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    Sanding tool with clamping mechanism
    31.
    发明授权
    Sanding tool with clamping mechanism 有权
    砂光工具夹紧机构

    公开(公告)号：US07144300B1

    公开(公告)日：2006-12-05

    申请号：US11275390

    申请日：2005-12-29

    Applicant: Eric R. Cybulski ,  Ryan Patrick Simmers ,  Jon A. Kirschhoffer

    Inventor： Eric R. Cybulski ,  Ryan Patrick Simmers ,  Jon A. Kirschhoffer

    IPC: B24B23/00

    CPC classification number: B24D15/023 ,  B24B23/04

    Abstract: A hand-held, manually-operated sanding tool for use with a replaceable sheet of abrasive material includes a base member and a clamping mechanism. The base member defines first and second ends, a bottom surface extending between the first and second ends, a contact surface formed opposite the bottom surface and extending from the first end, and at least one tooth extending from the contact surface. The clamping mechanism is pivotally connected to the base member at a pivot point, defines a front section opposite the pivot point, and is movable about the pivot point between an open position, in which the front section is spaced from the contact surface for receiving an end portion of a sheet of abrasive material, and a closed position, in which the clamping mechanism is more proximate the contact surface and the front section is more proximate the at least one tooth.

    Abstract translation: 用于与可更换的研磨材料片一起使用的手持式手动打磨工具包括基底构件和夹紧机构。 基部构件限定第一端和第二端，在第一端和第二端之间延伸的底表面，与底表面相对并且从第一端延伸的接触表面和从接触表面延伸的至少一个齿。 夹紧机构在枢转点处枢转地连接到基部构件，限定与枢转点相对的前部，并且可围绕枢转点在打开位置之间移动，在该打开位置中，前部与接触表面间隔开，以便接收 研磨材料片的端部和闭合位置，其中夹紧机构更接近接触表面，并且前部更靠近至少一个齿。

    Electronic stethoscope having binaural earpiece
    35.
    发明授权
    Electronic stethoscope having binaural earpiece 失效
    电子听诊器具有双耳听筒

    公开(公告)号：US5347583A

    公开(公告)日：1994-09-13

    申请号：US991840

    申请日：1992-12-16

    Applicant: Alan P. Dieken ,  Jon A. Kirschhoffer

    Inventor： Alan P. Dieken ,  Jon A. Kirschhoffer

    IPC: A61B7/04

    CPC classification number: A61B7/04

    Abstract: A binaural electronic stethoscope adapted to receive auscultatory sounds from a body and adapted to transmit the auscultatory sounds to a user. A chestpiece is adapted to be utilized in cooperation with the body. An acoustical transducer cooperates with the chestpiece and receives auscultatory sounds and transforms the auscultatory sounds into an electrical input signal. A signal processor processes the electrical input signal to produce an electrical output signal. A first tubular member couples the chestpiece to a housing. A speaker is mounted within the housing and converts the electrical output signal into an acoustical output signal. Second and third tubular members are coupled to the housing and are acoustically coupled to the speaker. First and second earpieces are coupled to the second and third tubular members, respectively, and receive the acoustical output signal and provide the acoustical output signal to the user. The first tubular member has an acoustical cavity acoustically coupled to the speaker in the housing. In this way, the acoustical cavity of the first tubular member and the second and third tubular members form a sound chamber both in front of and behind the speaker providing balanced acoustical response.

    Abstract translation: 一种双耳电子听诊器，其适于从身体接收听诊声音并适于将听诊声音传送给用户。 胸部适合与身体配合使用。 声学传感器与胸部配合并接收听诊声音，并将听诊声音转换为电输入信号。 信号处理器处理电输入信号以产生电输出信号。 第一管状构件将胸部连接到壳体。 扬声器安装在壳体内，并将电输出信号转换为声输出信号。 第二和第三管状构件联接到壳体并且声学地耦合到扬声器。 第一和第二听筒分别耦合到第二和第三管状构件，并且接收声音输出信号并向用户提供声音输出信号。 第一管状构件具有声学耦合到壳体中的扬声器的声腔。 以这种方式，第一管状构件和第二和第三管状构件的声腔在扬声器的前面和后面形成声室，提供均衡的声响应。

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