Abstract: A sealing assembly, kit and method for rotatable shafts. The assembly includes a stationary seal member having an insert receiving opening dimensioned larger than a rotatable shaft, an insert member having an enlargeable shaft-receiving opening adapted to be mounted in the insert-receiving opening in the stationary seal member, and a rotatable seal member adapted to be mounted on the rotatable shaft to engage and cooperate with the insert member. The kit is similarly composed of the same elements but with a plurality of each such element having differing sizes to accommodate rotatable shafts of different dimensions.

Abstract: A device for testing the integrity and strength of a seal. The device includes a first enclosure member adapted to receive a pre-sealed package formed of two films joined together to form a continuous seal, the two films extending outwardly of the seal to define a marginal edge portion of the package. A second enclosure member adapted to cooperate with the first enclosure member upon demand is also provided to seal the marginal edge portion in spaced relation to the continuous seal of the pre-sealed package. The device also includes a fluid injection member adapted to cooperate with the first and second enclosure members by injecting a fluid between the two films after the marginal edge portion of the pre-sealed package has been sealed. An opening located outwardly of the continuous seal of the pre-sealed package and inwardly of the seal created by the first and second enclosure members is provided through which the fluid may be injected between the two films of the package.

Abstract: A rotary wing aircraft is disclosed and includes a fuselage, a gas turbine engine operated air compressor within the fuselage, and a jet nozzle driven rotor assembly situated over the fuselage and having a rotor axis about which the assembly rotates. The rotor assembly includes a generally hollow rotor hub and a plurality of generally hollow jet nozzle driven rotor blades extending radially outwardly of the rotor hub. The rotor hub defines air conduit means to the rotor blades. A section of at least one rotor blade comprises a foldable flexible air conduit for folding the rotor blade in a radial plane relative to the rotor hub. Releasable stabilizing means, including a droop stop, is disposed between the rotor hub and an outboard portion of the rotor blade beyond the flexible air conduit section, whereby the stabilizing means may be released and the blade folded in its radial plane with the flexible air conduit section acting as a hinge.

Abstract: A knockdown metal table having legs and a flanged top and including auxiliary components such as a drop leaf and modesty panel having attaching means which in assembly are clamped between the legs and the table flanges. A lift assembly including casters is attached to the legs and is adapted to be selectively actuated to move first one pair of casters and then the other into or out of engagement with a floor surface to permit rolling of the table over said floor surface or to rest the table on the floor surface in a desired position.

Abstract: A process for improving the photoelectric properties of a laminated charge image carrier. In the process, a coating composition is prepared containing an insulating material which is doped by admixing a sensitizer and a coating of the doped composition is applied to a substrate to form a doped insulating layer. A photoconductive layer containing the sensitizer is then applied to the doped insulating layer.

Abstract: A lamp shade assembly kit includes an assembly ring formed of flexible material into a closed loop, a hoop formed of rigid material and a cover member formed of flexible material into a continuous, open-ended configuration. The assembly ring has an enlarged hoop-receiving channel opening inwardly about the periphery thereof. The cover member is adapted to be secured to the assembly ring. The hoop can then be inserted into the enlarged channel in the assembly ring to give a selected shape to the assembly ring and cover member. With these features, the lamp shade assembly kit may be shipped and stored in knockdown condition and quickly assembled without tools in any of a wide variety of shapes and sizes with optional decorative trim selections.

Abstract: A lockable closure for a container having an annular lip advantageously has locking means whereby the closure can be releasably locked to the container. The closure has at least an annular portion adapted to be disposed in contact with a portion of the annular lip of the container, and preferably also an annular wall adapted to contact a portion of a wall of the container to provide a sealing engagement therewith. The locking means generally comprises shoulder means for lockingly engaging the annular lip of the container and bending means adjacent the shoulder means for deflecting the shoulder means about the annular lip of the container. The closure is useful with containers formed of various materials, for example, of both metal and molded plastic.

Abstract: A shelf including vertically spaced bars at the front thereof and horizontally spaced stringers connected to the bars and means for supporting and for joining shelves in end to end relation. The support and joining means consists of a simple sheet metal member and a bracket both of which are adapted to secure therebetween rods or stringers in clamping engagement.

