engaged with the first thread of the implant in a screw coupling configuration to mount the member on the member coupling device.

Abstract: A fastener for securing objects to a slat floor, having a self-centering and self-aligning capability. A first embodiment comprises a body formed of a durable material and having a top surface, a lower surface, at least one side surface, and a central hole extending between the top surface and the lower surface. A second embodiment comprises a body formed of a durable material and having a top surface, a lower surface, at least one side surface, and a central hole extending between the top surface and the lower surface, wherein the top surface of the body has a flat central surface and two sloping upper surfaces starting adjacent to the flat central surface and angling downward toward either end of the body, and a lower fastener component that is coaxial with the central hole.

Abstract: A screw compressor has an electric motor having a first output shaft; and two intermeshing rotors, one of which has a second output shaft substantially coaxial with the first output shaft; the first and the second output shaft being connected directly by a conical coupling.

Abstract: An upper lid alignment apparatus for hatchback reaction cabin includes at least three sets of mating members. Each mating member has a protruding active member located on a side wall of an upper lid and a receiving member located on a side wall of a table. The receiving member has a guide slope to guide the active member to slide and reset on an anchor spot on the receiving member. The upper lid hence may make closed contact with the table to form a sealed cabin for reaction process.