An apparatus for blocking rotation of a wheel (30) relative to a frame (12) of a mobility aid (10) includes a spur gear (32) rotatable with the wheel, and a sector gear (66) mounted on the frame adjacent the spur gear. The sector gear is movable into engagement with the spur gear to block rotation of the wheel. An actuator (42) is provided for actuating the sector gear.

An apparatus and method for determining the end of a service step and the duration of a brine/slow rinse step in a water conditioner having a bed of ion-exchange material. A sensor probe and a reference probe are positioned i n the bed of ion-exchange material vertically displaced from each other. Voltage from each of the probes are monitored over a plurality of time intervals. When th e percent i...

An electrochemical gas sensor which comprises an electrode assembly, includi ng a catalytic sensing electrode and a counter electrode, mounted inside a housin g provided with at least one gas entrance, a reservoir for containing electrolyte in use, a compressible wick for supplying the electrode assembly with electrolyte an d a wick compression component. A first end of the wick extends into the r...

A windscreen wiper device comprising at least one yoke which is attached to a carrier in such a manner as to be capable of pivotating movement about a first pivot axis, wherein both said carrier and said yoke have a substantially U-shaped cross-section at the location of their interconnection, said windscreen wiper device further comprising a oscillating arm pivotally connected to said carrier abo...

A translucent polycrystalline material suitable for use in ceramic discharge vessels for metal halide lamps is produced by sintering an alumina powder doped with a MgO sintering aid in a nitrogen atmosphere containing a partial pressure of a vapor phase carbon- containing species. The sintered polycrystalline alumina has a grain boundary phase containing aluminum, oxygen and nitrogen. The formatio...

Compositions and methods for deactivating articles contaminated with nanobacteria, generally comprise a dispersant and/or a dissolution agent, and a deactivator. The methods and compositions of the invention are advantageously utilized to decontaminate and/or sterilize various articles such as medical and manufacturing devices or surfaces.

A slider for opening and closing first and second longitudinally elongate closure members including a body with at least one sidewall that defines a channel, side member articulably attached to the sidewall, wherein the side member is laterally displaceable about a hinge. Additionally, an engagement member is attached to the side member. Th e engagement member extends across at least one of the cl...

Vertical fill and form bags fabricated from flexible packaging film are provided with at least one transverse seal at an oblique angle. Upon opening , the oblique angled seal provides a natural use easy pour dispensing feature. The bag is intuitively and ergonomically easy to use to facilitate controlled pourin g without spilling. The bag are especially useful for bulk particulate contents especia...

The device for the loading of shock-sensitive items such as fruit onto two conveyors (8,9) is constructed with a collecting device which has a first (3) and a second (4) longitudinal trough which extend parallel to one another. The longitudinal troughs for the transfer of the items collected in them in the raised position onto the conveyors located below them in the vertical dimension are installe...

Process for the production of jewels, constituted by a substrate, that is mineral, metallic, glassy or plastic and high-resistant to temperature, whereon is deposited at least a layer of mineral or metallic material, characterised in that it comprises the following subsequent steps: A. degreasing of the substrate by means of ultrasounds; B. positioning the substrate on a support or housing inside ...

Coiler for wire and metal bars, of the mandrel type with vertical axis involving a base flange (4) for the support of the coil base and mandrel sectors (6) hinged at the base (41), which are able to be moved on the upper part by a coiler cylindrical shape with a collapsed conical shape of spool extraction and corresponding upper flange sectors (7) hinged on the upper part (10), moveable in concomi...