7653 results about "Washer" patented technology

A laundry appliance including a cabinet, a tub, and a drum. The tub is positioned inside the cabinet. The tub includes a front tub wall having a front tub opening, a rear tub wall, and a tub sidewall that extends between the front tub wall and the rear tub wall. The drum is rotatably supported within the tub. The drum includes a front drum opening, a rear drum wall, a drum sidewall that extends between the front drum opening and the rear drum wall, and a laundry compartment positioned inside the drum that is accessible through the front drum opening. An air gap is positioned radially between the tub sidewall and the drum sidewall. At least one heating element is positioned on or in the tub sidewall to heat the tub sidewall and therefore air flowing through the air gap.

An improved AR platform firearm includes modular brass deflectors and brass catches; sleeved takedown and pivot pinholes; a cam latch device for a secure upper / lower receiver connection; a two-piece upper receiver; a taper-fit barrel system; a barrel alignment system using a barrel alignment washer; a charging handle that positively engages with the bolt carrier; a charging handle retention system using a spring detent; a bolt carrier with rear wall to absorb shear force on the gas key or anvil; a leak-proof gas system using a straight gas tube, ferrule and threaded connection with the gas block; a gas block stop notch that mates with a gas block key; a gas block jam nut for holding the gas block in place; an interchangeable gas system; an expansion chamber; a handguard with adjustable weights; a handguard lock-up mechanism; a handguard extender; and a sloped Picatinny rail for extending scope utilization.

A pipe repair device includes a gasket defining a substantially cylindrical shape, the gasket defining a gasket top end and a gasket bottom end opposite the gasket top end, a gasket outer surface, and a gasket inner surface opposite the gasket outer surface, the gasket outer surface defining a plurality of raised ridges, the raised ridges extending about a circumference of the gasket outer surface; and a spring engaging the gasket inner surface, wherein the pipe repair device is configurable in an expanded configuration and one of a compressed configuration and a folded configuration, and wherein the spring biases the pipe repair device to the expanded configuration.

A method of repairing a pipe includes providing a pipe repair device, the pipe repair device comprising a spring and a gasket, the gasket defining a gasket top end, a gasket bottom end, and a gasket outer surface, wherein the gasket outer surface defines a plurality of raised ridges and recessed dimples; biasing the pipe repair device to an expanded configuration with the spring inside of the pipe; engaging the raised ridges of the gasket outer surface with an inner wall of the pipe; and creating a suction force between each of the recessed dimples and the inner wall of the pipe to retain the pipe repair device against the inner wall.

A multi-directional, equalizer clamp device is disclosed, the clamp device being configured to attach and secure objects, such as posts, rails and the like, for a multiplicity of clamping applications that benefit from single-point clamping operation. The clamp device comprises upper and lower body portions which may be configured to clamp to a side rail of a support table, while further configured to receive objects and clamp them along a secondary clamping direction. The clamp device further comprises a control assembly, such as a knob, to facilitate and achieve simultaneous clamping along both primary and secondary clamping directions at a single point of control. A jogging clamp for clamping to variable sized objects in a primary direction comprises a plurality of spherical, indexing recesses disposed in the lower jaw and matching spherical washer disposed on the control assembly configured to allow large, indexed vertical variation in the clamping range.

A soaking-device is usable to soak a given body part of a user. The body part may be a face or a portion of the face of the user. The user may be a person or other animal. The soaking-device includes a vessel-subassembly. The vessel-subassembly includes a wettable-subassembly. The wettable-subassembly itself and / or interaction of the wettable-subassembly with a part of the vessel-subassembly, its outermost-shell, may not utilize screws or the like mechanical fasteners. The wettable-subassembly may include a neck-gasket for removable physical contact with a neck portion of the user. The wettable-subassembly is configured to hold a volume of an immersion-liquid for the soaking of the body part. Prior to use, the volume of the immersion-liquid may be heated or cooled. A breathing-apparatus may be used. A tower may be placed next to the wettable-subassembly to shine light into and / or to release bubbles into the immersion-liquid.

A floating joint and retainer connection device with pressure relief structure includes a hollow fixed retainer; an adaptor joint having an engaging end and a fitting end extended through the fixed retainer to an outer side thereof, and a buffering section located between the engaging and fitting ends; a slidable washer and a fixing element fitted on an outer surface of the fitting end to limit the adaptor joint from moving axially relative to the fixed retainer; an elastic element located between the fixed retainer and the slidable washer; a slidable spacer having an axially protruded section formed on one side; and a spring fitted around the buffering section with two ends pressed against another side of the abutting spacer and a shoulder portion on the adaptor joint. With the above pressure relief structure, the adaptor joint can stay at any radially displaced position relative to the fixed retainer.

