公开(公告)号：US3724572A

公开(公告)日：1973-04-03

申请号：US3724572D

申请日：1972-05-09

Applicant: WIRTH GALLO & CO

Inventor： SANER K

IPC: G01G3/16 ,  G01L1/10 ,  G01G3/14

CPC classification number: G01L1/106 ,  G01G3/165

Abstract: Two pretensioned vibrating strings are respectively stressed and stress-relieved by a force to be measured, said force being applied through a compensating lever incorporating an arm whose effective length varies as a function of force applied to maintain linearity.

Abstract translation: 两个预张紧的振弦通过被测量的力分别受应力和应力消除，所述力通过包括臂的补偿杆施加，其有效长度作为施加的力的函数而变化以保持线性。

公开(公告)号：US3411347A

公开(公告)日：1968-11-19

申请号：US49891465

申请日：1965-10-20

Applicant: WIRTH GALLO & CO

Inventor： JOHANNES WIRTH ,  MARIO GALLO

IPC: G01H13/00 ,  G01L1/10

CPC classification number: G01L1/106 ,  Y10S73/01

公开(公告)号：US3052116A

公开(公告)日：1962-09-04

申请号：US83269859

申请日：1959-08-10

Applicant: COAL INDUSTRY PATENTS LTD

Inventor： HUNT CRITCHLEY OCTAVIUS ,  HAROLD KELLET WILLIAM

IPC: G01L1/10 ,  G01M5/00 ,  G01N3/06

CPC classification number: G01M5/0041 ,  G01L1/106 ,  G01M5/0066 ,  G01M5/0091 ,  G01N3/06 ,  Y10S73/01