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| Number | Title | Issue Date |
| 7386973 | Retractable stirrup designed for compact storage An apparatus that provides for a conveniently removable mounting stirrup that assists a rider in climbing into a riding saddle, and provides for compact storage. The removable mounting stirrup includes features for a convenient saddle attachment and removal while on... | 06/17/2008 |
| 7357363 | Expansion bolt An expansion bolt. A first chock has first and second outer ramping surfaces. A second chock has an inner ramping surface complementarily corresponding to the first outer ramping surface. A spring member biases the second chock radially inwardly against the first ou... | 04/15/2008 |
| 7168523 | Mechanic's step with stirrup A suspended step assembly that is attachable over the tire of a motor vehicle and which can support a mechanic working in the engine compartment. It has a frame that can be broken down into sub-parts for compact storage in a motor vehicle, is easy and fast to assemb... | 01/30/2007 |
| 7134524 | Methods and apparatus for threadably coupling a hook to a structure A tree-climbing assembly includes at least one tree step and a tool for rotating the tree step relative to a tree such that the tree step is threadingly coupled to the tree. The tree step includes a threaded first portion, a foot peg, and a second portion that exten... | 11/14/2006 |
| 7108101 | Manhole insert for manufacture of a cast member and to provide a step insert having increased structural and holding strength Method and apparatus for forming cast members. Steps are provided in the cast member by sliding mounting flanges of hollow plastic step inserts into slots provided in the inner mold shell. The cast material is then poured into the mold. Once the cast material has se... | 09/19/2006 |
| 7011281 | Expansion bolt An expansion bolt. A first chock has first and second outer ramping surfaces. A second chock has an inner ramping surface complementarily corresponding to the first outer ramping surface. A spring member biases the second chock radially inwardly against the first ou... | 03/14/2006 |
| 6971478 | Tailgate ladder A ladder for a truck fitted with a pivotal tailgate, the ladder comprising a first leg portion pivotally coupled to a second leg portion, where at least one of the leg portions is fitted with at least one rung. An upper end of the first leg portion is pivotally atta... | 12/06/2005 |
| 6971657 | Driver access system for motor truck tractor An access system for a terminal or a yard type motor truck tractor includes three vertically and laterally spaced steps which are mountable on the tractor frame just aft of the tractor cab to provide access between ground level and a deck or platform of the tractor ... | 12/06/2005 |
| 6957719 | Tire step apparatus A step apparatus (10) is provided for use on a vehicle tire and includes a first step assembly (12) which includes a first step portion and a pair of first struts extending upward from the first step portion. A second step assembly (18) includes... | 10/25/2005 |
| 6957717 | Powder driven support device A support device may be used by a technician when performing elevated line work, for example. The support device may include a shaft having a first end and a second end and threads disposed at the first end of the shaft for use in securing the device to a pole. The ... | 10/25/2005 |
| 6932193 | Boat bow access ladder for trailer A boat ladder attached to a trailer for easy access to a bow of a boat. The ladder comprises two side rails with spaced-apart steps or rungs between the side rails, the lower portion of one of the side rails curving a predetermined distance toward the other side rai... | 08/23/2005 |
| 6932021 | Dock swivel step A dock swivel step is attached to a dock pole by clamps. The swivel step has vertical outer and inner tubes. The vertical tube is clamped to the dock pole. An inner L shaped tube slides inside the outer tube. Attached to the horizontal part of the inner tube is an o... | 08/23/2005 |
| 6755146 | Compactable boat ladder A ladder which is particularly useful as a boat ladder is constructed with a pair of centrally located side-by-side elongated support members which are movable lengthwise, to a limited degree, with respect to one another. The ladder rungs are pivotally attached to t... | 06/29/2004 |
| 6622822 | Bunk ladder An adjustable ladder with self-storing features and suitable for installation in the sleeping berth of an over-the-highway tractor. The ladder includes an upper and lower member. The upper member includes first and second side rails and at least one step ... | 09/23/2003 |
| 6484982 | Steel pole step assembly A step assembly is provided that can be easily slipped into a utility pole opening and locked in place, and then easily removed after use. The step assembly includes 1) a step member having first and second legs, which are connected at one end and open at... | 11/26/2002 |
| 6471002 | Folding foot step with anti-skid surface A folding foot step of the type used on vehicles has an improved anti-skid, friction grip, stand-on surface with a clover-leaflet-shaped perimeter. The stand-on surface is interrupted by three elongate openings that are spaced inwardly from the perimeter ... | 10/29/2002 |
| 6457558 | Tire step apparatus A step apparatus is provided for use on a vehicle tire and includes a first step assembly which includes a first step portion and a pair of first struts extending upward from the first step portion. A second step assembly includes a second step portion an... | 10/01/2002 |
| 6439343 | Two rung removable step and method of using the same A portable step system for fastening to a member such as a tree includes a first rung having an integral first arm, a plate connected to the first arm, a second arm integral with a second rung connected to the plate, and a fastener for securing the step t... | 08/27/2002 |
| 6378822 | Step assembly for hollow poles and the like A step assembly for securing a step to hollow poles and like. The step assembly includes a lock bushing and a mounting base that have cooperating flats to prevent relative rotational movement between the pole-like structure and the step. More particularly... | 04/30/2002 |