The application discloses a rotary table type ultrasonic welding device, which comprises a rack, a rotary table, a supporting device and an ultrasonic welding device arranged on the periphery of the rotary table. The rotary table is rotatably installed on the rack. The rotary table is provided with supporting bolts protruding from the bottom surface of the rotary table. The supporting device is in abutment with the supporting bolts through liftable supporting pieces. When the ultrasonic welding device is pressed for welding, the mounting seat can be supported by the supporting device, so that the rotary table is prevented from being deformed due to the pressing. The rotary table is provided with a mounting seat. The mounting seat comprises a bottom plate installed by leveling screws. The rotary table and the mounting seat can be kept horizontal through the leveling screws. The mounting seat is further provided with elastic washers. The elastic compression of the elastic washers can ensure that the workpiece can keep the airtightness of welding even if the workpiece is slightly inclined when being pressed.

A washer liquid supply valve includes a valve body provided with an inflow hole and a discharge hole configured to allow a washer liquid to flow into and out of the valve body therethrough, a housing detachably combined with an upper part of the valve body, a coil assembly installed in the housing and configured to generate magnetic force when power is applied to the washer liquid supply valve, a core combined with the coil assembly while penetrating the coil assembly and magnetized by the magnetic force generated by the coil assembly, plunger installed in the core so as to be movable and configured to be moved upwards when power is applied to the washer liquid supply valve, and a spring interposed between the core and the plunger so as to elastically support the plunger towards the valve body.

The utility model discloses a fracturing wellhead water hammer wave tester, which relates to the technical field of petroleum physical exploration, and comprises a wellhead oil pipe buckle joint, a copper gasket, a pressure gauge and a connecting plug, the wellhead oil pipe buckle joint is connected with a wellhead; the copper gasket is arranged between the wellhead oil pipe buckling head and the pressure gauge and is used for sealing and buffering between the wellhead oil pipe buckling head and the pressure gauge; the pressure gauge is used for monitoring wellhead pressure changes in real time; the connecting plug is used for connecting the pressure gauge with an external data processing system. Based on the tester provided by the invention, the pressure change generated during underground fracturing can be accurately and reliably monitored.

A dishwasher comprises: a body; a tub; a door to open or close the tub; and input device; and an automatic detergent injection device to discharge a solid detergent toward the inside of the tub. The automatic detergent injection device comprises: a storage chamber in which a plurality of solid detergents is stored; a storage chamber sensor to sense solid detergent inside the storage chamber; an ejector to eject one of the multiple pieces of solid detergent out of the storage chamber; a seating portion; a seating portion sensor to sense the solid detergent seated on the seating portion; and at least one processor to control the ejector to eject the solid detergent from the storage chamber, and determine whether or not there is an error in discharging of the solid detergent based on the result of sensing by the storage chamber sensor and the seating portion sensor.

A hinge device includes a shaft that is pivotally supported by a bearing portion and is rotatable, a first torque application unit configured to apply a frictional force to a peripheral surface of the shaft by fitting the shaft to the first torque application unit, and a second torque application unit configured to apply a frictional force to the shaft in an axial direction. The second torque application unit includes a flange that is formed on the shaft and abuts onto one end of the bearing portion, and a nut that is screwed to a male screw portion of the shaft and is tightened to the other end of the bearing portion via washers and a disc.

A dishwasher comprises a tub, a door, and an automatic detergent dispenser disposed in the door. The automatic detergent dispenser includes a storage compartment in which a plurality of solid detergents is stacked. A length of a first side forming a cross-section perpendicular to a stacking direction of the plurality of solid detergents in the storage compartment is formed by a length that is at least 10% and not more than 30% greater than a length of a first side of the plurality of solid detergents corresponding to the first side of the cross-section. A length of a second side forming the cross-section of the storage compartment together with the first side is formed by a length that is at least 10% and not more than 30% greater than a length of a second side of the plurality of solid detergents corresponding to the second side of the cross-section.

