Material tester with mode indicator
    1.
    发明授权
    Material tester with mode indicator 失效
    材料测试仪与模式指示器

    公开(公告)号:US3552193A

    公开(公告)日:1971-01-05

    申请号:US3552193D

    申请日:1968-11-08

    Applicant: INSTRON CORP

    Abstract: MATERIALS TESTING APPARATUS HAS A CROSSHEAD MOVABLE IN OPPOSITE DIRECTIONS, RESPECTIVELY, DURING TWO MODES OF TESTING, CONTROL CIRCUITRY HAVING AN ELEMENT WITH POSITIONS CORRESPONDING TO EACH MODE, SEPARATE INDICIA FOR EACH MODE FOR INDICATING CROSSHEAD POSITION, A SHUTTER WITH TWO POSITIONS IN EACH OF WHICH THE INDICIA FOR THE THEN OPERATIVE MODE ARE MADE VISIBLE AND THE INDICIA FOR THE OTHER MODE ARE OBSCURED, AND SELECTOR MECHANISM FOR SELECTING THE CONDITION OF THE ELEMENT AND THE POSITION OF THE SHUTTER.

    Device for feeding webs in recording instruments
    3.
    发明授权
    Device for feeding webs in recording instruments 失效
    在记录仪器中输送WEBS的装置

    公开(公告)号:US3612430A

    公开(公告)日:1971-10-12

    申请号:US3612430D

    申请日:1969-07-23

    Applicant: INSTRON CORP

    CPC classification number: G01D15/24 B65D33/00 B65D35/02 B65H23/18 G01D15/28

    Abstract: Web-feeding device including web supply and takeup reservoirs mounted for movement to respectively supply and take up the web longitudinally of the web, a web drive mounted intermediate the reservoirs longitudinally of the web and being actuable to move the web and having an inertia incident to that movement less than the inertia characterizing at least one of the reservoirs in respective movement to supply and take up the web; and a dual loop control in which a pair of loop guides are mounted on a support in spaced relation to each other with the loops extending in generally opposite directions, one guide being intermediate of the supply reservoir and the web drive in a direction longitudinal of the web, the other guide being so intermediate of the web drive and the takeup reservoir, the support being movable toward and away from a generally central position.

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