Accomodation of expansion in burner assembly of gas cooker

摘要

A burner assembly for a gas cooker includes a distributor 30 and a first formation 46 to support the distributor in the assembly. The distributor and first formation include spigots 47 and recesses 48 to receive the spigots to allow the first formation to support the distributor. The recesses include a surface sized and shaped so that thermal expansion of the distributor results in substantially no increase in the contact surface area between the first formation and the distributor irrespective of whether the distributor is hot or cold.