A heavy duty container is formed from cut and scored paperboard sheet material and comprises first and second scored blanks each including main and side foldably connected panel elements with auxiliary panel elements foldably connected to each other. The auxiliary elements are foldable to position to define a tube with the side panel and having a double thickness wall therewith. The cut and scored blanks are placed and secured in position with respect to each other to define three tubes with the...

A new raw water strainer includes a body having a closed first end and an open second end and defining a chamber therebetween. The chamber has a central axis intersecting the first and second ends. An inlet is provided including an inlet passage in fluid communication with the chamber. An outlet, spaced apart from the inlet, is also provided and includes an outlet passage in fluid communication with the chamber. A cover is included which is sized and adapted to be secured to the body to close th...

This invention relates to a high efficiency transponder of the type which receives and decodes interrogation pulse pairs and transmits reply pulse pairs. Filler pulses (squitter) are transmitted to achieve a constant duty operation. Squitter is initiated by a local noise pulse generator, not be receiver noise. Therefor, the countdown due to dead-time following decoding of the squitter is eliminated and recognition of genuine interrogations is not inhibited.

An ink-jet-printer driver employs clustered-dot dither to generate binary image signals that represent an image that has been adjusted for the ink-duty limit that must be imposed to avoid bleeding on some print media. To impose the limit, a Bayer dither process (94) receives an input that represents the ratio of ink-limit-adjusted ink duty to unadjusted ink duty. A gating operation (96) permits an ink request only at those locations where both dither processes (92 and 94) indicate that an ink is...

A first frame is supported by wheels and a second frame is pivotally connected at one of its ends to the first frame on the axis of rotation of those wheels. Also secured to the first frame are a rotating horizontal-axis brush and other conventional features of a sweeper with vacuum. The free end of the second frame is supported by casters. Wedges are mounted at either side and on the top of the free end of the second frame. A threaded shaft is mounted on the first frame such that it passes over...

A heavy duty hydrostatic transmission having an input into a combined separable pump/motor driven through a shaft in the transmission housing and a "U" shaped double back space conserving gear reduction drive to the axle differential.

A heavy duty paperboard shipping container has a body formed from a pair of telescoping tubular elements wherein all but one of the walls of the container body are double-ply in thickness throughout their entire width, and wherein one wall is double-ply in thickness throughout the majority of its width and is triple-ply for a minority of its width adjacent one corner of the container body.

A duty cycle control apparatus for a traction motor or the like is provided which controls the mean voltage applied to an inductive load from a direct current source in response to an applied control signal. The apparatus includes a semiconductor controllable rectifier connected between the source and load, a control circuit for rendering the semiconductor controllable rectifier alternately conducting and nonconducting in accordance with a variable mark-to-space ratio, a unidirectionally conduct...

A conventional form of vehicle axle suspension comprises on each side of a vehicle a leaf spring pack and a shock absorber system. According to this invention the leaf spring pack of a conventional suspension is replaced by a single-leaf leaf spring and an air spring. The opposite ends of the single-leaf leaf spring are shackled to the existing shackle attachments and their vehicle frame mounts. Midway between its ends the single-leaf leaf spring is connected to the adjacent axle end by the exis...

This seat adjuster is useful interchangeably as either a right or left-hand unit, thus eliminating the necessity for providing two slightly different units to form a pair. The latch in each unit is of elongated form and slidably guided at opposite ends in registering holes in the opposite side walls of an inverted channel bracket carried on the upper movable slide so as to operate crosswise relative to a lower fixed track channel in slots provided in registering relation in the opposite side wal...