IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0743178
(2001-01-05)
|
국제출원번호 |
PCT/US99/17184
(1999-07-29)
|
국제공개번호 |
WO00/06470
(2000-02-10)
|
발명자
/ 주소 |
- Hart, Steven L.
- Daenzer, Klaus P.
- Howard, Brent R.
|
출원인 / 주소 |
|
대리인 / 주소 |
Woodard, Emhardt, Naughton, Moriarty & McNett LLP
|
인용정보 |
피인용 횟수 :
18 인용 특허 :
38 |
초록
▼
A conveyor (20, 120, 220, 320) for transporting objects sensitive to electrostatic discharge. In one embodiment, the present invention relates to a slippable roller conveyor (20, 120, 220, 320) with conductive slippable rollers (30, 30') in electrical communication with an electrical ground (60). Th
A conveyor (20, 120, 220, 320) for transporting objects sensitive to electrostatic discharge. In one embodiment, the present invention relates to a slippable roller conveyor (20, 120, 220, 320) with conductive slippable rollers (30, 30') in electrical communication with an electrical ground (60). The slippable rollers (30, 30') preferably have about 105ohms resistance from the outer surface (40) to the inner diameter (34) to ensure that electrostatic charges built up on the conveyed object can flow to ground, yet not flow too quickly. In another embodiment, the roller shafts (35) are supported on highly conductive bushings that provide a path to electrical ground that is preferably less than 104ohms. In yet another embodiment, the roller shafts (35) are driven by a conductive pulley (65) that minimizes the build-up of electrostatic charge as a result of a triboelectric effect with the drive belt (70).
대표청구항
▼
A conveyor (20, 120, 220, 320) for transporting objects sensitive to electrostatic discharge. In one embodiment, the present invention relates to a slippable roller conveyor (20, 120, 220, 320) with conductive slippable rollers (30, 30') in electrical communication with an electrical ground (60). Th
A conveyor (20, 120, 220, 320) for transporting objects sensitive to electrostatic discharge. In one embodiment, the present invention relates to a slippable roller conveyor (20, 120, 220, 320) with conductive slippable rollers (30, 30') in electrical communication with an electrical ground (60). The slippable rollers (30, 30') preferably have about 105ohms resistance from the outer surface (40) to the inner diameter (34) to ensure that electrostatic charges built up on the conveyed object can flow to ground, yet not flow too quickly. In another embodiment, the roller shafts (35) are supported on highly conductive bushings that provide a path to electrical ground that is preferably less than 104ohms. In yet another embodiment, the roller shafts (35) are driven by a conductive pulley (65) that minimizes the build-up of electrostatic charge as a result of a triboelectric effect with the drive belt (70). ation on said one limb, and wherein said control groove and said first bowstring let-out groove on said control wheel are circular, concentric with each other and with said axis, and at differing radii from said axis. 15. The bow set forth in claim 14 wherein said power cam comprises a cam base and a draw length module mounted on said cam base for adjusting length of said power cable groove and thereby adjusting draw length of said bow, and wherein said bowstring cable segment is anchored at said power cam to said draw length module so that adjustment of said module on said cam base automatically simultaneously adjusts length of said bowstring cable segment. 16. The bow set forth in claim 14 wherein said power cam is mounted for rotation about an axis, and wherein said power cable groove on said module has a first portion spaced from said axis with lateral groove sidewalls that confine said power cable segment as it wraps into and unwraps from said power cable groove and a second portion adjacent to said axis without said sidewalls. 17. A single cam compound archery bow that comprises: a bow handle having projecting limbs, a control wheel rotatably mounted at an end of one of said li
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