Roof Sprocket Definition

Origin unknown.

Roof sprocket definition.

When re roofing where there is a sprocket always use the same type of roof covering as used previously as it will have been chosen wisely. Sprocket nomenclatures provide the chain pitch written to the left of the hub style code letter followed by the number of teeth in the sprocket. Sprockets are used in bicycles. If the sprocket is to be multiple strand the prefix code letter is added to the beginning of the part number.

A sprocket or sprocket wheel is a profiled wheel with teeth or cogs that mesh with a chain track or other perforated or indented material. Definition of roof slope. The sprocket is the last little kick at the bottom of a roof often on a gambrel roof. A toothed wheel engaging with a conveyor or power chain.

Because the minimum recommended roof pitch for a plain tiled roof is 35 degrees 40 for hand made roof tiles the general roof pitch needs to be greater to ensure that the bellcast is at least at the minimum. Any of various toothlike projections arranged on a wheel rim to engage the links of a chain. Avoid where possible a sprocket formed on a new roof. One of many points that stick up on the rim of a wheel sprocket wheel shaped so as to fit into the links of a chain.

Compiled by chris thomas the tiled roofing consultancy 2 ridlands grove limpsfield chart oxted surrey rh8 0st tel 01883 724774. Roof slope is the amount of vertical change in height as a ratio of horizontal distance traveled also expressed as inches of rise per foot of horizontal run or cm of rise per m of horizontal run. Roof slope can also be described as the angle of change in elevation expressed in one of several forms. Cliquer pour ouvrir la boîte d information supplémentaire cliquer pour ouvrir la boîte d information supplémentaire.

It is distinguished from a gear in that sprockets are never meshed together directly and differs from a pulley in that sprockets have teeth and pulleys are smooth except for timing pulleys used with toothed belts. Kids definition of sprocket. Also called chainwheel sprocket wheel. A cylinder with a toothed rim that engages in the perforations of photographic or movie film to pull it through a camera or projector.

The name sprocket applies generally to any wheel upon which radial projections engage a chain passing over it. A wedge shaped piece of wood extending a sloping roof over the eaves with a flatter pitch. The attic must be ventilated to protect the roofing system against excessive heat in summer and warm moist air generated by the house in winter.