The utility model relates to a seesaw type propeller hub structure which comprises a base, a propeller clamp and a propeller blade, a main shaft and an amplitude limiting shaft are arranged in the middle of the propeller clamp, the main shaft penetrates through the amplitude limiting shaft, a main propeller bolt is arranged between the propeller clamp and the propeller blade, a gasket is arranged on the outer wall of the main propeller bolt, a balance weight is arranged on the outer surface of the upper end of the propeller clamp, and a balance weight bolt is arranged in the middle of the balance weight. Paddle bushings are arranged in the middles of the paddles, nuts are in threaded connection with the outer walls of the main paddle bolts, cotter pins are arranged in the middles of the main paddle bolts, and power bolts are arranged at the bottom of the base. According to the utility model, the flapping amplitude relative to the rotor propeller shaft is reduced through the variable pitch-flapping coupling, the transient flapping and the steady flapping relative to the propeller shaft are reduced, the flapping function and the variable pitch function are integrated at one hinge point, the number of parts is reduced, and the overall structure is simplified; due to the fact that parts are reduced, the overall weight is lighter, manufacturing is easy, meanwhile, the number of movable parts is smaller, and the reliability and maintainability of a system can be improved.

An electrically conductive circuit has a distal end coupled to a catalytic converter of a vehicle. A sensor such as a voltage divider is coupled to a proximal end of this conductive circuit. The voltage divider senses when a resistance associated with the conductive circuit is altered, indicative of catalytic converter tampering. An alarm signal can then be sent to the vehicle horn or otherwise beneficially outputted to warn of the tampering. The conductive circuit preferably includes a length of nichrome wire having a substantial resistance. Reliable electrical connection and tampering avoidance can be provided at the distal end of the nichrome wire by utilizing an electrically conductive washer at the distal tip, covering the nichrome wire with high temperature insulating tape, overlying the tape with a pipe clamp and encapsulating the washer, distal end of the nichrome wire, insulating tape and pipe clamp with a high temperature bonding adhesive.

A conduit coupling assembly for joining together two metal conduits includes a first fitting having a first end opposite a second end, wherein the first end is threadably attached to the conduit, and a first washer attached to the second end of the first fitting, wherein the first washer is non-metallic. The coupling may further include a second fitting in abutment with the first washer, a nut surrounding the first fitting and the second fitting, and a second washer disposed between the nut and the second fitting, wherein the second washer is non-metallic.

The utility model discloses a high-pressure-resistance cable fireproof material blocking device, and belongs to the technical field of cable equipment. Comprising a top sealing cover and a bottom sealing cover, the top sealing cover and the bottom sealing cover are attached to each other, a threading hole for a cable to penetrate through is formed in the middle of the side, facing each other, of the top sealing cover and the bottom sealing cover, and a plurality of sealing washers are arranged on the inner rings of the side, facing each other, of the top sealing cover and the bottom sealing cover. A cable sleeve is inserted into an inlet of the threading hole; according to the utility model, the top sealing cover and the bottom sealing cover which are symmetrically arranged up and down are symmetrically sleeved on the surface of the cable and inserted into the hole groove of the partition plate between the cavities, so that the structural strength of the insertion end of the cable is increased, collapse caused by overweight of the cable is prevented, and the sealing effect is realized by matching with the sealing bayonet sockets in the top sealing cover and the bottom sealing cover.

A wheel assembly to be coupled to a hub of a vehicle may include an inner rim to be coupled to the hub of the vehicle, an outer rim surrounding the inner rim. A rigid cover ring may be coupled to the outer rim and extend radially inward toward the inner rim. Gas springs may be operatively coupled between the inner and outer rims to provide a gas suspension for relative movement between the inner and outer rims. Fastener assemblies fasten the rigid cover ring to the outer rim, fastening each gas spring to the outer rim, or fastening each gas spring to the outer rim. Each fastener assembly may include a fastener and a pair of indicator-lock washers carried by the fastener. Each indicator-lock washer may have respective sloped surfaces slidably engaging one another to permit relative rotation so that loosening from a fully tightened position exposes a gap.

The invention discloses a roller washing and drying all-in-one machine which comprises a box body. An outer cylinder and an inner cylinder; a drying device; a condensing disc; a condensation valve; the first temperature sensor is used for detecting the first air temperature Ta of the bottom of the outer cylinder; the second temperature sensor is used for detecting the temperature Tb of second air flowing back through the air return opening; the controller is configured to sequentially take n values of T according to a first preset time interval and record the values as T1, T2, T3,... Tn; the difference value Tz between the maximum value Tmax and the maximum value Tmin of the T in the second preset time period is calculated, when the difference value Tz does not exceed the preset temperature difference, the average value of the n T in the second preset time period is defined as T ', and the difference value Tm between the second air temperature and the first air temperature is sequentially calculated according to a second preset time interval; and when Tm-Tn 'is larger than or equal to Tx and Tb is larger than or equal to Ty, the drying mode is stopped, Tx is the first stop judging parameter, and Ty is the second stop judging parameter.

