Abstract: A method of fabricating conducting crossover structures for power inductors comprises providing a first lead frame array including first lead frames, providing a second lead frame array including said second lead frames, stamping one side of a second lead frame array to define first and second terminals of said second lead frames, at least one of coating, spraying, applying and/or attaching an insulating material to said first lead frame array to form a first laminate, stamping said first laminate in a direction from said insulating material towards said first lead frame array to define first and second terminals of said first lead frames; and arranging said insulating material of said first laminate adjacent to and in contact with said one side of said second lead frame array to form a second laminate.

Abstract: Transformers having bobbins that are constructed in such a way that pre-formed secondary windings (e.g., resembling springs) may be slipped onto the bobbins after a primary winding has been wound onto the bobbin. Additionally, the secondary windings may also serve as a self-leading device. That is, they may not require terminations on pins of the bobbin, which may reduce cost and complexity. The secondary windings may have circular or non-circular (e.g., flat) cross-sections. The transformer winding techniques provided herein may reduce the number of components, and may promote smaller input filters and/or less filtering stages at a fraction of the cost of conventional transformers.

Abstract: A micro-actuator to which no head slider is adhesively bonded is mounted on a suspension. The head slider is adhesively bonded to the micro-actuator mounted on the suspension. Before the head slider adheres to the micro-actuator, an electrical connecting work of the slider is completed, and a characteristic test is carried out. If the head slider is judged as being normal as a result of the characteristic test, the head slider concerned is bonded to the micro-actuator by the adhesive.

Abstract: A step portion for mounting a row bar is provided at a table stepping down from the face of the table, and by lowering a pair of hooks crossing over the step portion in its width direction, a row bar held by the hooks is mounted on the step portion. While interposing the row bar mounted on the step portion between a pair of hooks and a side face of the step portion, the side in longitudinal direction of the row bar and the bottom face thereof are butted to the bottom face and the standing up side face of the step portion to position two axes of the row bar among XYZ directions, successively, positioning of the row bar in one remaining direction along longitudinal direction of the row bar mounted on the step portion is performed by moving the table in the one remaining axial direction.

Abstract: A tool assembly for removing an article from, or inserting an article onto, a printed circuit board which includes a tool housing having a handle portion and an article receiving portion, a plate slidable within the housing, the plate having a handle portion at a first end adjacent to the handle portion of the housing and two receiving portions at a second end, and two lever arms within the housing, each lever arm having a first end pinned to the housing and a second end of each lever arm inserted into the receiving portion of the plate such that each of the lever arms pivots about the pinned first end upon movement of the plate. The tool further comprises a pair of flexible rods located in respective recessed channels on either side of the article receiving portion, with one end of the flexible rods affixed to a first end of each of the lever arms, each of the flexible rods having a free end for interacting with an article retention device.

Abstract: A robotic tool for assembling a portion of a disk drive includes a movable end effector that includes a first portion and a second portion that is movable relative to the first portion. The first portion may be configured to engage the actuator assembly and the second portion may be configured to engage the flex circuit connector. A controller may be provided to control the movable end effector, causing the end effector to pick up the head stack assembly in a first configuration, move the second portion of the end effector relative to the first portion thereof so as to articulate the head stack assembly into a second configuration that is different than the first configuration, and place the head stack assembly into the base.

Abstract: A method for manufacturing a printed circuit board (PCB) having different thicknesses in different areas includes: providing a first substrate having two lateral unwanted portions bounded two imaginary boundary lines, a binder layer having a through opening and a second substrate having a mounting area for mounting electronic elements; forming two slots bounded the imaginary boundary lines in an intermediated unwanted portion of the first substrate corresponding to the mounting area; laminating the first and second substrates, and the binder layer with the mounting area exposed via the through opening; filling the two slots and the through opening with a filling material, thereby obtaining a semifinished PCB board; cutting the semifinished PCB board along the imaginary boundary lines to remove the two lateral unwanted portions and a portion of the second substrate corresponding to the two lateral unwanted portions; and removing the intermediate unwanted portion and the filling material.

Abstract: A method is described by which an electrical path is created between layers on a printed circuit board (PCB) without the use of plated through holes (PTH). Through the use of a liquid solder or conductive epoxy injection fixture, a conductive path is created in pre-drilled holes forming an electrical connection between internal PCB metal layers and surface mounted components without the creation of parasitic stubs on the signal nets.

