This invention pertains to an improved slack-free coupler for joining the corner fittings of freight containers to form a rigid connection, with the coupler carrying all the forces between the joined containers. The tension member of the coupler is of unitary construction, and the associated collars around it are wedged against the container fittings by means of a screw driven wedge-shaped yoke to maintain a tight fit between the containers despite the tolerance of spacing of adjacent container ...

A core drill designed to insure a core will be generated sufficiently smaller in diameter than the normal inside diameter of the drill, and therefore a free or loose core, to assure easy removal or drop out of the core from the drill. This is accomplished by providing a drill of any predetermined outer diameter and an inner bore providing a smaller inner diameter having longitudinal walls parallel with but offset relative to the longitudinal walls of the outer diameter, therefore, in operation, ...

A panel system is disclosed for partitioning a room area and releasably supporting selected articles of furniture in which the panels are provided with cooperating grooves and male locking elements in their outer edges and slotted top and bottom junction plates are releasably inserted into locking engagement with the top and bottom grooves, respectively, to position connected panels in closely spaced, edge-to-edge relation to one another. A spline is releasably inserted in adjacent vertical groo...

A rotary coupling for connecting a driven part to a source of power transmits power in one direction only and permits the driven part to free wheel when the speed of the output member of the coupling is greater than that of the input member. The coupling includes an input member in the form of a shaft, and an output member and a coupling member both mounted on the input shaft and having co-engageable sets of axially facing, radially extending clutch teeth. A helical spline connected between the ...

A free abrasive machine in which the rotary back up wheel has the gaps between adjacent sectors thereof which are nonlinear. The rings resting on the wheel have external teeth and a pinion gear on the axis of the wheel meshes with the teeth. A tooth type coupling between the back up wheel and the pinion gear selectively couples the pinion gear selectively couples the pinion gear to the wheel or releases it therefrom.

A stationary elongated armature body and a permanent magnet are connected in a magnetic circuit. A guide plate of non-magnetic material is interposed between the armature body and the magnet. The guide plate is adjacent the armature body and has a recess formed therethrough and a galvanomagnetic resistor is embedded in the recess. The guide plate guides the magnet in gliding relation.

A torque limiting device for stopping a rotating operating shaft when a resisting torque exerted thereon exceeds a predetermined value. A housing having a stationary bowl mounted therein is provided; the operating shaft is mounted for rotation in the housing and extends through a tubular element which has a pinion wheel thereon operatively connected to an actuator device. An annular member is provided at one end of the tubular element and a plurality of rollers are arranged in the annular member...

A flagpole having a pulley at its top is provided with a tube in surrounding relation therewith. Swivels are located at the top and bottom of the tube and rotatably support said tube with a flag being secured to the tube. A halyard is secured to the upper swivel, passes over the pulley, descends through the tube and is then secured to the lower swivel. Since the halyard is received within the tube the flag cannot become entangled therewith and when wind is directed at the flag the flag and tube ...

The invention relates to stopping device for disconnecting two shafts, which comprises input drive means, an output driven shaft, displaceable wedging cam means releasably coupling said input drive means to said output driven shaft, means to displace said wedging cam means thereby to release said input drive means and said output driven shaft, means sensitive to the torque resisting rotation of said output driven shaft, said torque sensitive means being associated with said displacing means wher...

A noise-free electrical device such as a potentiometer which includes a frame having an electrical resistance element mounted thereon. A contact is mounted from the frame for movement relative to the resistance element and an aluminum silicate compound is disposed on the resistance element for reducing the electrical noise between such contact and the resistance element when the contact is moved relative to the resistance element.