Abstract: A bucket with a blade-shaped lower front edge includes: a first straight portion horizontally extending from the lower front edge toward an innermost of the bucket; a curve continuous with a rear edge of the first straight portion at a lower edge of the curve, the curve having a predetermined bucket radius; a second straight portion continuous with an upper edge of the curve, the second straight portion being inclined upward toward a bucket opening; a third straight portion bent at a bent portion toward the bucket opening relative to a front edge of the second straight portion, the third straight portion further extending toward the bucket opening; a reinforcing member provided on an exterior surface of the third straight portion to reinforce of the exterior surface; and a connecting portion provided behind the curve.

Abstract: A mobile vacuum system includes a mobile support frame, a vacuum source connected to selectively vacuum materials into a primary collection tank and a secondary collection tank. The primary collection tank is mounted on the frame, while the secondary collection tank is connected to either the frame of the primary collection tank by a boom. The boom, which can be in the form of an articulated arm, allows the secondary collection tank to be moved through a wide range of motion relative to the frame, e.g., for dumping debris from the secondary tank.

Abstract: An implement system is adapted for use with a machine including an implement and a fork assembly. The fork assembly having one or more loading members includes a first upright portion, a second upright portion, and a crimped portion. Further, the crimped portion interconnects the first upright portion and the second upright portion. A mounting device is configured to support the implement and the fork assembly. Further, the mounting device includes a first side plate and a second side plate. A first transverse member is disposed between the first side plate and the second side plate. A second transverse member is disposed between the first side plate and the second side plate, such that the one or more loading members of the fork assembly are pivotally connected to the second transverse member.

Abstract: A pump apparatus comprises a primary pump having a relatively low pressure fluid input and a relatively high pressure fluid output and means, associated with said primary pump fluid input, operable where the ambient pressure is insufficient substantially to prevent cavitation in the primary pump, to locally increase the pressure at said primary pump fluid input.

Abstract: An exhaust pipe (7A) in an engine (7) is provided with an exhaust gas purifying device (10) with a urea selective reduction catalyst (13A) removing nitrogen oxides in an exhaust gas. The exhaust gas purifying device (10) is provided with a urea water injection valve (14) that injects urea water as a reducing agent to the upstream side of the urea selective reduction catalyst (13A). The urea water injection valve (14) is connected to a urea water tank (22) through a urea water pump (25). The urea water pump (25) is arranged in an upper side to the urea water tank (22). A return conduit line (30) in which the urea water flows from the urea water pump (25) toward the urea water tank (22) is disposed in an upper-lower direction between the urea water pump (25) and the urea water tank (22).

Abstract: Certain aspects direct to systems and methods for preventing water pipe freeze. A water supply system includes a water pipe and an Internet of Things (IoT) tap device switchable between an open state and a closed state. An IoT temperature sensor is disposed on the water pipe to detect an environmental temperature of the water pipe and generate a corresponding temperature signal. The IoT tap device is communicatively connected to the at least one IoT temperature sensor. In operation, the IoT tap device requests and receives the temperature signal from the temperature sensor, and determines the environmental temperature based on the temperature signal. When the environmental temperature is at or below a threshold temperature, such as a freezing point of water, the IoT tap device controls its tap to switch to the open state such that water flows or drips out from the tap.

Abstract: A vacuum breaker includes a safe valve body and an elastic gasket. The safe valve body has a receiving space which has a periphery provided with connecting holes. The elastic gasket has a size smaller than that of the receiving space, with clearances being defined between the elastic gasket and the receiving space. The elastic gasket has a center provided with a through hole and has an outer periphery provided with a sealing portion. Thus, the sealing portion contracts inward when water stops passing the safe valve body, so that ambient air flows into the receiving space to break a vacuum state in the safe valve body, such that a fluid contained in the safe valve body flows through the clearances between the elastic gasket and the safe valve body, and is drained outward from the connecting holes.

Abstract: A top-mount faucet assembly includes a coupling mounted on a counter that selectively couples a faucet thereto. The counter coupling has a disc-shaped collar with two keepers and a land for selectively locking the faucet. The land has a v-shaped part and a n-shaped part. The faucet has a main valve body with a locking assembly. To couple the faucet to the counter coupling, the main valve body is placed over the coupling and turned clockwise so that slots align with the keepers to fix the faucet axially to the coupling. As the faucet rotates clockwise, the locking assembly rides along the v-shaped part until captured by the n-shaped part to lock the faucet in place rotationally. To uncouple the faucet from the coupling, a button is pushed so that the locking assembly moves radially inward out from the n-shaped part, then the faucet is turned counter-clockwise.