Abstract: The invention discloses an interposer used for connecting a plurality of chips. The interposer includes a connective substrate and at least a through via disposed in the connective substrate. The connective substrate has a first surface and a second surface. The through via acts as a connector, and is electrically connected to the first surface and the second surface. The first surface and the second surface are electrically connected to at least a first chip and a second chip respectively. In addition, the first chip and the second chip are electrically connected by the through via.

Abstract: A multilayer three-dimensional circuit structure and a manufacturing method thereof are provided in the present invention. The manufacturing method includes following steps. First, a three-dimensional insulating structure is provided. A first three-dimensional circuit structure is then formed on a surface of the three-dimensional insulating structure. Next, an insulating layer covering the first three-dimensional circuit structure is formed. Thereafter, a second three-dimensional circuit structure is formed on the insulating layer. Subsequently, at least a conductive via penetrating the insulating layer is formed for electrically connecting the second three-dimensional circuit structure and the first three-dimensional circuit structure.

Abstract: An insulating sheet including resin is attached to a conductor portion composed of a wiring pattern and a columnar conductor from above. Then pressure and heat are applied to the insulating sheet using the columnar conductor as a stopper to form a layer of resin having a uniform thickness with the height of the columnar conductor being a reference to cover the conductor portion. In such method for manufacturing an electronic part, a projecting portion is formed outside a part formation area. In this substrate sheet, the amount of the resin required for forming the layer is computed based on the proportion of the volume taken up by the conductor portion in a domain including the projecting portion, and the thickness of the insulating sheet is set in accordance with the computed resin amount.

Abstract: A silicon chicklet pedestal for use in a wafer-level test probe of a wafer is provided and includes a main body, first and second opposing faces, and an array of vias formed through the main body to extend between the first and second faces, through which pairs of leads, respectively associated with each via at the first and second faces, are electrically connectable to one another.

Abstract: An electrical connector for use with providing an electrical termination to an end of a cable having a conductor helically disposed between a core and a layer overlying the core. The connector includes a first portion having an opening sized greater than a diameter defined by the helically disposed conductor but less than a diameter of the layer. A second portion has an opening sized greater than a diameter defined by the helically disposed conductor. A third portion is configured to receive a conductor of a second cable. As a result of the end of the cable being sufficiently inserted through the opening of the first portion, the helically disposed conductor is exposed about a length of the cable extending through another side of the first portion and received in the opening of the second portion.

Abstract: A method for generating a multiplicity of capacitance values is described herein. The method can include lining a housing with an insulating layer to form a lined housing. Wires can be connected to terminals of capacitors to form a collective connection. The collective connection can be connected to a fuse to form a wired bundle, which can be disposed within the housing. A resin can be poured into the housing to form an expansion chamber. A common terminal and auxiliary terminals can be disposed within a cap, which can have an insulating spider. An interrupter can also be secured to the cap. The method can include connecting each positive wire to one of the auxiliary terminals and connecting the fuse to the common terminal. A lip of the cap can be deformed around the housing for securing the cap to the housing, forming a bundled capacitor.

Abstract: A method of manufacturing an array of thin metallic foil strips of predetermined thickness, the strips assembled to form circuits that can be electrically connected to a printed circuit board, cables or attached to wires. The strips are assembled to a base using contacts. A first side of the strips are assembled to a first side of the base. The foil strips are draped over a mandrel and a second side of the strips are assembled to a second side of the base. The excess material is removed from the strip to form a plurality of strips that form independent circuits when assembled to the circuit board.

Abstract: A method for making a probe card includes: mounting a plurality of probe needles on a probe-mounting seat; forming a conductive protective coating on tips of the probe needles; and bonding the probe needles to a printed circuit board through welding techniques after formation of the conductive protective coating on the tips of the probe needles.

Abstract: A method for installing an interior structure for a mobile platform is provided. The method includes carrying a lightweight collapsible frame through a man-door of a mobile platform while the collapsible frame is in a collapsed state. The collapsed frame is then expanded to provide at least a portion of a load bearing frame for a mobile platform interior structure. A plurality of interchangeable panels are removable attached to the collapsible frame to form interior surfaces of the mobile platform interior structure.

