splocket

Noun

splocket (plural splockets)

1. (attributive, ellipsis) A wheel with projections from its rim that fit and interact with the links of a chain.
   • The screens are connected by chain belts and splocket wheels, so that the bottom screen drives the other two.1883, United States Association of Charcoal Iron Workers, Journal IV, page 325
   • Derailleurs, caliper brakes, drum brakes, three-speed hubs not incorporating coaster brakes, click twist grips, click stick levers, multiple freewheel splockets.1971, American Import & Export Bulletin, LXXIV-LXXV, page 197
2. (building) A triangular timber frame.
   • ⁽¹⁾ Common and jack rafters…with cut wrought ends at overhanging eaves, and wrought splocket (cock) pieces.
     ⁽²⁾ 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.1898, Frank William Macey, Specifications in Detail, pages 162⁽¹⁾ and 175⁽²⁾
   • Sprocket, Splocket. A triangular piece of timber.1904, Augustine C. Passmore, Handbook of Technical Terms Used in Architecture and Building and Their Allied Trades and Subjects, page 328