公开(公告)号：US20020040618A1

公开(公告)日：2002-04-11

申请号：US09952976

申请日：2001-09-14

Applicant: Hach Company

Inventor： Nelson E. Dervaes

IPC: F16H053/00

CPC classification number: B25B11/00 ,  B01L9/06 ,  B25B5/147 ,  Y10T74/2101

Abstract: A self-centering system is described for holding an object (e.g. a vial, tube or cell) to maintain the longitudinal axis of the object in the desired orientation. The system includes two cam members which are pivotably mounted on parallel axes. The cam members include sloped surfaces which are able to accommodate objects of various diameters or shapes (e.g. circular or non-circular cross-section). The cam members are biased (e.g. with weights or springs) such that the sloped surfaces are automatically brought into contact with the object to be oriented and supported.

Abstract translation: 描述了用于保持物体（例如小瓶，管或细胞）以将物体的纵向轴线保持在期望取向的自对中系统。 该系统包括可枢转地安装在平行轴上的两个凸轮构件。 凸轮构件包括能够容纳各种直径或形状（例如圆形或非圆形横截面）的物体的倾斜表面。 凸轮构件被偏置（例如，具有重物或弹簧），使得倾斜的表面自动地与待定向和支撑的物体接触。