| 摘要 |
PCT No. PCT/AU89/00107 Sec. 371 Date Nov. 20, 1989 Sec. 102(e) Date Nov. 20, 1989 PCT Filed Mar. 17, 1989 PCT Pub. No. WO89/08822 PCT Pub. Date Sep. 21, 1989.The weighing device has a bending beam (20,31,41) from which bending moment transmission means (35,36,42,43) extend laterally. Relatively rigid members (24,27,30,32) are coupled to the bending moment transmission means (35,36,42,43) by force transmission elements (13,37,38). Loads applied to the rigid members (24,27,30,32) are measured by a strain gauge (33) mounted on the bending beam (20,31,41). Each force transmission element (13,37,38) comprises a rectangular prismatic body of elastomeric material, such as natural rubber, which may have concave sides (15) to reduce shear forces in the body. Fixing studs (17) may be attached to plates (16) bonded to the upper and lower surfaces of the body. The material of the body is chosen to exhibit creep, hystersis and linearity characteristics approximating those of an ideal spring.
|