Abstract: A tool for removing hair from a drain includes an elongate pole, a grappler part, a barb unit, and a handle. The grappler part is provided at a front end of the elongate pole and includes a head end and a grappler protruding from a side of the elongate pole. The head end of the grappler part has a curved, arrowhead, or hooked end plane. The barb unit provided on the elongate pole is adjacent to the grappler part and includes a plurality of barbs aligned with the grappler of the grappler part at the same side of the elongate pole. The handle provided at a rear end of the elongate pole includes a pointer for indicating orientation of the barbs and the grapplers of the grappler part. The tool can be smoothly operated by a user for effective removal of congested hair from a drain.

Abstract: The present invention relates to an operating device for a flush water tank device in a flush toilet wherein manual and motorized control units are configured to actuate a flush valve by means of a single connecting member operably connecting the manual and motorized control units to the flush valve. The operating device is characterized by a single connecting member operatively connected to the flush valve for opening and closing the flush valve depending on a pull-up amount of the connecting member, a manually operating unit for pulling up the single connecting member when a user performs a manual operation for the control unit, and an electrical drive unit adapted to pull up the single connecting member so as to actuate the flush valve by using an electrical power from an external power source.

Abstract: A toilet includes a bowl having an opening, an outlet, and two jet holes positioned above a water line defined by a weir of a trapway. The two jet holes are configured to evacuate waste from the bowl into a drain.

Abstract: A portable erosion protection device for use in conjunction with a catch basin is provided. The protection device includes an open base and a perforated wall structure extending upwardly and inwardly to form a pyramid-shaped structure. The base is designed to be mounted on or seated on an upper portion of the catch basin.

Abstract: A method is provided for operating a wastewater pumping station of a wastewater pumping network. The pumping station includes a pump, that starts pumping if a level of a wastewater in a tank exceeds a first wastewater level, and the pump stops pumping if the level of the wastewater in the tank drops below a second level. The method includes determining a magnitude of a parameter (Psys, Q, n, ?P, Pelectrical, cos ?, I) expressing the load of the wastewater pumping network. If it is determined that the magnitude of the parameter has passed a specified threshold, the pump is activated to start pumping in an energy optimization mode. A control unit is also provided for the wastewater pumping station of the wastewater pumping network, and a system is provided for centrally controlling a plurality of pumps of wastewater pumping stations in a wastewater pumping network.

Abstract: A space frame includes a plurality of support structures and a node member configured to couple with the plurality of support structures. The node member includes a base portion, a plurality of coupling members extending from the base portion, each of the plurality of coupling members configured to couple with each of the support structures, and a plurality of clamping members configured to couple each of the plurality of coupling members with each of the plurality of support structures.

Abstract: A strut connector for use with a hollow strut having at least one a pair of opposed openings formed in the strut. A pair of identical connector portions are rotatably coupled together, with one of the connector portions inverted. Each connector portion is a flat blade having a body portion and an arm portion extending from the body portion. The body portion has a first hole and a second hole. The arm portion has at least one tab extending from the arm portion at an angle. The arm portions are coupled together via the first hole, then rotated to engage respective openings on the strut with the tabs. The second holes are aligned and a fastener secured through the second holes.

Abstract: An extendable and retractable column which is formed from at least three linked sections or chains. The linked sections include a plurality of individual segments linked end to end. As the linked segments are extended, each of the individual segments of the linked chains engage individual segments of adjacent linked sections to form a column. As the linked sections are retracted, each of the individual segments of the linked sections disengage from the individual segment of the adjacent linked sections and the individual linked sections may be rolled up into a multi-sided form for compact storage.

Abstract: A lateral reinforcement system for a concrete structure having axially disposed structural bars. The lateral reinforcement system comprises a plurality of reinforcement ties disposed at an inclination to the axially disposed structural bars. A pair of reinforcement ties of the plurality of reinforcement ties is disposed at mirror inclinations to each other. In the pair of reinforcement ties, the reinforcement ties cross each other at diametrically opposite corners of the reinforcement ties at diametrically opposite axially disposed structural bars, such that, a first reinforcement tie of the pair of reinforcement ties crosses from inside of a second reinforcement tie of the pair of reinforcement ties at one structural bar, and the second reinforcement tie crosses from inside of the first reinforcement tie at the diametrically opposite structural bar. The plurality of reinforcement ties forms a three-dimensional interwoven network around the axially disposed structural bars.

