Power attachment for wheelchair
    1.
    发明授权
    Power attachment for wheelchair 失效
    轮椅电源附件

    公开(公告)号:US5050695A

    公开(公告)日:1991-09-24

    申请号:US552982

    申请日:1990-07-16

    IPC分类号: A61G5/04 A61G5/08

    摘要: A powered unit for adding motive power to a wheelchair comprising a frame adapted for easy attachment to the chair and steerable motive means powered preferably by an electric motor and including a wheel adapted to pull and to steer the chair.

    摘要翻译: 用于向轮椅添加动力的动力单元,其包括适于容易地附接到椅子的框架和可操纵的动力装置,该框架优选地由电动机驱动,并且包括适于拉动和引导椅子的轮。

    Pneumatic powered animal injector
    2.
    发明授权
    Pneumatic powered animal injector 失效
    气动动力注射器

    公开(公告)号:US5015237A

    公开(公告)日:1991-05-14

    申请号:US435252

    申请日:1989-11-13

    IPC分类号: A61D1/02

    CPC分类号: A61D1/025

    摘要: A device for injecting serum or the like into animals while remaining at a distance from the animal. The device uses air pressure from a tank built into the device to eject the serum from a syringe on the tip of the wand. The wand is long enough to provide relative safety for the user.

    摘要翻译: 一种用于在与动物保持距离的同时将血清等注入动物的装置。 该装置使用来自内置于装置中的罐的空气压力将血清从注射器喷射到魔杖的尖端上。 魔杖足够长以为用户提供相对的安全性。