Abstract: A one-piece bail for a container having an annular shoulder has a sleeve adapted to be placed about the container and abut the shoulder, first reinforcing means integral with the sleeve for reinforcing the sleeve, second reinforcing means for retaining the disposition between the sleeve and the first reinforcing means, tab means extending from approximately diametrically opposed portions of the first reinforcing means for providing areas of attachment, and a bail portion integral and pivotable with respect to the tab means normally disposed substantially concentrically with the first reinforcing means. The bail is independent of the manufacture of the container and is further independent of any interlocking action of the rim and closure of the container.

Abstract: A lampshade which is shipped and/or stored in a knock-down condition can be readily erected without tools into a shade which is as structurally sound as if manufactured in preassembled condition. The shade is formed of two ring members, one having a spider member affixed thereto; a plurality of rib members; a plurality of clamping members having means for releasably securing clamping member to a rib member and a ring member, and hence the latter to each other; and a lamp shade frame cover adapted to be placed about the other members in the assembled condition.

Abstract: A motor and roller support includes a reversible lock clutch mechanism having a housing including an annular portion having a plurality of alternately deep and shallow recesses and a spindle axially received in the housing and having at least one flexible pawl positioned to cooperate with the plurality of recesses of the housing, with the pawl being unflexed when radially aligned with any of the deep recesses of the housing, and being angularly flexed upon being positioned in any of the shallow recesses of the housing. Upon alignment of the pawl with any of the deep recesses of the housing, relative rotation between the housing and the spindle can be initiated in either direction. However, upon the pawl being positioned with its end residing in a shallow recess of the housing and abutting the recess surface, relative rotation between the housing and the spindle can be initiated in only one direction therefrom.

Abstract: A cuffed endotracheal tube and method designed for insertion of the tube through the mouth of a patient to provide a passage for artificial respiration. The device includes an elongated flexible air tube having proximal and distal end portions. A pair of enlargements encircle the tube intermediate the proximal and distal end portions. The lower of the enlargements is sized and shaped to fall short of fully occupying the cavity defined by the wall of the trachea and rests at or below the opening defined by the lower lateral surfaces of the larynx. The upper of the enlargements is sized and shaped to fully occupy the cavity defined by the wall of the pharynx and seals the opening defined by the superglottic structure of the glottis. At least the upper of the enlargements is an inelastic inflatable-deflatable cuff secured to the tube proximal to the lower of the enlargements. The device further includes separate inflation means for each cuff permitting the cuff to be inflated independently of any other cuff.

Abstract: A lockable closure for a container having a foldable annular wall advantageously has locking means whereby the closure can be releasably locked to the container. The closure has an annular bendable wall adapted to be disposed at least partially in contact with the annular wall of the container. The bendable wall has a reversely bent annular lip adapted to be disposed about the outer edge of the annular wall of the container. Upon the closure being disposed with its reversely bent annular lip disposed about the outer edge of the wall of the container, the bendable wall of the closure and its annular lip are deflectable with the foldable wall of the container to fold the bendable wall into and out of locking engagement with the foldable wall of the container. The closure is retained in either the locked or unlocked positions without additional forces or apparatus as it is substantially in a zero stress condition at these positions.

Abstract: A spare wheel carrier for vehicles has a channel type support member arranged to be mounted on a vehicle bumper. A channel type tire carrier member is pivotally mounted at its lower end on the support member, with the pivotal axis being offset from the longitudinal center line of the carrier member. The support member has an abutment member at one side and a latching mechanism at the other side. The latching mechanism when tightened urges the carrier member into engagement with the abutment to lock the carrier in stored position. The carrier member is rotatable in a vertical plane and is adapted to be lowered so that the tire mounting means on the carrier member may be moved into registration with a tire resting on the ground in a vertical position.

Abstract: A foldable wheelchair having shiftable driving wheels so arranged, that as the side frame members are folded to reduce the width of the chair, the wheels are controllably and automatically shifted to reduce the depth of the chair thereby effecting a reduction in the side area required to accommodate the chair.

Abstract: A food serving container including a base supporting a container bowl and a cover for the bowl. The bowl is supported in fixed position while the cover is pivotally supported so that it may be rocked alternately to open and closed positions. In open position the cover is underposed and when closed the cover is superposed in relation to the bowl.