Patent ID: 7347123

Claim:
A hammer comprising a head having a contact surface, a shaft having a predetermined shape extending from said head and having a distal end, a ledge portion formed at said distal end of said shaft and extending outwardly therefrom in a direction perpendicular to a longitudinal axis thereof, a plurality of notches having a predetermined shape formed to a predetermined depth in a predetermined surface of said shaft, a generally hollow handle open at one end thereof and closed at an axially opposed end thereof surrounding at least a portion of said shaft, said shaft longitudinally adjustable with respect to said handle, an abutment surface formed on an inner surface of said generally hollow handle for engagement with said ledge portion when said handle is fully extended, and a lockable length adjustment means pivotably disposed within said generally hollow handle and having a projection engageable within one of said notches formed in said shaft for locking said handle to said shaft at a desired length position.