Gravity assisted access plug
OwnerBobby G. Kigerinventor
Life of this patent
Estimating the term…
Abstract
An access plug is provided for use in oil pans, transmissions and other fluid containers of equipment and the like. The access plug is weight imbalanced along the longitudinal axis to prevent inadvertent rotational movement of the access plug as may occur from vibrational forces when the plug is not properly tightened. By designing the plug with such an imbalance, the plug will terminate its rotation as the weighted half reaches the lowermost point during removal rotation and will so remain, preventing complete removal and rapid fluid loss.
Claims9
An access plug comprising:
- a threaded cylindrical shank, an imbalanced head, said head joined to said shank, said imbalanced head comprising a weighted portion, said weighted portion comprising a filler, said weighted portion to prevent vibrational removal of said plug.
In an access plug for horizontal positioning in a drain opening for removal and replacement during fluid exchange, the access plug having a head and a threadable shank for manipulation within the access opening, the improvement comprising:
- milling said head to remove a portion thereof for gravitational action on the remaining portion.
An access plug comprising:
- a) a threaded cylindrical shank;
- b) a head, said head comprising an irregularly shaped polygon, said polygon for tool gripping, said polygon milled to remove a portion thereof;
- and
- c) a filler, said filler positioned in said polygon to thereby create an imbalanced head to prevent vibrational removal of said plug.
Dependencies are inferred from the claim text.