A wheel assembly to be coupled to a hub of a vehicle may include an inner rim to be coupled to the hub of the vehicle, an outer rim surrounding the inner rim, and gas springs operatively coupled between the inner and outer rims to provide a gas suspension for relative movement between the inner and outer rims. The wheel assembly may also include tread assemblies carried by the outer rim. Fastener assemblies may be configured to perform fastening at least one tread assembly to the outer rim, fastening each gas spring to the outer rim, or fastening each gas spring to the outer rim. Each fastener assembly may include a fastener, and a pair of indicator-lock washers carried by the fastener. Each indicator-lock washer may have respective sloped surfaces slidably engaging one another to permit relative rotation so that loosening from a fully tightened position exposes a gap therebetween.

The utility model relates to an efficient and environment-friendly machine-made fine sand production system which comprises a bar type feeder, a screen feed opening of the bar type feeder is connected to a linear vibrating screen I, and a screen feed opening of the bar type feeder is connected to a jaw crusher; a feed opening of the jaw crusher and an oversize feed opening of the linear vibrating screen I are connected to the intermediate crushing cone crusher, and a feed opening of the intermediate crushing cone crusher is connected to the linear vibrating screen II; screen discharge ports of the linear vibrating screen I and the linear vibrating screen II are connected to a trough type sand washer, a clean sand outlet of the trough type sand washer is connected to a rod mill, and a discharge port of the rod mill is connected to a high-frequency dewatering screen. A slurry outlet of the groove type sand washer and a slurry opening of the high-frequency dewatering screen are sequentially connected to a high-efficiency thickener and a plate-and-frame filter press. The dry-wet combined sand making process system is high in sand forming rate, quality indexes such as mud content, water content, grading and stone powder content of finished product sand can be well controlled in the sand making process, and the quality of finished product machine-made fine sand is improved.

The embodiment of the utility model relates to the technical field of unmanned aerial vehicles, and particularly discloses a propeller and an unmanned aerial vehicle, the propeller comprises a blade, a connecting assembly, a gasket and a propeller clamp assembly, the propeller clamp assembly comprises a base and a flapping seat, the flapping seat is rotatably connected with the base, the flapping seat is provided with a clamping groove, and the clamping groove is provided with a clamping groove. One end of the paddle is inserted into the clamping groove, the gasket is arranged between the side wall of the clamping groove and the paddle in a cushion mode, the gasket abuts against the side wall of the clamping groove and the paddle, the connecting assembly penetrates through one side of the waving base, the gasket and the paddle and then is fixed to the other side of the waving base, and the connecting assembly is fixed to the other side of the waving base. The paddle can rotate relative to the connecting assembly, and the waving seat can swing back and forth relative to the rotating plane of the paddle. Through the mode, the pressure applied to the gasket by the paddle can be reduced, so that the abrasion of the gasket is reduced, and the service life of the gasket is prolonged.

The invention discloses accelerated corrosion test detection equipment which comprises a cover plate, a basic platform plate, a test tank body, an Ag / Ag reference electrode, a platinum sheet counter electrode, a working electrode, a sealing block, a fixing clamp, a sealing washer, a bolt fastener, a control box, a control box switch, a power plug and a temperature regulation and control module, and the temperature regulation and control module comprises a display, a temperature regulator, a temperature sensor and a heating rod. According to the structural design, corrosion tests at different temperatures and under different corrosion solutions can be achieved, three-electrode electrochemical corrosion monitoring is achieved under the condition that the equipment structure and the corrosion environment do not need to be greatly changed, meanwhile, short-term acceleration tests are achieved, the actual corrosion environment is simulated, the actual service life of a sample is calculated in a fitting mode, and the application prospect is wide. Operation is convenient and fast, the test period is shortened, the test progress is accelerated, the test efficiency is improved, the test result is more accurate, simulation of the long-term variable-temperature corrosion environment can be effectively achieved, and reliability is higher.

A barbell includes a bar having opposed end portions, each having an annular slot extending around the end portion, and a pair of sleeve assemblies connected to the end portions. Each sleeve assembly includes a sleeve having an axial bore receiving one of the end portions of the bar and a connection assembly including a split ring having two semi-annular pieces received within the slot, a proximal washer positioned axially inward from the split ring and engaging an inward side of the split ring, a distal washer positioned outward from the split ring, the distal washer engaging an outward side of the split ring, an annular member around the split ring, radially retaining the semi-annular pieces within the slot, and a retaining member engaging the distal washer and the bore to retain the connection assembly in connection with the bar and the sleeve.