Abstract: An automated fabrication system is provided that utilizes electromagnetism to manipulate and/or sense the location of raw materials on a platform. Tools located around said platform may be utilized to fabricate a predetermined structure out of the raw materials. Tags that can be electromagnetically manipulated and sensed may be placed on passive raw materials. Structures fabricated from such a system may be, for example, a roof truss. Additionally, the fabrication system may be mobilized by way of a truck such that structures may be built on-site.

Abstract: A dynamic bearing manufacturing includes steps of: providing a bearing and a processing tool, the bearing having an axial hole, and the processing tool having at least one protruding pattern formed on an exterior wall of the processing tool; positioning the processing tool into the axial hole of the bearing; pressing the processing tool to contact with an inner wall of the bearing so as to transfer and print the protruding pattern of the processing tool onto the inner wall of the bearing; rotating the processing tool at a first rotation speed and driving the bearing to rotate at a second rotation speed; and forming at least one concave pattern on the inner wall of the bearing, and the at least one concave pattern being corresponding to the protruding pattern of the processing tool.

Abstract: An exemplary method for limiting movement of an outer race of a bearing cartridge includes positioning the bearing cartridge in a substantially cylindrical bore having a longitudinal axis, an inner diameter exceeding an outer diameter of the outer race, a proximate end and a distal end; limiting axial movement of the outer race at the distal end of the cylindrical bore with a counterbore substantially coaxial to the cylindrical bore and having an inner diameter less than the outer diameter of the outer race; limiting axial movement of the outer race at the proximate end of the cylindrical bore with a plate positioned substantially orthogonal to the longitudinal axis; and limiting rotation of the outer race with a pin positioned in a pin opening accessible via a lubricant drain. Various exemplary bearing cartridges, housings, assemblies, etc., are also disclosed.

Abstract: The device comprises at least one pressing member and an attachment member for attaching it to a wind turbine part, for example, a blade root, which may have a relative movement with regard to a first part, for example, a bearing in a pitch blade mechanism, the first part having a seat into which the joint is to be fitted. Upon relative rotation between the first parts, the pressing member presses the seal into the seat. A method for fitting the seal into the seat is also provided. Operations of maintenance or partial or complete replacement of the seal can be carried out in situ on the wind turbine and also on pitch bearing manufacturing easily and effectively.

Abstract: The folding tool has one side-plate (1a) and the other side-plate (1b). A part of the rear side of the other side-plate (1b) or an arm-like plate (2) attached as a separate body is used as an inwardly pressing member, and a projection (3) is provided at the head of the arm-like plate (2). The base end of the body (5) having at its end a rear recess (6) is foldably pivotally attached by means of a support shaft (4) to the base ends of both the one side-plate and the other side-plate. The projection (3) and the recess (6) of the body (5) are engaged with and locked to each other.

Abstract: A cutter apparatus includes a housing, multiple tools mechanically coupled to the housing, at least one of the tools including a cutting device, and a slider and lock wheel mechanically coupled to the housing and configured to selectively release only one of the tools at a time from being secured within the housing.

Abstract: A cutting tool of the scissor type includes a pruning head with fixed counter-blade and movable blade operated by a first cord sliding on sheaves. The pruning head is connected to a telescopic extension pole with two side shells that enclose a trolley carrying two trolley sheaves and a fixed sleeve that form a tackle housed within the shells. The telescopic pole is comprised of two pipes, one of which slides inside the other, which are provided with grooves, a sliding cap, a pipe-clamp and a handle, which define a path of a second cord that allows the telescopic lengthening of the pole while maintaining the tension of the cord and maintaining the position of the handle.

Abstract: A jig is provided for use in cutting synthetic shingles or tiles, as comprising a table and a clamping bar, with fasteners securing the clamping bar to the table for clamping a shingle or tile between the table and the bar, with the bar being used as a guide for sliding a cutting tool therealong, at any of an infinite number of angles, for making an infinite number of angled cuts to the shingle or tile. The table may be constructed having a base with a frame, and a removable and replaceable insert.

Abstract: A combination target reflector, light emitter and bracket assembly is disclosed for use in marking points during the taking of a land survey. The combination is pivotally connected to a central rod of a target tripod or a tripod that supports a target reflector. The disclosed combination includes first and second arms and a light emitter that is held in axial alignment with the target reflector. The first arm is pivotally and perpendicularly connected to the central rod of the tripod. The second arm is perpendicularly connected to the target reflector and the light emitter. The tripod can be moved close to a point to be marked, the tripod can be adjusted to plumb the target reflector and then the second arms, light emitter and target reflector can be moved out of axial alignment with the rod to mark the point without moving the tripod. As a result, the conventional trial and error procedure currently employed can be avoided.

