Track-guided Anchor Patents (Class 410/104)
Anchor-admitting cross-slotted track (Class 410/105)
  • Tie down anchor
    Patent number: 4248558
    Abstract: A tie down anchor and fastening device includes an elongated continuous channel defining a continuous T-slot with a slider block slidably mounted within the channel and including a connecting member extending through the slot externally of the channel with gripping means carried by the slider block for engagement with the internal walls of the T channel upon tilting or pulling the slider block into engagement with the walls of the channel adjacent the slot.
    Type: Grant
    Filed: July 6, 1979
    Date of Patent: February 3, 1981
    Inventor: Ed F. Lechner