Combination gas cap and digital tire pressure gauge
First Claim
1. A combination gas cap and digital tire pressure gauge comprising:
- a hollow bodied gas cap, a liquid crystal display showing through an opening in the top of said gas gap;
a printed circuit board, support electronics, pressure transducer and battery located within said cap;
a battery door and a push button that activates an associated delay circuit to allow a pressure reading to remain readable for ten seconds;
the top of said hollow bodied gas cap having a raised rectangular portion containing said liquid crystal display and said associated electronics and also acting as a hand tightening means;
said hollow bodied gas cap having a removable bayonet type locking portion on its lower end, said removable bayonet locking type portion designed to mate with a vehicle gas inlet,said removable bayonet locking type portion also acting as said battery door.
0 Assignments
0 Petitions
Accused Products
Abstract
A combination gas cap and digital tire pressure gauge with a hollow bodied gas cap, a liquid crystal display showing through an opening in the top of the gas cap, a printed circuit board and support electronics located within the gas cap, a battery and battery door, a pressure transducer, and a push button and associated delay circuit to allow pressure reading to remain readable for ten seconds. The hollow bodied gas cap has a removable threaded portion at its lower end. The threaded portion is designed to mate with standard female threads of vehicle gas inlets. An alternate embodiment includes wherein a bayonet type locking portion that is substituted for the threaded portion.
-
Citations
10 Claims
-
1. A combination gas cap and digital tire pressure gauge comprising:
-
a hollow bodied gas cap, a liquid crystal display showing through an opening in the top of said gas gap; a printed circuit board, support electronics, pressure transducer and battery located within said cap; a battery door and a push button that activates an associated delay circuit to allow a pressure reading to remain readable for ten seconds; the top of said hollow bodied gas cap having a raised rectangular portion containing said liquid crystal display and said associated electronics and also acting as a hand tightening means; said hollow bodied gas cap having a removable bayonet type locking portion on its lower end, said removable bayonet locking type portion designed to mate with a vehicle gas inlet, said removable bayonet locking type portion also acting as said battery door.
-
-
2. A gas cap and tire pressure gauge apparatus comprising:
-
a gas cap body; a pressure stem means attached to said gas cap body for mating with the vehicle tire stem of a tire; pressure measuring means communicating with said pressure stem means for measuring the pressure in said tire; display means attached to said pressure measuring means for displaying the tire pressure measured by said pressure measuring means; and
,means for attaching said apparatus to the vehicle gas inlet of a vehicle, wherein said cap may be removed from said vehicle gas inlet and used to measure the pressure of air in said tire of said vehicle and then reattached to said vehicle gas inlet. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10)
-
Specification