Abstract: A unique configuration for a torque tube assembly associated with a disk type brake comprises separable and replaceable keys and a separable and replaceable brake disk backplate. The keys are mounted in anti-rotation slots at the inboard and outboard ends of the torque tube and bolted to the barrel portion of the torque tube and are characterized by a radial extension that supports the separable backplate. The torque tube is a formed wrought metal tube that is mounted to the stationary portion of the brake housing via bolts that thread into the inboard end of the keys. In this configuration, the occurrence of a defective key and/or backplate does not require replacement of the total torque tube assembly.

Abstract: A key device for locking an element to a shaft for rotation therewith includes a key-engaging surface on the shaft which is provided with first and second opposite ends and angles radially inwardly toward the shaft axis. The first end of the key-engaging surface is located at the shaft periphery, and the shaft is provided with a radially extending shoulder at the second end of the key-engaging surface. An element to be secured to the shaft has a shaft-receiving opening which receives that portion of the shaft having the key-engaging surface. The element is provided with an outer side and a radially extending keyway which opens through the shaft-receiving opening in registry with the key-receiving surface. The keyway is provided with a rear cam surface which extends angularly from the outer side of said element at a point radially spaced outwardly from the shaft-receiving opening to the shoulder on the shaft.

Abstract: A key that is in operative engagement between a keyway in a vertical shaft and a keyway in a driven member, such as the hub of a sprocket, is bent at its lower end to prevent the drive member from sliding downwardly out of engagement with the key.

Abstract: A construction for locking the hub of a gear or other means to a shaft. The shaft is cylindrical but is cut away to form a flat surface parallel to the axis of the hub. A wedge has a portion which fills the cavity between the cylindrical inside surface of the hub and the flat surface on the shaft. An integral lug portion of the wedge extends radially outwardly into a slot in the hub so as to prevent the hub from turning with respect to the wedge. The wedge is prevented from turning with respect to the shaft by its flat bottom surface which is coextensive with the flat surface on the shaft. That provides a driving relationship between the hub and the shaft. The driving relationship between the wedge and the hub is through side surfaces of the cavity in the hub and the lug portion of the wedge.

Abstract: An eccentric shaft particularly for driving a large reciprocating pump, and a method of making the shaft. The shaft includes an elongated cylindrical body, a plurality of small eccentric discs uniformly spaced along the length of the body, and optionally one or more concentric gear flanges, all formed as a single integral forging. Relatively large eccentric discs are shrink-fitted and keyed to the small eccentric discs.

Abstract: A farm machine coupling utilizes a wedge having an internally threaded bore formed therein for accommodating a bolt threadedly coupled in a coupling member of a shank affixed to a farm machine. When the coupling end of an agricultural attachment for performing an agricultural task is positioned on the free end of the shank and the wedge is positioned in the rectangular sleeve type coupling end next-adjacent the shank and the bolt coupled in the coupling member is threadedly coupled in the wedge, the attachment is removably tightenable on the shank via the bolt and the wedge.

Abstract: A work holder including a pusher or feed tube for an automatic machine tool, such as an automatic screw machine, with the work holder including a stock aligning and/or supporting bushing or collar member having a stock receiving opening therethrough with wedge block means coacting with the collar for selectively locking the collar in predetermined rotational position at the stock entry end of the feed tube. The locking arrangement provides for effective and rapid locking and unlocking of the collar to the feed tube, and permits ready changing or replacement of the collar member, thereby providing for rapid interchange for different sizes and/or cross sectional configurations of stock material to be fed into the feed tube.

Abstract: A releasable hub-shaft connection mechanism for transmitting strong torques has a shaft, a hub surrounding the shaft, and at least one bore that penetrates the shaft and the hub. The bore turns into a recess in the region of one of the front faces of the hub and has an axis parallel to the axis of the shaft. An eccentric clamping bolt is inserted in the bore and has an eccentric head portion which is rotatable into a clamping position relative to an engaging face of the recess.

Abstract: A shearing or shredding construction incorporating a revolvable shaft that is grooved for the reception of a series of mutually-spaced blades, and wherein keys accurately and positively position such blades, such structure being provided with close tolerance bearings for severely restricting if not eliminating a shifting of the rotor shaft along its axis.

Abstract: An improved variable speed pulley for adjusting the drive ratio between two shafts interconnected through two pulleys and a V-belt. The variable speed pulley has a hub which is attached through to one shaft with a collet. A number of keys of generally square cross sections with two opposed chamfered corners are located at each end of the hub in V-shaped axially directed keyways spaced around the periphery of the hub and in correspondingly spaced V-shaped keyways around interior openings through each of two sheave halves to permit axial movement of the sheave halves on the hub. Bushings retain the four keys within each sheave half. The bushings and the keys are of a compliant material to prevent fretting corrosion. The keys engage the bushings to prevent the bushings from rotating with respect to the sheave half and hub. A helical spring located within a spring housing is compressed between each sheave half and an adjacent one of two retainer rings located in grooves near each end of the hub.

Abstract: A lockable wedge for securing heavy objects in place is disclosed. The wedge has typically a thin forward edge or face tapering to a thick rear edge or face with a longitudinally grooved, inclined surface connecting the forward edge to the upper junction of the rear edge and inclined surface. A substantially vertical tubular hole located near the rear edge communicates with said longitudinal groove. A stiff, bendable rod member shaped to have one end positioned in said hole and the remainder of the rod disposed within said groove and extending to a point near or beyond the forward edge of the wedge forms the locking element of the wedge. The wedge locks in place by having the wedge positioned such that the forward edge of the wedge extends beyond a vertical surface of the wedged object so that the forward end of the rod member may be bent into an upright position to prevent the wedge from being dislodged rearwardly.