Hammer head assembly for power hammer
AssigneesTung-Hsien Chen, De Poan Pneumatic Corp.
InventorTung-Hsien Chen
Life of this patent
Estimating the term…
Abstract
A hammer head assembly used in a power hammer for driving a nail into objects to be fastened is constructed to include a nail holder axially slidably mounted in a hollow mounting base and forced out of the bottom side of the mounting base by a spring member, a magnet fixedly provided inside the nail holder and adapted to attract a nail in vertical for driving into the workpiece, and a hammering rod axially inserted into the nail holder and controlled to drive a nail out of the nail holder into the workpiece.
Claims5
A hammer head assembly used in a power hammer for driving a nail into objects to be fastened, comprising:
- an externally threaded mounting base fastened to a mounting hole of said power hammer, said mounting base having an axially extended center through hole extended through top and bottom sides thereof;
- a nail holder axially slidably inserted into the axially extended center through hole of said mounting base from the bottom side of said mounting base, said nail holder having a longitudinal sliding groove in the periphery thereof, an axially extended center through hole, and a bottom skirt extended around a bottom end of the axially extended center through hole of said nail holder, said bottom skirt having a vertical peripheral wall defining a receiving open chamber adapted to hold the washer of a washer faced screw nail;
- a spring member provided inside said mounting base and adapted to force said nail holder downwardly out of said mounting base;
- a hammering rod inserted into the axially extended center through hole of said mounting base and the axially extended center through hole of said nail holder and adapted to drive a nail into the workpiece;
- and
- at least one magnet mounted inside said nail holder and adapted to attract a nail for enabling the attracted nail to be driven into the workpiece by said hammering rod.
A hammer head assembly used in a power hammer for driving a nail into objects to be fastened, comprising:
- an externally threaded mounting base fastened to a mounting hole of said power hammer, said mounting base having an axially extended center through hole extended through top and bottom sides thereof;
- a top-flanged nail holder axially slidably inserted into the axially extended center through hole of said mounting base from the top side of said mounting base, said nail holder having an axially extended center through hole;
- a spring member provided inside said mounting base and adapted to force said nail holder downwardly out of said mounting base;
- a hammering rod inserted into the axially extended center through hole of said mounting base and the axially extended center through hole of said nail holder and adapted to drive a nail into the workpiece;
- a non-magnetic annular metal positioning ring fixedly mounted within the axially extended center through hole of said nail holder in flush with the bottom side of said nail holder;
- and
- an annular magnet fixedly provided within the axially extended center through hole of said nail holder at a top side of said non-magnetic annular metal and adapted to attract a nail in said non-magnetic annular positioning ring for enabling the attracted nail to be driven into the workpiece by said hammering rod.
Dependencies are inferred from the claim text.