초록 ▼

A step assembly is easily mounted on the trailer hitch of a vehicle, and easily folded to a closed position or unfolded to an open position in place on the vehicle or off of the vehicle. In the open position, a person or a pet can more easily enter or leave a vehicle. In the closed position, the ste

A step assembly is easily mounted on the trailer hitch of a vehicle, and easily folded to a closed position or unfolded to an open position in place on the vehicle or off of the vehicle. In the open position, a person or a pet can more easily enter or leave a vehicle. In the closed position, the step assembly is more easily stored.

대표청구항 ▼

What is claimed and sought to be protected by Letters Patent of the United States is: 1. A collapsible step assembly comprising: a mounting means being receivable by a trailer hitch; the mounting means supporting the collapsible step assembly; at least two collapsible steps for the collapsible step

What is claimed and sought to be protected by Letters Patent of the United States is: 1. A collapsible step assembly comprising: a mounting means being receivable by a trailer hitch; the mounting means supporting the collapsible step assembly; at least two collapsible steps for the collapsible step assembly communicating with the mounting means; the at least two collapsible steps being movable from a closed position to an open position, and from the open position to the closed position; the at least two collapsible steps including a top step and a bottom step; the mounting means including a first part of a top hinge; the top step including a second part of the top hinge; a left vertical support and a right vertical support connecting the top step to the bottom step; a first upper hinge rod connecting the first part of the top hinge and the second part of the top hinge; a top first side plate and a top second side plate being connected to opposing sides of the top step; a bottom first side plate and a bottom second side plate being connected to opposing sides of the bottom step; a first lower hinge rod connecting the bottom first side plate and the bottom second side plate to the bottom step; a first upper hinge rod connecting the first top side plate and the second top side plate to the top step; a second upper hinge rod connecting the left vertical support and the right vertical support to the top step; the second upper hinge rod connecting the first top side plate over the left vertical support to the top step and connecting the second top side plate over the right vertical support to the top step on opposing sides thereof; a first lower hinge rod connecting the left vertical support over a first bottom side plate to the bottom step at a lower end thereof; the first lower hinge rod connecting the right vertical support over a second bottom side plate to the bottom step at the lower end thereof; the first lower hinge rod connecting the left vertical support and the first bottom side plate to the bottom step; the first bottom side plate being between the left vertical support and the bottom step; the first lower hinge rod connecting the right vertical support and the second bottom side plate to the bottom step; the second bottom side plate being between the right vertical support and the bottom step; a fastener holding each end of the first upper hinge rod, the second upper hinge rod, the first lower hinge rod and the second lower hinge rod in a desired position; a lever lock assembly and a ball lock assembly cooperating with the left vertical support and the right vertical support in order to provide for positioning the collapsible step; the lever lock assembly fitting into the top step adjacent to the second upper hinge rod; a centrally located spring with a spring cover for the lever lock assembly; the spring cover cooperating with a coupling shank on each side thereof; each coupling shank cooperating with an end latch bolt of the lever lock assembly; and a sliding bushing operably connecting to the spring in order to facilitate an opening and a closing of the step assembly. 2. The collapsible step assembly of claim 1 further comprising: a) the sliding bushing having a finger lever extending therefrom to facilitate use thereof; b) the sliding bushing having a coupling aperture; c) the coupling aperture receiving a large compression spring; and d) the ball lock assembly cooperating with the lever lock assembly. 3. The collapsible step assembly of claim 2 further comprising: a) the ball lock assembly holding the step assembly in the open position or the closed position; b) the ball lock assembly having a ball housing; c) the ball housing containing a dimple in communication with a reciprocating ball; d) the ball lock assembly being mounted in each of the left vertical support and the right vertical support; e) the left vertical support and the right vertical support each including a blind aperture to receive the ball when the collapsible step is folded; and f) the bottom step including a dimple on a side of the bottom step to receive the ball when the collapsible step is open. 4. The collapsible step assembly of claim 3 further comprising: a) the top step and the bottom step having a honey comb structure on a bottom thereof for strength; and b) a third step being added to the collapsible step. 5. The collapsible step assembly of claim 4 further comprising: a) a hitch insert cooperating with the step assembly to permit use on a different trailer hitch; b) a bar and cotterpin assembly cooperating to secure step assembly within the trailer hitch; c) the bar and cotterpin assembly supporting the collapsible step; and d) the collapsible step facilitating entry of or leaving of a vehicle by a pet or a person. 