IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0797459
(1991-11-22)
|
우선권정보 |
DE-4037148 (1990-11-22) |
발명자
/ 주소 |
- Pacher Vinko (Munich DEX)
|
출원인 / 주소 |
- Hilti Aktiengesellschaft (Schaan LIX 03)
|
인용정보 |
피인용 횟수 :
12 인용 특허 :
0 |
초록
▼
A drilling and chipping tool (1) has a holder (3) detachably connectable on a neck (2) on the tool (1) and the holder (3) includes a cap (4) arranged to fit over the neck (2). The tool (1) has a long direction and the cap (4) has teeth (5, 5a) on an interior surface detachably engageable with teeth
A drilling and chipping tool (1) has a holder (3) detachably connectable on a neck (2) on the tool (1) and the holder (3) includes a cap (4) arranged to fit over the neck (2). The tool (1) has a long direction and the cap (4) has teeth (5, 5a) on an interior surface detachably engageable with teeth (2a) on an exterior surface of the neck (2). A part (5a) of the interior teeth (5, 5a) on the cap (4) is offsettable relative to the remaining teeth (5) on the cap (4) and is engageable into at least one recess (2b) in the region of the teeth (2a) on the neck, whereby a tolerance free connection is established between the holder (3) and the neck (2) of the tool (1). The holder (3) can be attached and detached from the neck (2) without the use of any other tools.
대표청구항
▼
Drilling and chipping tool having a leading end and a trailing end and a long direction extending in the trailing end - leading end direction, a holder (3, 13) for a tool bit detachably mountable on a neck (2, 12) at the leading end of said tool (1), said holder (3, 13) includes a cap (4, 14) mounta
Drilling and chipping tool having a leading end and a trailing end and a long direction extending in the trailing end - leading end direction, a holder (3, 13) for a tool bit detachably mountable on a neck (2, 12) at the leading end of said tool (1), said holder (3, 13) includes a cap (4, 14) mountable over the neck (2, 12), wherein the improvement comprises that said cap (4, 14) has an annular interior surface with an axis extending in the long direction and with spaced teeth (5, 5a, 15, 15a) formed on and extending inwardly from the interior surface with said teeth extending in the long direction, said neck (2, 12) has an exterior surface with spaced teeth (2a, 12a) thereon extending in the long direction and being complementary to said teeth (5, 5a, 15, 15a) on said cap (4, 14), a part (5a, 15a) of said teeth (5, 5a, 15, 15a) on said cap (4, 14) being offsettable relative to the remainder of said teeth (5, 15), and at least one recess (2b , 12b) in the region of the teeth (2a,12a) on the exterior surface of said neck (2, 12) and arranged to receive the offsettable part (5a, 15a) of said teeth (5, 5a, 15, 15a) on said cap (4, 14).
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