Abstract: A wheeled carriage has an upright column with a laterally projecting and vertically adjustable arm thereon. The projecting end of the arm has a dove-tail connector thereon rotatably adjustable in a horizontal plane; a tubular feed screw support has a mating dove-tail part on its bottom side engageable with the connector. The end of the feed screw support has a second dove-tail connector thereon and rotatably adjustable in a vertical plane. A bracket attachable to the motor of an electric drill has a second mating dove-tail part engageable with the second connector with the shaft of the drill chuck aligned with the axis of the tubular support. Two spaced tubular chucks are mounted on opposite sides of the tubular support to receive and releasably lock anchor cables parallel to the drill. The dove-tail parts mating with the connectors have threaded recesses opening normally to connectors; and slots opening laterally and radially into the recesses.

Abstract: A pivot joint having a housing member with a pair of opposing coaxially aligned bores in communication with an elongated channel transverse to the bores. A cylindrical member extends across the channel and rotates within the bores. The cylindrical member is longitudinally split to form a pair of clamping sections having a double-D configuration. A passageway is formed through the cylindrical member transverse to its axis and spanning across the split to define opposing concave bearing surfaces for receiving an axially adjustable rod therethrough. A locking clamp extends into the housing for locking the clamp sections together in a desired rotational orientation within the bores, thereby securely clamping the rod in a desired angular orientation as well as in a desired axial extension.

Abstract: A rotatable coupling sleeve is disclosed which is movable axially along its support with movement of a shifter fork engaged with the coupling sleeve. The coupling sleeve has its portion contacting with the shifter fork and covered wear-resistive material having high self-lubricating antiwear properties.

Abstract: An articulated joint for an articulated vehicle. Upper and lower pivotal connections, each employing a ball and socket, allow pivoting of two vehicle sections about a vertical axis. The ball of the lower joint is attached to one section while the socket is attached to the other section of the vehicle. The socket and ball of the upper joint are attached to a support member free to move along a shaft in a transverse direction between two stops. The ball of the upper joint is free to move along a vertical shaft joined to the other section of the vehicle. The transverse shaft provides a bearing surface to transmit loads between the two vehicle sections. Seals along the support member prevent entrainment of dirt along the shaft and bearing. The stops are part of the structure attaching the transverse shaft to the vehicle.

Abstract: A chair having two rectangular side members with grooves therein, a folding seat the opposite sides of which slide vertically in said grooves, pivoting cross member supports for the seat, the upper ends of each carrying opposite sides of the seat and the lower ends of each being pivotably affixed to the side members, a folding back, and means pivotably connecting opposing upper extremities of the back to opposite side members and removably positioning the lower opposite extremities of the back at an angle to the vertical whereby the entire chair may be folded to a width approximating the sum of the least dimensions of the two side members.

Abstract: A pole attached to a hospital stretcher or the like for supporting an intravenous solution container. This pole has an improved collapsible construction attaching it to the stretcher so such pole does not interfere with any stretcher operation.

Abstract: A retaining clamp for an adjustable steering column of a motor vehicle comprises a bracket for mounting beneath the vehicle instrument panel, and a resilient seat member defining a seat for the column having two spaced apart arms extending towards the bracket and engaged between two bracket plates, the arms being tubular and formed with coaxial frusto-conical surfaces about an axis perpendicular to the steering column axis, each surface being engaged with a cooperating frusto-conical surface associated with a respective bracket plate.

Abstract: A lever mechanism including a lever which is pivotally mounted between its ends on a pivot shaft forming two lever arms. One of the lever arms is arranged to receive a force applied thereto and the other of the lever arms has an end portion arranged to transmit movement and force to a working element. The end portion has part-cylindrical surfaces which cooperate with part-cylindrical surfaces on oppositely located slide blocks. Each slide block has a planar slide surface which is parallel to a shaft of the part-cylindrical surfaces of the end portion. The planar surface of each slide block is arranged to slidably abut a planar surface on the working element. The slide blocks are non-rotatably connected to each other via their planar slide surfaces in parallel planes by means of dogging elements which are pivotally mounted on the shaft of the part-cylindrical surfaces of the end portion.

Abstract: An apparatus is provided for coupling a control device, which is adapted to rotate, to a stationary switch which is adapted to energize and control a machine. The coupling is made through a rotatable swivel which connects a freely rotatable table to a stationary support. The control device is mounted on the table and the switch is mounted on the stationary support. A ring is coupled to the control means and moves up and down in response to the control means. The ring is further coupled to the table and freely swivels and turns with the table. A U-shaped bracket is connected to the switch means and alternately contacts both the upper and lower surfaces of the ring as the ring moves up and down. The stationary switch means is thus switched from the first position to a second position providing a mechanism to control the machine from a rotating table without control hoses or cables becoming tangled and twisted.

Abstract: A surgical head clamp which comprises a framework on which a first head engaging pin member and a rotatable bracket are supported. The axis of the first pin member is the axis of rotation of the bracket. Spaced second and third head engaging pin members are mounted on the bracket and directed toward the first pin member. The first pin member can be advanced axially toward the bracket to cause the pin members to engage the head. The bracket can be locked in selected position and is releaseable to permit turning of the head about said axis without releasing the pin members from the head.

Abstract: A joint assembly is connected between two relatively movable spaced parts. The joint assembly comprises a housing and a stud to be connected to the parts. The stud is supported for rotation about its own axis relative to said housing, for free axial movement relative to said housing, and for universal pivotal movement about a point on its axis relative to said housing. A spherical bearing in a chamber in the housing has a central passage through which said stud extends. The passage in the bearing is defined by an inner surface which conforms to and engages the outer surface of the stud. A stop portion on the stud engages the bearing to limit movement of the stud axially in a direction tending to separate the stud and housing. The stud is freely movable in an unrestrained manner axially relative to the bearing between a first position in which the stop engages the bearing and a second position spaced from said bearing. Means is provided for holding the bearing against axial movement relative to the housing.

Abstract: A linkage, especially for the pedals of a skid-steered tractor vehicle for operating the boom arms and attachment carrier, which requires no machining or threaded couplings. The arrangement includes links made of flat bar stock. Pivotal connections between adjacent links are made by punched holes, pins and side connectors. Adjustment for linear travel is at the pedal or valve rather than in the linkage itself. Crossover in the linkage path is by a bridging link having an open slot with curved sides rocking on a flat sided pin whereby movement is transmitted laterally.

Abstract: Apparatus for orienting and securing a rod in a spatially adjusted position comprising a U-shaped element having opposed parallel branches and a bottom portion connecting the branches. At least two superposed plates are disposed between the branches and the plates have mating faces with grooves therein cooperatively defining a hole receiving a rod. A flange is detachably secured to the branches of the U-shaped element to hold the plates and rod between the branches. The top plate is connected to the flange for rotation about an axis parallel to the branches and the bottom plate is rotatable with respect to the U-shaped element about the same axis. As a consequence, the rod can be angularly rotated with the plates in a plane perpendicular to the branches.