Patent ID: 7806778

Claim:
A putter head system for a golf putter comprising: a first head part that defines a striking face of a putter; a second head part that is located operatively rearwardly of said first head part in a configuration in which it is displaceable with respect to said first head part along a line extending substantially perpendicularly to said striking face defined by said first head part; a securing means for releasably securing the location of said first and second head parts with respect to one another; a shaft securing formation for securing a shaft to said putter head; and a guide means that guides the displacement of said first and second head parts with respect to one another along the line extending substantially perpendicularly to said striking face defined by said first head part; wherein said guide means includes at least two parallel, spaced guide rods, each guide rod having one end secured in said first head part of the putter head and extending rearwardly from said first head part along a line parallel to the line extending substantially perpendicularly to said striking face defined by said first head part, said second head part being slidably located on said guide rods via at least two guide passages defined therethrough; wherein said securing means includes a securing screw for each said guide rod, each said securing screw being displaceable within said second head part into abutment with its respective said guide rod for securing the location of said second head part on said guide rods; wherein each said guide rod defines a set of peripheral grooves within a segment along the length thereof, each said groove being engagable by an end of said securing screw for locating said second head part on said guide rods in different locations and for providing a mechanical lock between said guide rods and said securing screws that lock the position of said second head part on said guide rods.