| 摘要 |
1,196,431. Spring clips. EMHART CORP. 24 June, 1967 [24 June, 1966], No. 9614/67. Heading E2B. A self tightening hose clamp having a given nominal diameter comprises: a helically wound body portion formed of a single convolution of spring wire having a substantially D-shaped cross-section, and having overlapping end portions terminating in tool engaging portions Fig. 6; the internal hose engaging surface of said body portion being substantially flat axially of the clamp; and the ratio of the thickness of said body portion, taken in a radial direction of said clamp, to the width of the substantially flat surface taken in an axial direction of the clamp, being in the range of from 1:1 to 1:7. |