6. In a vehicle requiring a high step to enter therein, the improvement comprising: a collapsible step assembly being releasably secured to the vehicle; the collapsible step assembly including a mounting means; the mounting means being receivable by a trailer hitch; the mounting means supporting the collapsible step assembly; at least two collapsible steps for the collapsible step assembly communicating with the mounting means; the at least two collapsible steps being movable from a closed position to an open position, and from the open position to the closed position; the at least two collapsible steps including a top step and a bottom step; the mounting means including a first part of a top hinge; the top step including a second part of the top hinge; a left vertical support and a right vertical support correcting the top step to the bottom step; a first upper hinge rod connecting the first part of the top hinge and the second part of the top hinge; a top first side plate and a top second side plate being connected to opposing sides of the top step; a bottom first side plate and a bottom second side plate being connected to opposing sides of the bottom step; a first lower hinge rod connecting the bottom first side plate and the bottom second side plate to the bottom step; a first upper hinge rod connecting the first top side plate and the second top side plate to the top step; a second upper hinge rod connecting the left vertical support and the right vertical support to the top step; the second upper hinge rod connecting the first top side plate over the left vertical support to the top step and connecting the second top side plate over the right vertical support to the top step on opposing sides thereof; a first lower hinge rod connecting the left vertical support over the first bottom side plate and the right vertical support to the bottom step at lower end thereof; a first lower hinge rod connecting the left vertical support and the right vertical support to the bottom step at lower end thereof; the first lower hinge rod connecting the left vertical support and the first bottom side plate to the bottom step; the first bottom side plate being between the left vertical support and the bottom step; the first lower hinge rod connecting the right vertical support and the second bottom side plate to the bottom step; the second bottom side plate being between the right vertical support and the bottom step; a fastener holding each end of the first upper hinge rod, the second upper hinge rod, the first lower hinge rod and the second lower hinge rod in a desired position; a lever lock assembly and a ball lock assembly cooperating with the left vertical support and the right vertical support in order to provide for positioning the collapsible step; the lever lock assembly fitting into the top step adjacent to the second upper hinge rod; a centrally located spring with a spring cover for the lever lock assembly; the spring cover cooperating a coupling shank on each side thereof; each coupling shank cooperating with an end latch bolt of the lever lock assembly; and a sliding bushing operably connecting to the spring in order to facilitate an opening and a closing of the step assembly. 7. The vehicle of claim 6 further comprising: a) the sliding bushing having a finger lever extending therefrom to facilitate use thereof; b) the sliding bushing having a coupling aperture; c) the coupling aperture receiving a large compression spring; and d) the ball lock assembly cooperating with the lever lock assembly. 8. The vehicle of claim 7 further comprising: a) the ball lock assembly holding the step assembly in the open position or the closed position; b) the ball lock assembly having a ball housing; c) the ball housing containing a dimple in communication with a reciprocating ball; d) the ball lock assembly being mounted in each of the left vertical support and the second vertical support; e) the left vertical support and the right vertical support each including a blind aperture to receive the ball when the collapsible step is folded; and f) the bottom step including a dimple on a side of the bottom step to receive the ball when the collapsible step is open. 9. The vehicle of claim 8 further comprising: a) the top step and the bottom step having a honey comb structure on a bottom thereof for strength; and b) a third step being added to the collapsible step. 10. The vehicle of claim 9 further comprising: a) a hitch insert cooperating with the step assembly to permit use on a different trailer hitch; b) the bar and cotterpin assembly supporting the collapsible step; and c) the collapsible step facilitating entry of or leaving of a vehicle by a pet or a person.