公开(公告)号：US3701392A

公开(公告)日：1972-10-31

申请号：US3701392D

申请日：1970-12-17

Applicant: SAUTER KG AUGUST

Inventor： WIRTH WALTER ,  KUHL BURKHART

IPC: G01G3/16 ,  G01L1/10 ,  G01G3/14

CPC classification number: G01G3/165 ,  G01L1/106 ,  Y10S73/01

Abstract: A flat vibrating measuring string or ribbon suitable for use with a vibrating string weighing apparatus. The cross-section of the string is selected with such a large ratio of the largest to the smallest cross-sectional axis that the resonant frequencies of the desired mth vibrating mode in the direction of the minimum bending rigidity are situated below the resonant frequencies of the first mode in the transverse direction. The string is also enlarged at its ends, preferably by means of interconnecting rounded portions, to minimize the peak stress where the string is clamped. To further minimize the tension at the ends of the string where they are clamped, the string is secured to a junction mass having a resistance and modulus of elasticity which is within an order to magnitude of that of the string.