Abstract: A wheel and brake assembly (10) having a torque bar (24) supported at a mid-span location. The torque bar (24) can be pre-loaded at a mid-span location. The pre-load can be effected by a spacer block (150) that is interposed between the wheel well and the torque bar (24). The method and device of the present invention can be used with existing wheel and brake assemblies. The spacer block can be a two-part spacer block.

Abstract: A wheel and brake assembly (10) having a torque bar (24) supported at a mid-span location. The torque bar (24) can be pre-loaded at a mid-span location. The pre-load can be effected by a spacer block (150) that is interposed between the wheel well and the torque bar (24). The method and device of the present invention can be used with existing wheel and brake assemblies. The spacer block can be a two-part spacer block.

Abstract: Rotary valve lever apparatus having removable shaft adaptor inserts are described. An example lever apparatus includes a lever arm to rotatably mount to a stem of an actuator. The lever apparatus also includes a first opening having a first splined inner surface to receive a splined shaft, and a second opening adjacent the first opening and having a second splined inner surface to receive at least a portion of an insert member having a splined outer surface.

Abstract: According to the invention, waste materials containing amido-carboxylic acid esters, which are generated during the preparation of phenyl ester salts, can be converted into amido-carboxylic acids. The recovered amido-carboxylic acid is then useful in the preparation of additional phenyl ester salt by the original preparation process or other processes known in the art. The process of the invention combines a waste material containing amido-carboxylic acid esters with an aqueous solution of a strong acid having a pH less than about 1 to form a mixture. The process heats the mixture to a temperature of at least 90° C. and maintains the mixture at that temperature for a time sufficient to hydrolyze the amido-carboxylic acid esters to amido-carboxylic acids. Sufficient base is the added to adjust the pH of the mixture to greater than about 2. The mixture is then maintained at a temperature of at least 80° C.

Abstract: According to the invention, waste materials containing amido-carboxylic acid esters, which are generated during the preparation of phenyl ester salts, can be converted into amido-carboxylic acids. The recovered amido-carboxylic acid is then useful in the preparation of additional phenyl ester salt by the original preparation process or other processes known in the art. The process of the invention combines a waste material containing amido-carboxylic acid esters with an aqueous solution of a strong acid having a pH less than about 1 to form a mixture. The process heats the mixture to a temperature of at least 90° C. and maintains the mixture at that temperature for a time sufficient to hydrolyze the amido-carboxylic acid esters to amido-carboxylic acids. Sufficient base is the added to adjust the pH of the mixture to greater than about 2. The mixture is then maintained at a temperature of at least 80° C.

Abstract: A variable capacity compressor in which each compression chamber has a reexpansion chamber the volume of which is selectively controlled by pressurized lubricant.

Abstract: A saw carrier assembly has a loop of saw chain and a powered sprocket to drive the saw chain. The assembly also has a saw chain journalling structure having a rotatable circular periphery cooperating with the saw chain to mount the chain to rotate therewith to reduce friction and to resist sawing forces. The saw journalling structure and sprocket cooperate with a saw support structure so that the chain saw extends as a loop around the sprocket and journalling structure. The journalling structure has a thickness less than the kerf produced by the saw to permit a portion of the saw journalling structure to pass into the kerf with negligible interference therewith. This enables a tree to be cut using a saw journalling structure of slightly less diameter than diameter of the tree where it is cut, and reduces frictional losses normally associated with a fixed chain saw support bar.