초록 ▼

A hammer adapted to its head and handle at least with a resilient swivel pivoted joint so to swing with the swivel point as the pivot in the same direction as that of the striking to release the counter force instantaneously generated as the hammer strikes a work piece, so to avoid hurting the user'

A hammer adapted to its head and handle at least with a resilient swivel pivoted joint so to swing with the swivel point as the pivot in the same direction as that of the striking to release the counter force instantaneously generated as the hammer strikes a work piece, so to avoid hurting the user's fingers and limbs.

대표청구항 ▼

1. A hammer, comprising: a handle having at least one pivot hole at an end thereof; a hammer head having at least one pivot hole at a base thereof; a pivot shaft extending through the pivot hole of the handle and through the pivot hole of the hammer head, to pivotally connect the handle to t

1. A hammer, comprising: a handle having at least one pivot hole at an end thereof; a hammer head having at least one pivot hole at a base thereof; a pivot shaft extending through the pivot hole of the handle and through the pivot hole of the hammer head, to pivotally connect the handle to the hammer head; a resilient sleeve disposed around the pivot shaft, and extending into the pivot hole of the handle and into the pivot hole of the hammer head; and a flexible member disposed between the handle and the hammer head for generating a counter force when the hammer is used to strike a body. 2. The hammer recited in claim 1, wherein the hammer head has two striking ends.3. The hammer recited in claim 1, wherein the flexible member is adapted to maintain both the handle and the hammer head in a stabilized status when they are not subject to a striking force, and to allow both the handle and the hammer head to angularly displace in a striking direction and relative to each other when subject to the striking force.4. The hammer recited in claim 3, wherein the flexible member includes a spring.5. The hammer recited in claim 4, wherein the spring longitudinally extends in the striking direction, and is disposed between the pivot shaft and the hammer head.6. The hammer recited in claim 4, wherein the spring longitudinally extends in the striking direction, and is disposed between the pivot shaft and the handle.7. The hammer recited in claim 3, wherein the flexible member limits an angular displacement between the handle and the hammer head in the striking direction when subject to the striking force.8. The hammer recited in claim 1, wherein the flexible member is comprised of at least one of plastic and rubber.9. The hammer recited in claim 1, wherein the hammer head has a lateral opening therethrough, and a relay rod disposed in the lateral opening, one end of the relay rod being pivotally connected to the handle using the pivot shaft, the flexible member being also disposed in the lateral opening and surrounding the relay rod.10. The hammer recited in claim 9, wherein the relay rod has an enlarged head that has a diameter that is greater than a diameter of the lateral opening.11. The hammer recited in claim 1, wherein the handle has a multi-sectional structure, and includes a relay joint pivotally connected to the hammer head using the pivot shaft, the handle further including a lower section pivotally connected to the relay joint.12. The hammer recited in claim 1, wherein one end of the hammer head has a claw.