Abstract: The invention relates to a vapor retarder membrane, intended to be used for improving the airtightness of a building or of a room, comprising at least one active layer having a water vapor permeability which increases with the surrounding relative humidity, said active layer comprising at least 90% by weight of a blend of ethylene/vinyl alcohol (EVOH) copolymer and of a copolyamide 6-6.6 (PA666), the latter having a melting point below 210° C.

Abstract: A reinforced water-resistant board includes a cover board with a reinforced water-resistant membrane applied to a surface of the cover board. The reinforced water-resistant membrane includes a primer layer, a reinforced membrane, a traffic coat, and a sealing layer. The primer layer is applied over the surface of the cover board. The reinforced membrane includes fleece soaked in a liquid resin and is applied over the primer layer. The traffic coat is boned to the reinforced member. The sealing layer is applied over the traffic coat.

Abstract: A method of sealing a gap between construction slabs by deforming and inserting a sealing member of closed cell foam is described. An assembly including a deformed sealing member and construction slabs is disclosed. Also described is a joint seal configured to seal a gap between constructions slabs, which utilizes a deformed sealing member of closed cell foam installed within the gap.

Abstract: According to one embodiment, a flood vent includes a frame configured to form a fluid passageway through an opening in a structure. The flood vent further includes a panel configured to be coupled to the frame in the fluid passageway so as to at least partially block the fluid passageway through the opening in the structure. The flood vent also includes one or more connectors configured to couple the panel to the frame. The one or more connectors are further configured to uncouple the panel from the frame when 0.5-5.0 pounds per square inch (PSI) of pressure is applied to a portion of the panel by one or more of a fluid or an object carried by the fluid, so as to reduce an amount of blockage of the fluid passageway provided by the panel.

Abstract: A method and a system for fastening an object to a façade comprising at least one supporting wall made in a hard material coated externally with a thermal insulation coat made in a crumbly material, the object being fastened to the wall by means of a fastening member received in an area for receiving a plot made in a hard material arranged in projection out of the wall. The object is fastened to the wall in an indirect way offsetting towards the outside of the façade the area of the plot. The plot is fastened to the wall by a fastening area extending between the wall and the receiving area. The plot is a straight cylinder extending through the insulation coat.

Abstract: Implementations of the present invention relate to systems, methods, and apparatus for delivering and/or removing fluid from a discrete location within a building. In particular, the present invention involves a modular conduit system that can supply or remove air, water, gas, or other fluids to/from an individual space created by modular walls.

Abstract: A hoarding system including a hoarding assembly; the hoarding assembly includes one or more wall-boards, one or more corner-connectors, a length of vertical-u-channel, a length of lower-horizontal-u-channel, a length of upper-horizontal-u-channel, one or more angle-braces, and one or more back-brace-panels to be used in functional and structural combination. The one or more wall-boards are structured and arranged to align and connect horizontally to enclose an area to prevent unauthorized ingress into that area and may be connected by the corner-connectors to make a right-angle. The one or more wall-boards may further include a door to allow ingress and egress to the enclosed area by a user. A kit for a hoarding system is also included, as is a method of use for a hoarding system.

Abstract: A sealing gasket assembly for sealing a head-of-wall construction including a member body having a top member with first and second spaced apart side panels depending from the top member. The intersection of the first side panel and the top member defines a first inside corner and a first outside corner and the intersection of the second side panel and the top member defines a second inside corner and a second outside corner. A supplemental sealing member extends along each of the first and second outside corners. Each supplemental sealing member is manufactured from a flexible material and is configured such that a panel abutment portion thereof extends along at least a portion of an outside surface of the respective side panel and a return portion extends along at least a portion of an outside surface of the top member.

Abstract: Disclosed herein are low density fiber cement articles, such as fiber cement building panels and sheets, comprised of multiple overlaying fiber cement substrate layers having small and uniform entrained air pockets distributed throughout. Also disclosed herein are air entrainment systems and methods for manufacturing aerated low density fiber cement panels or sheets with consistent air void content and uniform air void distribution. Also disclosed herein are air entrainment technologies adapted to work in conjunction with the Hatschek process to produce aerated fiber cement articles having controlled air void content and distribution.

