The invention is a safety mechanism for an air-powered tool. The mechanism senses the position of the tool's implement retainer and disables the air flow to the tool's motor if the retainer is not in its locked position. The mechanism employs a pushrod that has one end adapted to contact a rear surface of the retainer when the retainer is in its lock position. The other end of the pushrod is adapt...

An elongate peripherally defined ampule having a handle-like reservoir structurally communicating with a medial articulating element which interconnects an elongate spout to define an enclosed containment chamber. The ampule is formed of resiliently deformable material to allow dispersement of contents by manual deformation of the ampule structure and to allow accurate placement of expressed conte...

A restraining and protection device for the protection and the restraint of neckstrap-suspended equipment used in the field, comprising a flexible waterproof cover 10 of sufficient size to envelope most surfaces of the equipment. Attached to or part of the cover 10 is a length of elastomeric material 20 running along the edge of the cover 10. Attached to or associated with the edge of the cover ar...

Apparatus and method for cracking a connecting rod comprises long and short semi circular dies. The dies include self-contained means for biasing their flat surfaces together to enable them to be inserted through the connecting rod bore. The long die is supported on both sides of the connecting rod. The connecting rod bore initially contacts only the long die. A force generating tool passes throug...

A rotor for an impact crusher which has rotor plates distributed along the length of a rotor shaft and secured to the shaft. Aligned, open, recessed cavities in multiple rotor plates receive a backing bar spanning the plates and the bar is secured to the plates. A removable hammer bar seats in the cavities and rests against the backing bar. Wedges held in place by retainers hook the hammer bar in ...

The invention disclosed here is a wire reel that is designed to be used in connection with an automated wire handling system. The reel has a generally planar stiffback, and a circular flange that is releasably connected to the stiffback. The stiffback and flange together define a circular winding space for coiling a wire onto the reel. The stiffback also carries two, spaced-apart clamps which are ...

The boundary layer of a fluid travelling in a mean-flow direction relative to a surface of a wall of a body is controlled by generating in a near-wall region of the flow a magnetic field &upbar& B having flux lines parallel to the surface of the wall and an electric current density &upbar& J traversing the magnetic flux lines in the fluid. An electrolyte or other conductivity-enhancing material ...

A wrist and forearm support apparatus for use at a desk or table to prevent overuse of the forearm muscles and to prevent nerve compression at the wrist of individuals performing typing or other keying activities. The wrist and forearm support apparatus comprises a cushioned wrist support member having a pair of cushioned armrest members pivotably connected thereto for adjustment to angular positi...

A hydraulically damped multi-chamber hydraulic bushing is disclosed, which is capable of being loaded perpendicular to its axis. The bushing comprises two supporting sleeves which surround one another and are braced against each other by way of at least one spring element of an elastic material. The spring element at least partially surrounds the inner supporting sleeve, and at least two chambers-...

A post hole digger having a bracket plate, a first shaft assembly and a second shaft assembly, each shaft assembly with a first end and a second end. The first ends of the shaft assemblies are connected to the bracket plate. A pair of handles are pivotally attached to the first ends, and a pair of digging blades are pivotally attached to the second ends of the shaft assemblies. As the handles are ...

A conversion assembly for converting an in-line roller skate to an ice skate for use on ice. The roller skate is of a type having a boot with a sole and a frame structure mounted thereto. The frame structure includes two longitudinally extending, spaced apart parallel support members provided with at least three sets of transversely aligned bores longitudinally spaced apart thereon. At least three...

The present invention is a removably attachable vehicle body protection pad which is designed to be placed on the doors of a vehicle in a removable fashion when the vehicle is parked, so that the vehicle is protected when people in adjacent vehicles open their doors. The present invention provides a protection for the vehicle from being scratched or dented by other vehicles. The removably attachab...

A sunshade comprising a plurality of U-shaped bails, pivotally joined together at each end by a plastic joint. A fabric web ensheathes the bails and creates a shade-providing canopy when the bails are spread apart from each other in fan-like fashion. A framing bail frames a fabric sleeve and provides means for supporting the sunshade in an upright position. The sleeve non-mechanically engages the ...

The chair includes a movable seat and back that are configured to enhance the patient's comfort by providing lumbar support when the chair is in the recumbent position and by minimizing patient sliding within a moving chair. Chair movement is controlled by a microprocessor-based control system that includes sensing mechanisms for precisely monitoring the chair position. The sensing mechanisms are ...

A wheel of a roller skate includes a plurality of circumferentially spaced apart generally axially extending curvilinear paths. A speed skater, traveling a predominately circular course with such wheels properly aligned on such skates, is able to use air moving past the skater to increase skating speed. As air enters the curvilinear paths of the wheel the direction of air flow changes. In this man...

In the continuous conching of chocolate mass in a conche (10) it is important to ensure essentially constant contents of the conche (10). For this purpose, the infeed of starting material and/or the discharge of the conched chocolate mass is monitored, namely measured, especially by means of weighing. In response to the measurement results, the infeed or the discharge is controlled, especially by ...

PCT No. PCT/BR92/00002 Sec. 371 Date Oct. 7, 1992 Sec. 102(e) Date Oct. 7, 1992 PCT Filed Feb. 7, 1992 PCT Pub. No. WO92/14000 PCT Pub. Date Aug. 20, 1992.The invention refers to a base structure, particularly for tennis courts, comprising a top layer consisting of a solid microporous plate comprising a mixture from 50% to 98% fine clay and 2% to 50% cement, the thickness of the top layer being of...

Disclosed herein is a vacuum feeding apparatus for causing a working device such as a suction pad to communicate with a vacuum port so as to enable the working device to attract and hold a work or feed it to a desired position. In the vacuum feeding apparatus, components such as a valve section, a vacuum section, a filter section, a pressure detecting section, a manifold section, etc. are produced...

A maxillary dental arch form is disclosed which enables orientation with a maxillary cast without the use of an articulator, relator or other such instrument. The maxillary dental arch form is provided with incisal pappila and hamular notch engaging members which engage corresponding representations of the incisal pappila and left and right hamular notches within the maxillary cast of the patient'...

A mannequin head for use in make-up practice instead of a human body. The mannequin head has at least one human-face-like face section either on the rear or front surface thereof. With the single mannequin head of this invention, a variety of make-up practice can be done. With this single mannequin of this invention, the make-up practice can be effectively done and a user can have an economical be...