Abstract: A wire rack is mounted on the inner surface of a door of a cabinet at a suitable height, and a plastic bag with integral handle-loops is suspended from the rack without supporting the body of the bag. The wire rack comprises a main wire member and a wire bail which interconnects ends of the main wire member. The bail is used to store individual bags to be used, or a package of unused bags. The main member has tab-shaped protrusions formed by the sides of the main member, and the handle-loops are slipped around the tab-shaped protrusions so as to hold the bag in an open-mouthed material-receiving attitude.

Abstract: Disclosed is apparatus for temporarily supporting a cable which is to be removed from a pole while a replacement cable is being strung on the pole in the position formerly occupied by the cable being replaced. The apparatus includes (a) a first member which extends linearly along an axis and which contains a threaded bore adapted to receive and to be threadedly secured to the projecting end of a tie bolt which passes through the pole and a cable clamp; (b) two cable receiving members projecting from the first member perpendicularly to its axis, the two cable receiving members being spaced apart by a distance slightly greater than the diameter of the cable being replaced; and (c) cable retaining means for securely holding the cable being replaced between the two cable receiving members in position to be supported by the first member.

Abstract: A wall hanger is disclosed in which a bow tie arrangement having porous end portions is mounted on the back of a picture to be hung on a wall. The bow tie is made to adhere to the back of the picture by the penetration of adhesive through the porous end portions, thereby to give strength to the hanging system. In one embodiment the adhesive is applied through the porous end portion and onto the picture backing, with the adhesive applied separately. In another embodiment, a bow tie type hanger is made of preformed and stretched nylon. In a still further embodiment, the hanger includes two separated pad portions with a flexible member between the pad portions in which the flexible member is offset from the plane of the pads to permit engagement of a hook when the hanger is adhesively attached to the back of a picture.

Abstract: A sign standard in which flexible means for permitting resilient lateral displacement of the sign is mounted closely below the sign, and means for adjusting the height of the sign above the ground, or other surface or a base, is disclosed.

Abstract: A spring support device capable of large vertical displacement for supporting relatively light pipework, such as the purge pipes of a boiler in a power station. The device includes an articulated parallelogram linkage (6) comprising a first hinge (7) connected to a fixed point, a second hinge (8)connected to the load, and vertically opposite the first hinge, and two side hinges (9, 10) in the same horizontal plane. The two arms (11, 13) of the parallelogram linkage that pass through the first hinge have extensions (12, 14) projecting beyond the first hinge and bearing against a plate (3) which transmits force to a compression spring (2). The extensions (12, 14) are considerably shorter than the sides of the parallelogram linkage.

Abstract: Disclosed is a low cost flexural mechanism upon which tracking mirrors and the like used in optical systems may be mounted. The flexural mechanism is made from a single sheet of metal by placing a desired shape or pattern in the metal. The resulting shape is then formed into a base, mounting surface, and flex arms. The mechanism is stiff in directions other than rotation, has low noise, has low thermal sensitivity, and can be made in any practical size. The flexural mechanism can be designed to place the pivot axis at the center of gravity of the mass being rotated, even when the center of gravity is outside the flexural mechanism.

Abstract: Hanging devices for pictures and the like, comprising a pair of generally triangular shaped members, each member preferably having a generally right triangle configuration with a raised hypotenuse edge having an irregular or sawtooth edge surface. The triangular members are adapted for respective attachment proximate the top corners of a picture or the like, with the irregular edge facing generally downwardly so as to engage against a pair of spaced-apart nails or other projections attached to a wall. Picture leveling can be straightforwardly accomplished by a slight lateral positioning of the picture to permit selective engagement between the nails and the sawteeth along the respective edges.

Abstract: An extendable support is provided for selectively supporting a mailbox in either an extended or unextended position. The support generally comprises a hollow, elongated support member, and an extension arm which carries the mailbox and which is slidably extendable out of and retractable into the hollow interior of the support member. The extension arm includes a proximal pivotable mounting for mounting the mailbox into an extended position when the arm is slidably extended out of the interior of the support member and pivoted. The extension arm also includes a distal pivotal mounting for maintaining the mailbox in a horizontal orientation after the arm is slidably extended out of the hollow interior of the support member and pivoted.

Abstract: A rack for mounting a communication apparatus. The rack comprises a pair of right and left vertical side frames and a plurality of block-mounting plates for mounting at least one block which houses at least one printed board. The block-mounting plates are rectangular and are longitudinally disposed between the right and left vertical side frames. The at least one block is mounted on the front face of the block-mounting plates. The upper and lower portions of the block-mounting plates are folded frontward so as to form an upper reinforcing rim and a lower reinforcing rim. The right and left vertical side frames have an L-shaped horizontal cross section. The folded edges of the L-shaped right and left vertical side frames are arranged inward so as to face each other. The block-mounting plates have securing members along the left edge and the right edge thereof. The securing members project backward and have an L-shaped horizontal cross section.