Abstract: A method and an article of manufacture are disclosed for externally reinforcing various solid structures, such as columns, poles, piles, beams and the like, against buckling under compressive forces and loads. In various embodiments, a seamless multi-layer jacket is constructed around the structural member by wrapping a thin sheet of material around the structural member, as many times as needed, at a distance from the structural member. While maintaining the thin sheet of material wrapped around the structural member, a filler material will fill the annular space between the jacket and the structural member, wherein the structural member, the jacket, and the filler material cooperate to better resist the buckling of the structural member when subject to compressive forces and loads.

Abstract: The disclosure generally relates to a locating assembly as a component of a locating table segment for positioning truss segments in a truss assembly system. The system generally includes a plurality of table segments aligned in parallel and adapted to position a series of locating blocks on a top surface of the system/table, where each block is a component of one of a plurality of locating assemblies in the system. The block positions collectively define an outer boundary of a support truss (e.g., as a roofing truss). Once the blocks are moved to their desired position, appropriately sized truss segments are placed within the block-defined boundary and fastened together.

Abstract: A composite assembly includes a series of elongated layers joined lengthwise thereof. At least two of the elongated layers each have an upper elongated portion and a lower elongated portion secured together in an end-to-end relationship at a joint therebetween by a connector arrangement. The upper elongated portion is constructed of a wood material, and the lower elongated portion is constructed of a non-wood material. The lower elongated portion may have a reinforcing rod therein.

Abstract: A seamless sheet installation system preferably includes a seamless sheet and a plurality of sheet retention devices. The seamless sheet is retained on a tube. A pair of rotating retention devices may be inserted into ends of the roll. Each rolling retention device includes a tube plug and a rotating handle. An end of the seamless sheet is secured to the top eave flange. The seamless sheet is held against a bottom of the eave purlin web with one of the plurality of sheet retention devices. The sheet retention device may have any suitable design. The seamless sheet is rolled out to successive purlins, wrapped over the top flange and anchored to a bottom of the vertical web with one of the plurality of sheet retention devices. The seamless sheet wrapping process is terminated at an opposing eave purlin or a ridge purlin. Insulation is then inserted between adjacent purlins.

Abstract: An improved architectural trim device constructed from cellular polyvinylchloride. The process employs manufacturing dimensionalized cellular PVC architectural components from a single sheet of plastic that can achieve both linear and radius shapes without using heat bending techniques. The process strengthens the cellular PVC, giving it more structural integrity than other products made strictly of cellular PVC. These techniques enable the manufacture of components with tighter tolerances than traditional heat bending techniques which distort the size and shape of the material making accurate and precise assembly difficult.

Abstract: A baffle, for use with a roof deck, includes a main body portion and an attachment surface. The baffle is installable from the exterior side of a roof deck through an opening in the deck to form an air flow path between the interior side of the roof deck and the main body portion. The attachment surface may be attachable to the roof deck while the main body extends along the interior side of the roof deck.

Abstract: An assistance device (1) to allow a wheeled vehicle to overcome an obstacle, comprising a frame, (2), an upper plate (4), a lower plate (3) with lateral rims (41), a flap (5) and a locking member (71; 72). The upper plate (4) is supported on the lateral rims (41). By moving in translation between a deployed position and a storage position, the lower plate (3) mechanically determines the height position of the upper plate (4) by sliding on the lateral rims (41). The flap (5) pivots relative to the upper plate (4) between a substantially vertical rest position and a deployed position resting on the lower plate (3). The flap (5) forms a junction between the lower plate (3) and the upper plate (4). The locking member (71; 72) is supported by the lateral rims (41) and locks the flap (5) in the storage position of the lower plate (3) and releases the flap (5) when the lower plate (3) leaves the storage position of same.

Abstract: An apparatus for trimming step edges includes an elongate member forming a nose piece for mounting at an edge of a horizontal existing surface. The member comprises a rear surface, a front face, a top surface extending therebetween, and a groove in the front face of the member. The groove has first and second side walls extending from first and second side edges at the front face and leading to a base recessed therefrom. The member is supported by screws received in the groove in a mounted position wherein the top surface of the member is spaced above the existing surface so that a thickness of a covering material, which disposed on the existing surface for covering same, is located between the top surface and the existing surface. Also, a lighting element is inserted in the groove for illuminating an area adjacent the edge of the existing surface.

