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1083 records (took 0.026 seconds)

    Industrial spectacles
    122.
    发明授权
    Industrial spectacles 失效
    工业技术

    公开(公告)号：US3605116A

    公开(公告)日：1971-09-20

    申请号：US3605116D

    申请日：1968-02-27

    Applicant: ESB INC

    Inventor： SIMPSON JACK N ,  HOFFMASTER GEORGE R ,  BRACE PALMER E

    IPC: A61F9/02

    CPC classification number: A61F9/029

    Abstract: SPECTACLES, SUCH AS INDUSTRIAL SPECTACLES AND SUNGLASSES, HAVING EMBEDDED IN THE NOSE PIECE A MALLEABLE INSERT TO PERMIT SLIGHT BENDING, HORIZONTALLY, WITH A PERMANENT SET OF TWO LENS SURROUNDINGS PORTIONS, EITHER TOWARD OR AWAY FROM THE FACE, SO AS TO ADJUST THE FRAME TO THE FACIAL CONTOUR OF THE WEARER. SUCH INSERT MAY ALSO BE EMBODIDIED IN EACH TEMPLE. THE NOSE PIECE INSERT WHEN TWISTED VERTICALLY ALSO PERMITS ADJUSTMENT OF THE TEMPLE EXTREMITES SO THAT THEY MAY BE BROUGHT INTO HORIZONTAL ALIGNMENT.

    Mercury cell
    123.
    发明授权
    Mercury cell 失效

    公开(公告)号：US3600231A

    公开(公告)日：1971-08-17

    申请号：US3600231D

    申请日：1969-11-28

    Applicant: ESB INC

    Inventor： DAWSON ROBERT J

    IPC: H01M4/48 ,  H01M15/06

    CPC classification number: H01M4/48

    Abstract: A MERCURY CELL IS DESCRIBED HAVING ADDITIVES IN THE MERCURIC DEPOLARIZER MIX WHICH HAVE THE EFFECT OF STABILIZING THE OPEN CIRCUIT VOLTAGE AND INHIBITING AGGLOMERATION OF MERCURY IN THE DEPOLARIZER MIX. THE PREFERRED ADDITIVE IS MN2O3 ALTHOUGH MN3O4 HAS BEEN FOUND TO BE SATISFACTORY. THE ADDITIVE IS MIXED WITH THE DEPOLARIZER MIX IN AMOUNTS RANGING FROM AT LEAST ABOUT 1% BY WEIGHT OF THE MIX TO A MIXIMUM PERCENTAGE CONSISTENT WITHH CAPACITY AND VOLUME REQUIREMENTS.

    Battery discharge indicator and control circuit
    125.
    发明授权
    Battery discharge indicator and control circuit 失效
    电池放电指示器和控制电路

    公开(公告)号：US3576488A

    公开(公告)日：1971-04-27

    申请号：US3576488D

    申请日：1968-06-25

    Applicant: ESB INC

    Inventor： ZUG WILHELM J ,  RIGGS HAROLD C

    IPC: G01R19/165 ,  G01R31/36 ,  H02J9/00 ,  H02J7/00

    CPC classification number: H02J9/002 ,  G01R19/16542

    Abstract: A battery discharge indicator which is particularly adapted for monitoring the terminal voltage of a battery supplying power for a battery-operated industrial truck. The indicator is operative to provide a warning signal when the voltage of the battery falls below a given value and includes timing and switching means which, if the battery is not recharged within a predetermined period of time is operative to prevent the truck from doing any work other than travelling thereby reserving the power remaining in the battery for the return of the truck to the charging station.

    Combination face shield and hood
    126.
    发明授权
    Combination face shield and hood 失效
    组合面罩和外壳

    公开(公告)号：US3570010A

    公开(公告)日：1971-03-16

    申请号：US3570010D

    申请日：1969-03-05

    Applicant: ESB INC

    Inventor： HOFFMASTER GEORGE R ,  BOHNER WILLIAM R

    IPC: A61F9/02 ,  A42B1/08 ,  A61F9/00

    CPC classification number: A61F9/025

    Abstract: A COMBINATION FACE SHIELD AND HOOD WHICH IS PARTICULARLY USEFUL TO PROTECT THE WEARER AGAINST BB''S FIRED BY A RIFLE SUCH AS USED IN ARMY INFANTRY TRAINING. IT INCLUDES A SUSPENSION WHICH IS READILY ATTACHABLY TO ANY ARMY HELMET, TWO DOUBLE LENS PORTIONS AND A HOOD PORTION FOR RESISTING BB SHOTS. THE HOOD PORTION CONTAINS TWO SCREENED OPENINGS ON THE SIDES THEREOF FOR HEARING AND VENTILATION.

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