Patents by Inventor Alwin Hantel

Alwin Hantel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4441754
    Abstract: A rear door for an armored vehicle. The rear door includes an upper door half and a lower door half which are pivotally hinged to the rear wall of the vehicle and can be locked and made tight in the closed position. The lower door half is provided on its inner side with steps for getting into and out of the vehicle, and is held in its lowered open position via a chain pull, a cable line, or an arresting member. Each door half, via swivel levers fastened to the inner side of the door half, is pivotally mounted on a shaft which extends in the transverse direction of the vehicle and is supported in bearing housings which are rigidly arranged to the side of, and above and below, the door opening on the inner side of the rear wall of the vehicle. Each shaft includes a rotating rod and serves to aid the pivot movement during closing. The upper door half is movable by means of a swivel device which includes a push-pull rod and a lever, and can be arrested in its raised open position.
    Type: Grant
    Filed: February 17, 1982
    Date of Patent: April 10, 1984
    Assignee: Thyssen Industrie Aktiengesellschaft
    Inventor: Alwin Hantel