Abstract: A system, kit, and method of resurfacing and/or embellishing a surface is provided. The kit includes a plurality of materials, such as cleaner, primer, adhesive, paper, and sealer. Each material is provided in a quantity for covering a pre-determined area such that the kit is capable of refinishing and/or embellishing a surface having a size equal to the pre-determined area. The kit also includes tools for refinishing and/or embellishing the surface. The method includes cleaning and priming the surface, cutting and/or tearing paper, adhering the paper to the primed surface, and sealing the paper between the surface and a sealer layer. The system and method enables a user to resurface a variety of surfaces, including surfaces that include a variety of edges, corners, curves, and/or recessed areas, enabling the user to transform the appearance of the surface so that it resembles a more expensive surface, such as natural stone.

Abstract: A partition molding of a metal strip having a right angle cross-section with a vertical leg and a horizontal leg joined at a corner, the horizontal leg having a hem distal from the corner and projecting above a main part of the horizontal leg, the vertical leg having a series of regularly spaced holes for reception of drywall screws used to attach the molding to a wall whereby contact force between the molding and an overlying ceiling is concentrated at the hem and a reaction force can create a moment that serves to urge a lower edge of the vertical leg against a wall on which the molding is mounted.

Abstract: A floor underlayment for positioning and mounting a heating element beneath a finished floor is described. The floor underlayment comprises a plurality of studs extending upwardly from a base layer, where the outer wall of the studs forms an acute angle with the base layer and a smooth inner wall defines a cavity within each stud. Mounting corridors formed by rows or columns of adjacent studs are sized to receive and retain a heating element.

Abstract: A finishing tool with an elongate body having a finish side and a grip side. The finish side provides a finish edge configured to form a flat concrete surface when pulled across partially set concrete. The grip side is configured to be gripped by a user. A radius notch on one end of the finish side is configured to provide a rounded edge transition above the flat concrete surface when pulled across the partially set concrete. The finish edge is configured to be sloped running away from the radius notch. An adjustable form gage can be attached to an opposite end of the elongate body from the radius notch. The adjustable form gage defines a foot with a form surface configured to interface with a form. The adjustable form gage is adjustable within a predetermined range to set the finish edge at a predetermined pitch.

Abstract: A vertical member of a modular scaffolding system includes a securing rosette provided in an upper section having a reduced diameter to provide a pre-determined modular connection. The vertical member includes an elongate intermediate section forming the majority of the vertical member of a first diameter greater than the reduced diameter. The intermediate section at a lower edge includes an integral spigot of the reduced diameter. A reinforcing sleeve is fixedly secured to the upper section above the rosette and forms a spigot receiving socket. The vertical member has higher capacity due to the larger diameter intermediate section while maintaining modularity of the scaffolding system.

Abstract: A ventilated flooring system may generally include a base, a substructure, a top surface, a control box, an air mover, and a sensor. The base, the substructure, and the top surface may form a floor within which the sensor is disposed. The sensor may measure properties of air within the floor, sending measurements to the control box. The control box may activate and deactivate the air mover based on measurements from the sensor and control logic. In some examples, the air mover is connected to an HVAC system and routes air output from the HVAC system into the floor. Further, the ventilated flooring system may also include a second sensor for measuring ambient air, an alarm for providing notice of malfunctions, and/or networking capability that allows for remote monitoring of the system.

Abstract: A prefabricated concrete pool including concrete walls and a pan-formed concrete floor, as well as a method of fabricating a prefabricated swimming pool, the method including erecting an external wall form, erecting an internal wall form opposing the external wall form, and positioning pan forms on a floor form.

Abstract: Disclosed is a car parking assembly (100). In one aspect, the car parking assembly (100) comprises a rail mechanism (104) and a plurality of V-bars (106) mounted on the rail mechanism (104) to facilitate the parking of a car and horizontal movement of a parked car respectively. The rail mechanism (104) further comprises a first rail (202), a second rail (204) and a plurality of equally spaced connection. The V-bars (106) further comprises a first bar (502) for facilitating parking of a rear wheel of the car and a second bar (506) for facilitating parking of a front wheel of the car and wherein one end of the first bar (502) and one end of the second bar (506) are connected such that to form a obtuse angle.

