Abstract: A method of cold forming a capped cylinder with geometrically spaced torsional engagement radial projections on an exterior side of the capped cylinder is provided. The method includes the step of striking a generally flat blank to form a drawn part having a first capped portion and a second cylindrical portion adjacent an open end of the capped cylinder, placing the drawn part with the capped portion into a die with a cylindrical cavity portion having a first diameter with radial projections extending to a second diameter greater than said first diameter; inserting into the drawn part open end a mandrel, and rotating said mandrel with respect to the drawn part to plastically deform the drawn part cylindrical portion radially outward into the die cylindrical portion to cold form the radial projections on the exterior side of the second cylindrical portion of the capped cylinder.

Abstract: The modular grill for vehicles such as trucks includes an elongated screen of generally rectangular configuration, with the longest dimension extending horizontally and with the screen having inner and outer surfaces. A plurality of vertically spaced elongated tubular bars are provided which extend horizontally across the screen in surface-to-surface contact with the outer surface of the screen. A plurality of vertically spaced straps are provided, one for each tubular bar, with the straps being in surface-to-surface contact with the inner surface of the screen. Fastening structure extend through the straps, screen and tubular bars for retaining the bars on the screen. A roll forming method is disclosed for making the tubular bar with an integral rolled locking system which extends the entire length thereof and holds the bar in tension. The bar is preferably sweep along its longitudinal axis to create a curvature consistent with modern automotive designs.

Abstract: The invention pertains to a fan blade and a method for making a fan blade wherein the stresses within the blade material are substantially constant throughout the length of the blade and the unique construction of the blade reduces the concentration of loading on the blade material. Preferably, the blade is molded of a synthetic plastic material and includes a ribbed structure locating material offset from the concave convex configuration of the blade air flow portion such that the section modulus of blade sections from the air flow portion toward the root portion increases by increasing the distance of the blade material from the neutral bending axis in such a manner that no abrupt changes occur and the stresses imposed upon the blade material throughout its length are substantially constant.

Abstract: A knife for dispensing anhydrous material within the subsoil consisting of a configured body of cast metal, the lower end defining a sacrificial mass providing the knife with excellent wear characteristics. A dispensing tube is cast within the body having orifices protected from plugging and a soil replacement and compacting element is homogeneously defined on the rear portion of the knife body immediately replacing the displaced soil to close the formed slit and retain the dispensed material.

Abstract: The invention pertains to a piston for use in vehicle automatic transmissions and the method of making the same. An automatic transmission piston is of an annular configuration having a radial pressure face and an axially extending flange which includes an outer periphery in which a seal receiving groove is defined. The invention produces the piston from a sheet metal stamping blank and the blank flange is of a greater axial dimension than that of the flange after forming.

Abstract: A radiator cooling fan assembly is disclosed for use in trucks and other large vehicles. The heavy duty assembly includes a pair of hubs having radially extending arms with blades extending between aligned pairs of hub arms. The arms of one hub are substantially shorter than the arms of the other hub. In addition, the either hub may include either an enlarged aperture in its central portion or webbing between its arms or both.

Abstract: An improved automotive shock absorber assembly comprises a housing containing a fluid, a shaft extending axially into the housing, a piston head connected to the shaft within the housing, a volute spring cooperating with the shaft and piston head and adapted to compress in the fluid when the shaft is subjected to axial loads, means for sealing the housing to prevent the leakage of liquid therefrom, and means for maintaining the shaft in axial alignment within the housing when the shaft is subjected to off-axis loads.

Abstract: In a textile beam consisting of a pair of heads threaded onto the ends of a cylindrical barrel, relative rotation between a head and the barrel is restrained by providing on the head a plurality of screws which extend parallel to the axis of the barrel and engage threads on the head, and which are turnable into abutment with a thrust ring carried by the barrel, thereby creating an axial separating force between the head and the barrel which increases the friction in the threads connecting these two parts together.

Abstract: The present invention provides a method and apparatus for controlling selectively the sliver feeding rates of the carding mechanisms of a multi-feed high pile fabric circular knitting machine, whereby the sliver feeding rates harmonize continuously with the fabric pattern for which the machine has been programmed. The selected pattern is incorporated into the fabric during knitting by electronically controlled needle selection. The knitting pattern data is stored in digital form in a computer type memory, such as a magnetic disc, tape or drum, or equivalent digital data storage means. The rate of sliver feed at each sliver feeding station is determined continuously during knitting, and adjusted as required, by the pattern data controlling the needle selection at that particular station, to ensure that the sliver input to the machine harmonizes with the demand of the needles for sliver fibers in accordance with the knitting pattern selected.

Abstract: A circular knitting machine comprises a rotatable knitting needle cylinder which carries a plurality of knitting needles through knitting stations. A needle-moving jack is pivotally connected with each of the knitting needles and is movable in a needle-raising stroke and a needle-lowering stroke to effect needle raising and lowering, respectively. Each of the needle-moving jacks has a butt thereon which is received in a cam track which operates to effect the raising and lowering of the needle-moving jack. A mechanism is provided for controlling the operation of each knitting needle as it progresses through the stations. The mechanism specifically effects pivoting of the needle-moving jack so that the butt thereon is removed from the cam track. The means which effects the pivoting movement of each needle-moving jack comprises a movable selector jack which cooperates with the needle-moving jack and effects the pivoting movement of the needle-moving jack in response to actuation of electromagnetic means.

Abstract: A control for a circular knitting machine having a magnetic disc memory for storing data descriptive of a pattern to be knitted, position indicating means for indicating the rotational position of the knitting machine, electronic circuitry for retrieving segments of data from the magnetic disc memory as needed, and electromagnetic actuators for steering the knitting meedles to knit or non-knit positions in accordance with the retrieved data.