A lock tab washer for a pipe hanger includes a washer body; an edge tab defining a first section and a second section, wherein the first section extends from the washer body and the second section is bent relative to the first section in a first direction; and first, second, and third nut tabs extending from the washer body, wherein each of the first, second, and third nut tabs are bent relative to the washer body in a second direction opposite the first direction.

A cleat includes a base member with a base plate and two base member lugs. Each lug has a first inner diameter proximal to the base plate and a second, larger inner diameter distal from the base plate and each lug is threaded. A securing member has a top portion that connects two legs.Each leg is held within a lug by a screw and washer, the washer has a diameter that is greater than the first diameter and less than the second diameter. A spring within each lug urges the leg towards an extended position. A spring-loaded locking mechanism interfaced between the base plate and the top portion holds the top portion of the securing mechanism in a retracted position until an actuator of the spring-loaded latching mechanism is pressed, at which time, the top portion of the securing mechanism is released and moved into the extended position.

The utility model discloses an O-shaped seal ring automatic assembly equipment relates to mechanical automation equipment technical field, including work slide rail, transition temporary storage support claw, reclaiming and loading clamping jaw and assembly rack, transition temporary storage support claw includes mounting table and multi-foot support claw, mounting table is provided on the reclaiming station, multi-foot support claw is provided on mounting table, and the mounting table is provided with the mounting table. The multi-foot supporting claw comprises a plurality of supporting claws arranged at intervals in the circumferential direction, the material taking and charging clamping claw comprises a lifting hanging table and a multi-foot material taking claw, the lifting hanging table is movably hung on the working sliding rail, the multi-foot material taking claw is arranged on the lifting hanging table and comprises a plurality of outer hook claws arranged at intervals in the circumferential direction, and the outer hook claws are arranged on the lifting hanging table. The top connecting end of the outer hook claw is arranged on the lifting platform, and the bottom grabbing end of the supporting claw extends downwards and expands outwards in the radial direction. According to the automatic assembling equipment for the O-shaped sealing ring, the technical problem that in the prior art, the O-shaped sealing ring needs to be manually moved to a structure to be sealed, and consequently the assembling efficiency is low is solved.

A detergent dispenser (100; 700) for a ware washer (50) includes a container (102; 702), one or more hooks (104; 704), and a lid (106; 706). The container includes one or more walls (108a-108d; 708a-708d) defining an internal volume and defining an opening at a top of the container, and the opening can receive detergent into the internal volume of the container. The container includes a base (110; 710) connected to the one or more walls. The base defines an opening (124; 724) extending therethrough, where the opening can expose the internal volume to water from the ware washer to dissolve the detergent and dispense dissolved detergent into the ware washer. The one or more hooks are connected to the container and configured to secure the container to a rack (52) of the ware washer. The lid can be connected to the one or more walls of the container by a hinge (712).

A system, e.g., for connecting a tie bar or other suspension member to a magnetic device in a magnetic track brake device, includes a bolt, a washer, and a taper dowel. The bolt includes a shaft having a first end and a second end, and a head attached to the first end. The washer is configured to fit about the shaft. The taper dowel is configured to fit about the shaft. The second end of the bolt shaft is configured to fit into a first aperture in the magnetic device, and the taper dowel, disposed about the shaft, is configured to fit within a second aperture in the suspension member. The second aperture corresponds in shape to an outer peripheral surface of the taper dowel, for the bolt to connect the suspension member with the magnetic device.

The improved pneumatic actuator comprises a first shell and a second shell which are detachably assembled together, and an inner cavity is formed after the first shell and the second shell are assembled; the air tap is arranged on the first shell and partially extends into the inner cavity; the device further comprises a driving rod, the driving rod extends into the inner cavity from one side of the second shell, the part, located in the inner cavity, of the driving rod is provided with a piston, the side, facing the second shell, of the piston is provided with a spring, and at least one end of the spring is arranged on an adjusting gasket. A diaphragm is arranged on the side, facing the first shell, of the piston, a sealed air cavity is formed between the diaphragm and the first shell, and the inner end of the air nozzle is communicated to the air cavity. According to the improved pneumatic actuator, the main shell is of a two-half type detachable assembly structure, the main shell can be conveniently disassembled to replace and adjust the internal structure, springs with different elastic coefficients can be conveniently replaced, and therefore the improved pneumatic actuator can be better matched with different operation target working conditions of a supercharger.