Abstract: The present invention discloses a high-capacity drilling rig system that includes novel design features that alone and more particularly in combination facilitate a fast rig-up and rig-down with a single set of raising cylinders and maintains transportability features. In particular, a transport trailer is disclosed having a first support member and a drive member which align the lower mast portion with inclined rig floor ramps and translate the lower mast legs up the ramps and into alignment for connection. A pair of wing brackets is pivotally deployed from within the lower mast width for connection to the raising cylinder for raising the mast from a horizontal position into a vertical position. A cantilever is pivotally deployed from beneath the rig floor to a position above it for connection to the raising cylinder for raising the substructure from a collapsed position into the erect position.

Abstract: A socket mounted post system including a post with a hollow base portion attached to a spring mechanism. The spring mechanism includes a pillar, the pillar having a finger extending from the hollow base portion. The finger is engageable with a socket that is mountable in a floor. The spring mechanism allows the post to flex angularly relative to a vertical orientation of the post.

Abstract: A vegetation barrier for use beneath a fence to inhibit the growth of vegetation beneath said fence includes two vegetation barrier members and an intermediate member. Each vegetation barrier member is joinable to a fence post at one end and engages an intermediate member at the opposite end through longitudinally slidable engagement, allowing the vegetation barrier to readily accommodate uneven spacing between fence posts and further allowing the vegetation barrier to expand and contract. The vegetation barrier member and/or the intermediate member may further comprise elongated openings that allow the vegetation barrier to be secured to an underlying surface by a securement member that passes through the elongated opening and into the underlying surface, while still allowing for expansion and contraction of the vegetation barrier. Further provided are methods of covering a surface beneath a fence using said vegetation barrier.

Abstract: Some embodiments of the present door handles include a housing, a hand sanitizer delivery system coupled to the housing, the hand sanitizer delivery system having a reservoir configured to contain hand sanitizer, a nozzle in selective fluid communication with the reservoir, and a pump configured to communicate hand sanitizer from the reservoir to the nozzle, and a first lever movably coupled to the housing, where the housing is configured to be mounted to a door having a movable latch such that movement of the first lever a first distance in a first direction actuates the door latch, and where the hand sanitizer delivery system can be actuated independently of the door latch. In some embodiments, the housing is configured to be mounted to the door such that movement of the first lever a second distance, smaller than the first distance, in the first direction actuates the hand sanitizer delivery system.

Abstract: A pin setting key for setting rotational orientations of pins of a lock. The key includes a bow portion and a blade portion for inserting into a keyway. The blade portion has a longitudinal axis and a bow end and a tip end, with a plurality of bitting positions located between the bow and tip ends. Each of the bitting positions corresponds to one of the pins of the plug such that insertion of the blade portion into the keyway aligns the bitting position with one of the pins. Each bitting position includes at least one bitting surface configured to rotate a pin when the contact surface of the pin contacts the bitting surface. Each bitting surface is offset from a central location of the respective bitting position. Each bitting surface has an axis extending generally transverse to the longitudinal axis of the blade.

Abstract: A profile rail (1) is provided for forming a locker system (2) having a plurality of lockers (21, . . . , 26). The profile rail (1) is formed to integrate a locking mechanism (31) of one of the lockers (21) within the profile rail (1). The profile rail (1) comprises a lamella device (11) to cover the integrated locking mechanism (31; 32). The lamella device (11) is arranged to be displaceable in the direction of the longitudinal extension (L) of the profile rail (1). The lamella device (11) can be retained at a retaining site (12) of the profile rail (1) against longitudinal displacement.

Abstract: An electrically operable motor vehicle door lock (1) has a locking mechanism including at least one locking element (2) and/or actuating element, a motor (3) which acts on the locking element (2) and/or actuating element, and an emergency energy source (12) for emergency operation of the motor (3) in the event of failure of a main energy source (6). A switching element (8, 9) actuated by the main energy source (6) is provided. The switching element (8, 9) connects the emergency energy source (12) to the motor (3) electrically in the event of failure of the main energy source (6) to and provide for the emergency operation.

Abstract: A lock system for controlling access, for example to a room or building, is disclosed. The lock system comprises a bolt module in which control of the bolt can be configured differently on the two sides of a leaf or door. Control of the bolt module may be provided by various locking modules, which are also disclosed herein. The bolt module is reversible for left handed or right handed operation. In one embodiment the bolt module comprises: a bolt moveable between a thrown position and a retracted position; and a first rotor assembly capable of accepting a drive element, the first rotor assembly arranged to drive the bolt. The bolt module may also comprise a second rotor assembly. The bolt module may comprise an anti-thrust member obstructing driving back of the bolt under action of an external force on the bolt. The bolt module may comprise a lockable cover.