Abstract: A system for testing the accuracy of an electronic compass is disclosed. The system includes a circular track, a compass seat, an electromagnetic element, a driver, a power source, a calculator, and a magnetic shielding chamber. The electromagnetic element is disposed on the circular track and powered by the power source to generate a magnetic field. The electronic compass is installed on the compass seat and surrounded by the circular track. As such, the electronic compass can measure the magnetic field of the electromagnetic element and calculate direction relative to the electromagnetic element at different points of the circular track when the electromagnetic element is driven by the driver to move along the circular track. The magnetic shielding chamber is for shielding the electromagnetic element and the electronic compass from interference of external magnetic fields.

Abstract: The inclination sensor (A1) according to the present invention includes a pair of light receiving elements (4A, 4B), a light emitting element (5) for directing light to the light receiving elements (4A, 4B) and a case (2) including a space (20) for accommodating a rolling member (6). The space (20) is configured to cause the rolling member (6) to be located at a pair of light shielding positions at which the rolling member overlaps the light receiving elements (4A, 4B) or a neutral position at which the rolling member does not overlap either of the light receiving elements (4A, 4B). The light receiving elements (4A, 4B) and the light emitting element (5) are mounted on a substrate (1) attached to the case (2) at a surface facing the space (20). A plurality of surface-mounting terminals (7a, 7b, 7c) are provided on a surface of the substrate (1) which is opposite from the surface on which the light receiving elements (4A, 4B) and the light emitting element (5) are mounted.

Abstract: Method of and apparatus for indexing a workpiece to a tool at a predetermined angle of orientation, using a bubble level to establish a horizontal reference plane. The bubble level may be pivotally fixed to a housing of a jig which may incorporate a magnet for adhering the housing to a magnetically responsive workpiece. The bubble level may be secured at a particular pivotal orientation such that when the workpiece is held against the cutting or abrading surface of a tool, the workpiece may be manually maintained at the predetermined angle of orientation such that a ground surface disposed at a predetermined angle on the workpiece may be formed while holding the workpiece manually. The jig may incorporate an adjustable leg to assist in tightening the bubble level at the particular pivotal orientation.

Abstract: A measuring device includes a transfer sleeve, an assist assembly, and a caliper gauge. The transfer sleeve includes two end surfaces and a side surface; the sleeve defines a transfer hole along the longitudinal direction thereof and perpendicular to the end surfaces, and the transfer hole passes through two end surfaces; the transfer sleeve defines a screw hole along the transversal direction thereof in the side surface and communicates with the transfer hole. The assist assembly is screwed in the screw hole, and includes a screw rod, a spring element, and a ball; the screw rod defines a receiving hole therein; the spring element and the ball are inserted into the receiving hole in sequence. The caliper gauge includes a base plate and two side plate extending upright from opposite edges of the base plate correspondingly.

Abstract: The present invention relates to a method of examining an aperture diameter of a disk substrate having a circular aperture in the central portion thereof, the method including: attempting to pass a standard sphere for the aperture diameter through the aperture; and inspecting the aperture diameter of the disk substrate, based on whether the sphere passes through the aperture or not. Furthermore, the present invention relates to an examination apparatus thereof.

Abstract: A measuring device is provided that may be selectively configured between an extended condition and a collapsed condition. The device includes a first member, second member, flexible housing, and securing means. Each member has a proximal end, distal end, and convex surface. The convex surfaces are flexible such that the members may bend about a bending axis of the device and resilient such that the convex surfaces are biased toward their stable convex shape and the device is biased toward the extended condition. The first and the second members are disposed within the flexible housing to form a covered pair having a proximal end and a distal end. The apex of the convex surface of the first member is opposite the apex of the convex surface of the second member when the members are disposed within the flexible housing. The securing means secures the measuring device in the collapsed condition.

Abstract: A height measuring device, including a scale, including graduation and a measuring part, and a positioning plate, the graduation and the measuring part are disposed on a right side of the scale, the measuring part is capable of moving along the graduation and indicating height, a measuring plate is disposed on the measuring part, and capable of folding as being perpendicular to or parallel to the scale, a top edge of the scale is capable of being buckled with a bottom edge of the positioning plate, a bottom edge of the scale is capable of being buckled with a top edge of the positioning plate, and a fixing part is disposed at the back of each of the scale and the positioning plate, and capable of being disposed in a vertical plane.