Abstract: A seat adjustment mechanism for adjustably connecting a seat to a chair base is provided wherein a threaded spindle is secured to the seat and rotatably and axially movably received within a column member extending upwardly from the chair base. An adjusting nut is threadedly engaged with the spindle and supported within the column member by a bearing assembly, and which is upwardly urged by a compression spring such that the upper surface of the adjusting nut lockingly engages a downwardly facing engaging surface of a lock cap in the column member when the seat is unoccupied. By rotating the seat and the spindle secured thereto, vertical adjustment of the seat is provided. When the seat is occupied, the adjusting nut is moved downwardly by the spindle and against the bearing assembly to compress the spring and disengage the upper surface of the adjusting nut from the downwardly facing engaging surface. The seat and spindle then may be rotated without being vertically adjusted.

Abstract: A napkin holder consisting of a mass of material such as glass, marble, ceramic, plastic, wood, metal or metal alloy or other suitable rigid material which contains two perpendicularly intersecting shafts, one of which extends through the mass and opens onto opposite surfaces of the mass and the other of which intersects the first shaft at a mid-point in the length thereof and extends upwardly to open on an upper surface of the mass is disclosed. A cloth napkin can be inserted through the shafts and can readily be arranged in a wide choice of attractive configurations.

Abstract: In an exhaust system of an internal combustion engine installed on an automotive vehicle having a body structure wherein the exhaust system includes exhaust-system component units such as an exhaust pipe and an exhaust-cleaning catalytic converter, an exhaust unit support device for having the exhaust-system component units mounted on the vehicle body structure, comprising a first coupling member securely mounted on at least one of the exhaust-system component units, a second coupling member securely attached to the body structure, an elastic support member having a portion securely attached to the first coupling member and a portion securely attached to the second coupling member, and a vibration-damping block having a portion connected to the second coupling member and a portion connected to the vehicle body structure.

Abstract: A pipe fastener for securing pipes along walls, ceilings or the like, having top and bottom members each having two generally broad, flat sides extending at approximately forty-five degree angles from a middle portion and a base portion, respectively. The four sides have a plurality of spaced, parallel slots with the slots in the top member being selectively engageable with the corresponding slots in the bottom member, thus forming an adjustable enclosure for receiving a pipe. A set screw is provided in the bottom member and disposed perpendicular to the pipe for securing the pipe within the fastener, thus providing both initial and final adjustability features. The pipe fasteners have been designed for use with common attachment devices, such as beam clamps or toggle bolts, and the fasteners can be connected in series for hanging or securing additional pipes along the same route.

Abstract: A height adjustment control arrangement for adjusting the height of a chair seat relative to a chair base in an office chair, includes a lower mounting assembly, an upper mounting assembly vertically displaceable relative to the lower mounting assembly, and a user-operated adjusting assembly operatively connected to the lower and upper mounting assemblies.

Abstract: The disclosed invention is a plastic fastening device which can be easily manipulated into engagement with an apertured panel. The device includes a fastening means extending perpendicular from one side of a base. The fastening means has a generally hook-shaped configuration characterized by a trunk portion, a curved transition portion and a tip portion. The fastening device has a generally elongated stem which is used as a lever arm to move the fastening means from a skewed, partially engaged position with respect to the panel to a final fully engaged position.

Abstract: A collapsible stand for an upright vertical support is the subject of this invention. A U-shaped bracket holds a roller and is mounted on a telescoping stanchion by use of a set screw in the collar of the bracket. The stanchion is in turn supported by a stand, the base portion of which comprises three legs which are bolted to two horizontal plates positioned one above the other. The lower plate is larger than the upper plate and thereby determines the angle of disposition of the legs. The stand is collapsible by disengaging the legs from the plates and dismounting the bracket and roller assembly from the stanchion.

Abstract: A precision parallel translation system including a pair of tables or upper and lower tables movable parallel to and in directions perpendicular to each other, and a pair of drive means for rough movement each detachably connected to one of the tables to drive the respective table for movement a relatively long distance. Each table supports drive means for fine movement detachably connected to a base (which is the lower table in the case of the upper table) supporting the respective table. The table is moved a relatively long distance by the drive means for rough movement when rough movement is effected, to effect rough positioning of the table. Then the drive means for fine movement is secured to the base while detaching the drive means for rough movement from the table, to drive the table for fine movement to effect precision positioning of the table.

Abstract: An adjustment device for supporting and positioning an optical waveguide end portion, composed of: a supporting frame; a spring element supported by the frame for supporting the waveguide end portion; and device associated with the element for applying pressure thereto in two mutually orthogonal directions perpendicular to the axis of the waveguide end portion for positioning the waveguide end portion in a plane perpendicular to the waveguide end portion axis; wherein the spring element is an L-shaped angle piece having two arms meeting at a vertex, with the end of one arm remote from the vertex being fastened to the frame, and the end of the other arm remote from the vertex being arranged to support the waveguide end portion, and a respective one of the pressure applying devices acts on each one of the arms.

Abstract: This strut structure for suspending loads under aircraft comprises essentially a hollow beam comprising at least one element of compound material consisting mainly of mineral fibres embedded in a binder forming setting resin such as expoxide resin, this element extending throughout the length of the beam, and metal members joined to the compound material element or elements for rigidly connecting the beam to the aircraft and to the means from which the load is suspended under the aircraft.

Abstract: A pair of opposed laterally extendable chocks of a climbing aid frictionally engage facing surfaces of a crevice to preclude withdrawal from the crevice of a supported load bearing member. A release located on the load bearing member on actuation retracts the chocks to accommodate withdrawal of the climbing aid from within the crevice.