Patents by Inventor Walker E. Drayton

Walker E. Drayton 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).

  • Safety hook
    Patent number: 4309052
    Abstract: A safety hook having a hook body and a safety latch rotatable to open and closed positions with respect to the hook body. An axlepin is fixed with respect to the latch and extends through and is rotatable with respect to portions of the hook body. The axlepin has locking surfaces adapted to engage a locking pawl whereby the latch may be locked against rotational movement with respect to the hook body.
    Type: Grant
    Filed: March 7, 1980
    Date of Patent: January 5, 1982
    Assignee: Acco Industries Inc.
    Inventor: Walker E. Drayton
  • Theft-deterrent chain locking device
    Patent number: 4057982
    Abstract: An adjustment control device for a chain. The control device includes a body member having a first orifice for slidably receiving the chain and a second orifice extending crosswise of the first orifice for receiving a shackle of a lock. After a chain has been inserted into the body member, the shackle of the lock is inserted into the second orifice between two alternate links of the chain without passing through the link connecting those alternate links to lock the chain in position.
    Type: Grant
    Filed: April 11, 1975
    Date of Patent: November 15, 1977
    Assignee: American Chain & Cable Company, Inc.
    Inventor: Walker E. Drayton
  • Theft deterrent chain locking device
    Patent number: 3939677
    Abstract: An adjustment control device for a chain. The control device includes a body member having a first orifice for slidably receiving the chain and a second orifice extending crosswise of the first orifice for receiving a shackle of a lock. After a chain has been inserted into the body member, the shackle of the lock is inserted into the second orifice between two alternate links of the chain without passing through the link connecting those alternate links to lock the chain in position.
    Type: Grant
    Filed: April 23, 1973
    Date of Patent: February 24, 1976
    Assignee: American Chain & Cable Company, Inc.
    Inventor: Walker E. Drayton