Abstract: A control system for controlling the utilization of heated waste streams for fluidizing particulate matter such as coal in a fluidizing bed dryer. The control system includes a number of graphic user interfaces that allow an operator to more easily monitor and/or control the various regulator devices. The control system controls coal handling or transportation, fluid handling or flow, and the discharge of discarded or separated coal from the dryer.

Abstract: The present invention relates to an apparatus and processing method for drying lumber, for example two-by-four studs in an environment in a kiln in a manner to avoid warping, including crook, bow, cup and twist. The lumber pieces are stacked in a normal manner with stickers for providing air flow between courses of the lumber pieces, and the stack is dried while a horizontal force is provided to the respective courses of lumber in the stack to hold the individual pieces of lumber in edge to edge contact throughout the drying, equalizing, conditioning and cooling process for first drying of lumber, redrying of lumber or in a treatment process for removing warp from previously dried lumber. A vertical force comprising a weight or other force generating device can be also applied to the stack of lumber to augment the overall reduction in warpage if so evidenced.

Abstract: The present invention relates to an exhaust structure for a clothes dryer in an apartment building. The exhaust structure includes at least one riser pipe mounted in a vertical direction crossing every floor of a building, a plurality of branch pipes branched from the riser pipe to a household in the every floor to guide exhaust gas from the household to the riser pipe, a lint filter provided in each of the plurality of branch pipes to filter lint included in the exhaust gas, a first pressure sensor provided in front of the lint filter to sense a pressure in each of the plurality of branch pipes, and a filter controller to determine whether the lint filter is blocked, by receiving a value of the pressure sensed by the first pressure sensor.

Abstract: The present invention relates to a laundry machine. The laundry machine includes a drum rotatably mounted in a cabinet, a hot air heater to heat air and supply hot air into the drum, a steam generator to supply steam into the drum, a water supply source detachably mounted in the cabinet to supply water into the steam generator, and a water leakage preventing unit to prevent water leakage when the water supply source is detachably mounted.

Abstract: A method of customizing an article of footwear that is configured for self assembly is disclosed. The method includes steps of applying customized designs to pre-cut portions, and packaging the pre-cut portions with a lace and a set of instructions into a kit of parts. The kit of parts can be taken home and assembled by the customer.

Abstract: A shock absorbing device for a shoe sole includes: an outer sole 2; a midsole M; and a deformation element 3 placed between the outer sole 2 and the midsole M. The deformation element 3 is positioned at a periphery of a rear foot part 1B and includes a bending deformation member 30 that opens toward the periphery from a center of the rear foot part 1B. The bending deformation member 30 includes a lower plate portion 31, an upper plate portion 32 that forms an opening angle with respect to the lower plate portion 31, and a curved portion 33 that connects the lower plate portion 31 and the upper plate portion 32. The lower plate portion 31 and the upper plate portion 32 are gradually getting away from each other as a distance from the curved portion increases. A rubber-like or pod-like compression deformation member 35 is fit between the lower and upper plate portions 31, 32.

Abstract: A shoe is provided with a writing surface so that temporary expressive indicia can be applied to the shoe. The writing surface is preferably in the form of a side surface of the shoe extending between a tread and a foot contacting surface of the shoe. The side surface is preferably formed of patent leather compatible with a dry erase marker provided as a writing implement. In a most preferred form of the invention, the shoe includes a bore which acts as a housing for the marker or other writing implement to conveniently store the writing implement when not in use. The bore or other housing also keeps the writing implement fresh by sealing the writing implement within the bore when not in use, especially when the writing implement is a dry erase marker.

Abstract: A railroad ballast removal system capable of removing ballast material from below a rail line. The railroad ballast removal system includes at least one rotary cutting wheel having a plurality of individually replaceable cutting attachments positioned about a perimeter of the rotary cutting wheel. Each rotary cutting wheel is attached to an articulated arm capable of adjusting the position of the rotary cutting wheel along varying axis. The articulated arm is mounted to a support structure capable of transporting the rotary cutting wheel to a portion of railway requiring maintenance of the ballast material. The railroad ballast removal system is able to operate at a spot location or in a continuous manner down a length of railroad track. The ability to manipulate the rotary cutting wheel along the various axis allows the rotary cutting wheel to be used for ballast removal in locations wherein adjacent railways limit cutting access.

