专利名称：SELF ALIGNING TEST GRIP
发明人：GRAM, MARTIN, M.,JOHNSON, LUTHER,
E.,LARSEN, CARL, G.
申请号：EP88906753
申请日：19880719
公开号：EP0371058A4
公开日：
19910417
专利内容由知识产权出版社提供
摘要：Experiment (13), which clamps, keeps sample (14) that there is a pull rod (25) to be installed on annular aperture (37), and a cooperation in piston (26) is in piston chamber (31), it is formed with the outer surface for sealing them on two pull rods (25) and piston head (26) relative to the piston (13) 0 of shell (32), to form closed chamber (13) 1, the pull rod (13) 2 and piston head (13) 3 that wherein hydraulic fluid is provided to allow rotation centering are relative to the loading direction pull rod (13) 5 and shell (13) 6 that shell (13) 4 is between function. The sealing element in pull rod and above-mentioned sealing element in piston head relative to their own surface, these sealing elements are that very short Part-spherical pad (43) allows pull rod (25) and the position of piston head (26) relative to shell (32) offer autoregistration. The pull rod (25) and piston (26) are freely rotatable to provide for being aligned in only a few tensile load.
申请人：MTS SYSTEMS CORPORATION
centering
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