(elliptically and in attributive use as “splocket wheelâ€) A wheel with projections from its rim that fit and interact with the links of a chain.
1883, United States Association of Charcoal Iron Workers, Journal IV, page 325The screens are connected by chain belts and splocket wheels, so that the bottom screen drives the other two.
(carpentry, building, , and architecture) A triangular timber frame.
1898, Frank William Macey, Specifications in Detail, pages 162â½Â¹â¾ and 175â½Â²â¾â½Â¹â¾ Common and jack rafters…with cut wrought ends at overhanging eaves, and wrought splocket (cock) pieces.â½Â²â¾ See clauses Nos. 75, 77 to 89, and 91 to 99, for any other parts to the roof which may be required, such as tilting fillets, splockets, boarding, fascia, eaves soffits and other items.
1904, Augustine C. Passmore, Handbook of Technical Terms Used in Architecture and Building and Their Allied Trades and Subjects, page 328Sprocket, Splocket. A triangular piece of timber.
1905, Sir Reginald Theodore Blomfield, Studies in Architecture, page 218At the base of the ribs splockets (“coiauxâ€) were attached to complete the curve and carry off the water. The ribs were checked out for the top of the splockets, which were also held together by liernes and keys.