Golf club wood

Claim 1

A wood type golf club having a club head and a shaft comprising: a. a club head block of wood, said club head block having a front face and said front face having a periphery; b. a reinforcing collar having a back face and said back face having a periphery; c. the reinforcing collar at its back face being substantially the same in peripheral dimension as the peripheral dimension of the club head block at its front face; d. a face plate integral with the reinforcing collar and positioned opposite said back face, said reinforcing collar and face plate being a unitary one piece structure and being of a plastic material; e. a cavity in the reinforcing collar, said cavity having a cross-sectional area of at least one half of a square inch, said cavity being positioned in the central portion of the back face of the reinforcing collar internally of the periphery thereof and not extending to the periphery of the reinforcing collar, and said cavity extending from the back face for a substantial distance into the reinforcing collar to a predetermined distance from the striking face; f. a protruding member on the central portion of the front face of said club head block, said protruding member being located internally of the periphery of the club head block and not extending to the periphery of the club head block and being of substantially the same dimension as the cavity in the reinforcing collar; g. said back face of said reinforcing collar being affixed to said front face of said club head block with said cavity and said protruding member in register whereby said protruding member occupies substantially all of said cavity; and h. a shaft affixed to said reinforcing collar.