Position-limit device with spring components for direct tensile test

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United States of America Patent

PATENT NO 9574980
APP PUB NO 20160231212A1
SERIAL NO

15013988

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Abstract

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A device for fixing a rock sample, the device including: a lower clamp and an upper clamp. The lower clamp includes: a lower connector connected to a bottom loading base, a lower end cap for fixing samples, a lower chain connecting the lower connector and the lower end cap, a first spiral spring, a first central position-limit mechanism, and a second central position-limit mechanism. The lower end cap includes: a first sample fixing groove and a first connecting segment. The upper clamp includes: an upper connector connected to a top loading base, an upper end cap for fixing the samples, an upper chain connecting with the upper connector and the upper end cap, a second spiral spring, a third central position-limit mechanism, and a fourth central position-limit mechanism. The upper end cap includes a second sample fixing groove and a second connecting segment.

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Patent Owner(s)

Patent OwnerAddress
SICHUAN UNIVERSITY610065 NO 24 SOUTH SECTION OF RING ROAD SICHUAN CHENGDU CHENGDU CITY SICHUAN PROVINCE 610065

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ju, Yang Chengdu, CN 26 58
Liu, Jianfeng Chengdu, CN 110 413
Xiang, Yong Chengdu, CN 15 184
Xie, Heping Chengdu, CN 57 172
Xu, Huining Chengdu, CN 26 118
Xu, Yangmengdi Chengdu, CN 6 48
Zhou, Zhiwei Chengdu, CN 50 82
Zhuo, Yue Chengdu, CN 53 171
Zou, Hang Chengdu, CN 6 46

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