| 6315077 | Insert forming hole to receive manhole step A frangible insert that is inserted in a pre-positioned bushing in the wall of a manhole form from the convex, easily reached side of the inner form wall. A key in the insert is received in a keyway in the bushing in the form wall so that the insert is pr... | 11/13/2001 |
| 6302618 | Foothold The foothold of the manhole, the quay, and the like comprises the tread and side portions continued from and positioned at both sides of the tread, wherein at least the upper surface of the tread is inclined upward from a central portion of the tread towa... | 10/16/2001 |
| 6203040 | Adjustable running board An adjustable running board comprising an elongated deck having an integrated first end-cap and an underlying support frame in which clamping bolts may be slideably positioned. The elongated deck may be cut to the length required for installation on a par... | 03/20/2001 |
| 6068083 | Foothold There is provided a foothold comprising a tread, side portions positioned at both sides of the tread, legs to be inserted into a concrete wall, said tread, side portions and legs being formed of a core and first and second synthetic resins for covering th... | 05/30/2000 |
| 5967256 | Foothold A foothold including a tread, side portions positioned at both sides of the tread, and legs to be inserted into a concrete wall. The tread, side portions and legs are formed of a core covered by synthetic resins. A plurality of fins are provided axially o... | 10/19/1999 |
| 5944140 | Foothold provided with reflectors A foothold provided with reflectors capable of preventing reflectors having different colors from being erroneously attached to the foothold, of securing unity of the positions of the footholds in respect of right and left colors thereof without fixing th... | 08/31/1999 |
| 5944139 | Luminated climbing device for trees and the like A tree step for climbing a vertical structure such as a tree and a pole in a relatively enlightened environment and then descending the vertical structure in a relatively darkened environment. The tree step comprising an attaching structure. A surface eng... | 08/31/1999 |
| 5931257 | Scaffold step A scaffold step including an elongated platform and a number of clamps disposed at spaced-apart positions along the length of the elongated platform. The elongated platform has an openwork construction which sheds dirt and moisture and provides a non-slip... | 08/03/1999 |
| 5908082 | Fire escape ladder A fire escape ladder which includes recessed steps which are mounted into an interior or exterior wall of a house, or the concrete walls of a basement, to provide an escape route to a window. When the ladder is used, the lock to the window is automaticall... | 06/01/1999 |
| 5881837 | Tree climber step assembly The device includes a step and a handle as separate units. The step is made of two steel rods welded together, and having a threaded screw at one end to be driven into a tree. The user detachably attaches the handle to the step, and by swinging the handle... | 03/16/1999 |
| 5868412 | Stairway for flatbed vehicles A vehicle having a horizontal transport platform or bed with steps mounted within the horizontal platform. The vehicle comprises a horizontal platform supported three to four feet above ground by wheels. The platform is reinforced by longitudinal I-beams.... | 02/09/1999 |
| 5848667 | Flexible and foldable marine ladder A folding ladder includes a vertical supporting strap formed from fabric material. The supporting strap has top and bottom ends. The top end of the strap has means, e.g., a fastener, rope or opening, for securing it to a fixed object for holding the ladde... | 12/15/1998 |
| 5810113 | Portable tree climbing device A portable tree climbing device that provides secure hand grip and foot support to a climbing person without causing harmful damage to trees. The device is formed from a single sheet of rigid material and is attached to the tree with a commercially availa... | 09/22/1998 |
| 5806627 | Helicopter stairs A stair construction for a vehicle is attached to the vehicle at a position below a vehicle door and supports the weight of users entering and exiting the vehicle. In the event of forces that tend to bend or push the stairs upward into interference with t... | 09/15/1998 |
| 5772358 | Foothold A foothold of a manhole, a quay, and the like which enables operators to put their feet or foot on a tread in a natural state under a stable condition, and to reduce their fatigue with their feet or knees when they move up and down in a manhole by use of ... | 06/30/1998 |
| 5758891 | Spring step for the rear of vehicles A new spring step for the rear ends of vehicles for facilitating access to the back ends of high vehicles, such as trucks and utility vehicles. The spring step includes a step member having a horizontal upper surface. A pair of semi-rigid members, prefera... | 06/02/1998 |
| 5752579 | Foothold A foothold of a manhole, a quay, and the like which is light and easily handled, and which is excellent in corrosion resistance and strength, and which is easily manufactured and inexpensive and can be recycled. The foothold having a U-shape and comprisin... | 05/19/1998 |
| 5704447 | Snap-in, rope loop step pad An individual step pad which can be incorporated into any loop of rope or dock line. The step pad provides a permanent or temporary rescue and utility footing in combination with a piece of rope. The step pad comprises a step pad portion, the step pad por... | 01/06/1998 |
| 5624007 | Tree step insertion and removal device A device is disclosed for the insertion and removal of rod-type tree steps having vertically spaced apart first and second horizontally disposed sections extending oppositely from a vertically disposed central section. The device has a body portion includ... | 04/29/1997 |
| 5566962 | Truck step guard A device for preventing unauthorized access to the steps of vehicles. The invention includes a hinged door which covers the access steps. The door can be locked from within or without the vehicle cab. When unlocked, the door pivots, thereby allowing a foo... | 10/22/1996 |
| 5544717 | Combination step bolt and harness attachment A combination step bolt and harness attachment for use with transmission structures and the like comprising a rod member having a threaded end portion and nut that is bolted to the tower to form a projecting step bolt, and a flange member, which may be fo... | 08/13/1996 |
