An upholstery spring comprises a steel spring wire made of a microalloyed steel and a color indicator arranged thereon at least in some regions, the microalloyed steel containing between 0.004 to 0.015 wt.-% of one or more alloy elements. The invention further relates to a method for producing an upholstery spring, a mattress or a piece of upholstered furniture having such an upholstery spring.

The present disclosure provides for a force breaker assembly. The assembly includes a housing having a first channel, a body within the housing and including an engagement surface. A second channel is formed in the body. A spring is positioned adjacent the body. A snap ring is positioned within the housing and about the body. When a load is applied to the engagement surface that is below a preset limit, the ring remains engaged within the first and second channel, retaining the body in an extended position. When a load is applied to the engagement surface that is at or above the preset limit, the ring is expanded out of the second channel and into the first channel or is compressed out of the first channel and into the second channel, such that the body is forced into a depressed position.

Example aspects relate to a shock absorber with a position sensor, and a method to produce it. The shock absorber comprises a first and second damper part, which are arranged movable relative to each other in a longitudinal direction L. A position sensor is arranged to detect the relative position of the first damper part to the second damper part, and comprises an index element on the first damper part as well as an electric detection circuit for detecting the position of the index element. A flexible sleeve is at least partially arranged around the first and/or the second damper part and fixed relative to the second damper part. To enable a particularly simple design, the detection circuit is attached to the flexible sleeve.

A shock absorber includes i) a hollow base defining an axial direction and having a first mounting portion, ii) an outer axial tube, having first and second longitudinal ends, and being coaxially mounted into the hollow base via its first longitudinal end so as to allow adjusting a distance of the second longitudinal end relative to the base; and iii) an inner axial tube slidably mounted into the outer axial tube therein; the inner axial tube having a second mounting portion. The hollow tube has an opening therein that defines a window to allow visualizing a part of the outer axial tube therethrough which includes the first longitudinal end thereof.

A crossbar assembly for facilitating isolation of a sensor assembly from vibration of a payload mounting system on a vehicle comprises an outer crossbar segment, an inner crossbar segment, and an isolator. The outer crossbar segment comprises a payload mount interface operable to mount to a payload mount, and an outer isolator interface operable to mount to an isolator. The inner crossbar segment comprises a structure interface to mount to a structure, and an inner isolator interface operable to mount to the isolator. The isolator can be supported by the outer and inner crossbar segments. The isolator comprises an elastomeric component operable to elastically deform in response to relative movement between the outer and inner crossbar segments. The isolator operates to partially decouple the outer crossbar segment from the inner crossbar segment and dampen vibrations propagating between the outer and inner crossbar segments.

A crossbar system for facilitating isolation of a sensor assembly from external vibrations of a support structure. The crossbar system comprises first and second crossbar assemblies and a payload mount, Each of the first and second crossbar assemblies comprises a crossbar segment and a slip plate damper. Each crossbar segment comprises a payload mount interface at a first end of the crossbar assembly and a first support structure interface at a second end of the crossbar assembly. Each slip plate damper is disposed about the crossbar segment and is slidably coupled to the crossbar segment to constrain movement in two lateral degrees of freedom and to facilitate movement in a longitudinal degree of freedom, Each slip plate damper comprises a second support structure interface at the second end of the crossbar assembly. The payload mount is coupled to the payload mount interfaces of the first and second crossbar assemblies.

A balancer abnormality detection system includes: a robot; a motor configured to operate the robot; a balancer provided in the robot and configured to generate assist torque which assists power of the motor with force generated by elastic bodies; and a controller configured to detect abnormality of the balancer by measuring a current value of the motor operated to keep a posture of the robot during standby of the robot and comparing the current value with a current command value of the motor necessary for keeping the posture of the robot.

Provided is a method of manufacturing a spring for inspecting the stress distribution of the spring under load. The method for manufacturing a spring (1) includes the steps of applying a load to the spring (1), measuring the stress of the spring (1) under the load, and releasing the load applied to the spring (1), the measuring the stress of the spring (1) being made by measuring the stress on the surface of the active part of the spring (1) using X-ray diffraction with the cosa method, and the method further including the step of determining whether the magnitude of the stress of the spring (1) meets a criterion.

An overload protection mechanism includes a first accommodating member, a second accommodating member, a force storage member, and an object. The second accommodating member is rotatably disposed on the first accommodating member. The force storage member is disposed between the first accommodating member and the second accommodating member. Opposite ends of the force storage member are connected to the first accommodating member and the second accommodating member. The object is connected to the second accommodating member. When an external force is exerted on the object and a torque generated by the external force is larger than a torque provided by the force storage member, the external force forces the object to drive the second accommodating member to rotate with respect to the first accommodating member.

Aircraft landing gear strut breakout friction values are used to correct measured strut pressure as related to the amount of weight supported; with the ability to generate and refine the breakout friction value database, and a farther ability to predict a future breakout friction correction value by trending historical measurements, as compared to recent measurements, as further compared to real-time breakout friction values. The system is used in monitoring, measuring, computing and displaying the weight and center of gravity for aircraft utilizing telescopic oleo landing gear struts. Pressure sensors, temperature sensors, humidity sensors, axle deflection sensors, accelerometers, inclinometers are mounted in relation to each of the landing gear struts to monitor, measure and record strut pressure as related to strut telescopic movement, rates of strut telescopic movement, axle deflection, current temperature, current relative humidity, vertical acceleration; experienced by landing gear struts, as the aircraft proceeds through typical ground and flight operations.