Abstract: The cross-arms (10) for electricity or telephone lines (13) are mounted on poles (11) by mounting brackets (12) so that the upper faces (17, 18) of the cross-arms (10) are inclined downwardly at approximately 45.degree. to the horizontal. The lines (13) are carried by insulators (14) whose bases (15) are bolted, screwed or clamped to the cross-arm (10). The cross-arms (10) are supported in substantially V-shaped cradles mounted on, or formed integrally with base plates fixed to the poles (11).

Abstract: A brake shaft bearing assembly for an "S" cam type brake shaft has pairs of needle rollers which bear on the brake shaft and which run in outer races fitted in a bearing housing on a vehicle. Each outer race is of stepped configuration to provide an abutment face locating it in the housing and is fitted with a dust seal assembly at its outer end. The bearing assembly is retained in the housing by a circlip fitted to the brake shaft.

Abstract: A notching tool for forming notches in ridge- or hip-capping for roofs, the notches being formed to match the profile of the roofing sheets.The tool has a base with a pair of spaced feet which engage the ribs on the roofing sheets to align the tool. A notching head on the base has a replaceable die and punch pair, one of which is fixed to support the capping while the other is manually or power-operated to provide a shearing-type cutting action between the die and punch to cut the notches. Adjustable guides on the notching head support the capping for angular alignment between the capping and the notching head and for adjustment of the depth of the notch. The notching head may be pivotally and/or rotatably mounted on the base and the die and punch may be reversible.