Abstract: An apparatus and related method for conveying information associated with containers. The apparatus comprises a container supporting modification means which when selectively altered effectively changes the appearance of the container such that a unique visual communication is produced. The related method comprises selectively altering the modification means supported by the container thereby providing a unique visual communication.

Abstract: An apparatus for installing an advertising sign is disclosed. The apparatus comprises a support structure; a lifting system fixed to the support structure; a top rail supported on the lifting system such that the top rail can be raised and lowered between a lowered mounting position and a raised display position; and a bottom rail fixed to the support structure. The lifting system comprises a cord operable to raise the top rail to the upper display position. The top rail comprises a longitudinally extending channel adapted to engage a top periphery of an advertising sign, and the bottom rail comprises a longitudinally extending channel adapted to engage a bottom periphery of an advertising sign. A method for installing an advertising sign is also disclosed. A system and a method of retaining a flexible sheet are also disclosed.

Abstract: Adapter devices, apparatus, systems and methods of allowing a firearm to be supported by a foldable fore grip/gun handle. The fore grip gun handle can have bipod type legs that can be extendable from the handle. The fore grip handle can be just a vertical extension. The adapter can allow for the fore grip/gun handle to move from a fold back position along the bottom of the firearm so that the firearm can be easily carried, and the adapter to can allow for the handle to move down to a vertical support position beneath the firearm when the firearm is to be used. The adapter can also support a light in both a folded position and in a downwardly extended position, where light can be aimed forward, rearward to the side and/or pointed down from the firearm. The adapter can allow for a dual functioning component that can be either or both a fore grip and/or a light source.

Abstract: A substantially noiseless firearm and ammunition therefor, in which the projectile of the ammunition is attached to the front end of a sabot which fills the cross-sectional area of the barrel and is fired with the projectile. The barrel is provided with lands designed to catch the sabot at the front end of the barrel in such manner that the barrel is sealed off in a gas-proof fashion by the sabot.

Abstract: Devices, and methods of extending legs from vertical fore grip handles on firearms, such as rifles, to different height positions. The vertical fore grip can include expandable bipod legs. The legs can be individually extended to different lengths by moving telescoping rod members in leg housings from retracted positions to extended positions. A lever switch can allow for the legs to be locked into the different extended positions, and depressing the switch can allow for the legs to go back to the retracted positions. Anti-rotation pins and slots can prevent the telescoping members from rotating relative to the legs.

Abstract: A firearm cleaning kit includes a case having first and second compartments joined along a fold line, and a fastener for joining together the first and second compartments. A tool compartment having at least one tool-holding cavity is secured to an interior region of the case, and a firearm cleaning tool is secured within the cavity. The kit further includes a length of material formed into a closed loop and attached to the case at a single point along the length of the loop. The kit further includes a divider piece having a single slot formed therethrough. Storage compartments are formed by the insertion of the loop of material through the slot in the divider piece. The divider piece is slideable along the length of the loop to make the storage compartments adjustable.

Abstract: A method for securing an accessory to a firearm. The method includes providing a body with an undercarriage portion which is shaped to matingly receive at least a portion of the undercarriage of the firearm, a trigger guard portion shaped to engage at least a portion of the trigger guard firearm, and a firearm connector portion which is constructed of a resilient deformable material which forms a snap-fit with a portion of the firearm in order to secure the body to the firearm. The body also has an accessory connector portion shaped to secure an accessory to the body.

Abstract: An animal trap for catching mice has a box-shaped housing with foundation housing and attached to it is the cover housing, capable of swiveling. Arranged in the interior of the housing, there is a triggering system designed like a seesaw with a stepping platform. The cover housing is locked in the open position with the help of mechanical restraint devices. A locking mechanism resting in the cover housing has an unlocking button for restoring the open position, as well as an operating button for the user to transfer the cover housing into closed position.

Abstract: An embodiment of a bait station comprises a rotatable lid and air-tight bait compartments. An additional compartment also contains bait and is accessible to rodents as they enter the station. The rotatable lid is configured to hold the bait within the compartments and can be rotated in order to replace the previously accessible bait with fresh bait from a different compartment. A key can be attached to an extension pole in order to unlock and rotate the rotatable lid without requiring a person to kneel down or bend over. A base having two entrances provides an inviting environment for rodents.