Patents Assigned to Dethmers Mfg. Co.
  • Patent number: 5560735
    Abstract: A watercraft lift is disclosed herein having an optional support (10) for anchoring the lift to the floor of a body of water. The support (10) comprises a leg (12) having a first end (14) releasably attached to the load member (48) and second end (18) for anchoring in the floor of a body of water. The second end (18) includes a foot (20) to hold the support (10) in position and prevent further sinking into the floor. The first end (14) is slideably mounted on the load member (48) and fixedly held in place by a pair of elongated bars (36) threadably attached to a plate (16) mounted on the first end (14). The support (10) of the present invention is particularly adaptable for use with portable docks.
    Type: Grant
    Filed: November 9, 1993
    Date of Patent: October 1, 1996
    Assignee: Dethmers Mfg. Co.
    Inventor: Tim E. Lammers
  • Patent number: RE35482
    Abstract: A towing hitch includes a frame having a forward portion selectively connected to the receiver hitch of a towing vehicle, and a rearward portion having a pair of elongated bars pivotally connected thereto for removable connection to a vehicle to be towed. Each bar has a pivot arm connected to the rearward end thereof, said pivot arms and bars all pivotal within a single plane, so that the pivot arms may be folded into a storage position adjacent and parallel .Iadd.to .Iaddend.the bars. Selective locking apparatus permits the pivot arms to be extended to a towing position aligned with the bars and locked in the towing position. The bars are pivotally connected to a pivot block which is pivotally mounted to the forward portion of the frame, so as to permit the pivot block, and attached bars and arms to pivot from a generally horizontal position to a generally vertical storage position.
    Type: Grant
    Filed: March 24, 1995
    Date of Patent: March 25, 1997
    Assignee: Dethmers Mfg. Co.
    Inventor: Andrew B. Johnson, deceased