Class / Patent application number | Description | Number of patent applications / Date published |
405282000 | Trench shoring | 21 |
20080219777 | Trench Shoring Extraction Device - A hydraulic lifting device including a main beam, two or more connection plates fixedly connected to the main beam, at least two legs, each leg pivotably attached to two of the plates, at least two hydraulic cylinders, each cylinder disposed between the beam and one of the legs, and two or more load connectors. | 09-11-2008 |
20090103986 | Assembly For Covering a Trench - An assembly suitable for temporarily covering a trench comprises an anti-slip tile ( | 04-23-2009 |
20090110490 | Method and Device for Shoring Trenches - A method and device for shoring trenches includes insertion of a first couple of lining plates into a ditch. A stiff bracing frame may be guided within a first couple of linear guides between the two lining plates, one linear guide being connected to one lining plate. A second couple of lining plates may be guided between the first lining plates and inserted into the ditch. A second couple of linear guides may be inserted between the first linear guides, one of the second linear guides being connected to one of the second lining plates, and the second linear guides being kept at a distance using a brace. The bracing frame between the first linear guides may be removed, and the second lining plates and the second linear guides may be lowered while the stiff bracing frame is inserted between the first linear guides when the ditch is dug deeper. | 04-30-2009 |
20100054869 | Shoring beam extension and reinforcement assembly - A shoring beam extension and reinforcement assembly allows a user to removably connect a plurality of shoring beams together so as to customize a support assembly to a particular excavation site. In use, main shoring beams extending around the periphery of an excavation site are connected at the corners by corner connections and are connected along the longitudinal sides of the excavation site by the extension of reinforcement assembly. Additionally, the first and second connectors support a center shoring beam laterally across the excavation site. The assembly is provided with additional support by tabs extending from each of the first and second connectors. Reinforcing beams include tabs having apertures adapted to align with apertures in the tabs of the first and second connectors such that connecting pins may be inserted there through to connect the reinforcing beams with the connectors. Eyelets located on the first and second connectors provide a means by which the assembly may be supported. | 03-04-2010 |
20100104378 | TEMPORARY SAFETY BOX FOR ASSISTANCE IN EXCAVATION OF FOUNDATION - A temporary safety box for assistance in excavation of an associated below grade foundation wall is placed in an associated trench located adjacent the associated foundation wall. The safety box comprises a wall member including an inner surface, an outer surface, a first end face and a second end face. The inner surface faces the associated foundation wall and includes a reinforcing element for providing strength and rigidity to the wall member. The outer surface abuts a wall of the associated trench and is configured to assist in removal of the safety box from the associated trench. The first and second end faces abut the associated foundation wall. The safety box and the associated foundation wall together substantially surround a worker in the associated trench to protect the worker from excavated debris. | 04-29-2010 |
20100209199 | INTERLOCKING SHORING PANEL AND METHODS OF USE THEREOF - The present invention is an interlocking shoring panel for excavation and methods of use. In one preferred embodiment the panel comprises a top edge, a bottom edge, a first side edge, a second side edge, an inner surface and an outer surface. The edges have attachment means such as complementary interlocking features for connecting the panel to one or more adjacent shoring panels. The inner surface having two or more horizontal channels and two or more vertical support struts at spaced intervals along the length of the shoring panel. A plurality of shoring panels are interconnected to form a shoring ring, and a plurality of shoring rings are interconnected to form a shoring structure. | 08-19-2010 |
20130017021 | SHEETING PANELS FOR TRENCH SHORING - A substantially rectangular trench shoring sheeting panel made primarily of polyethylene includes at least one pair of hand holes. In some embodiments, the sheeting panel includes a plurality of buttons protruding outwardly from one of the sheeting panel's surfaces. As compared to three-quarter inch FinnForm, the polyethylene sheeting panel typically has (i) equivalent or superior structural properties and (ii) a significantly lower useful-life cost. | 01-17-2013 |
20130108375 | SHORING BOX & RELATED METHODS | 05-02-2013 |
20140169889 | TRENCH SHORING APPARATUSES - Trench shoring apparatuses configured to be moved by construction equipment and including major vertical arms, struts attached to the lower ends of the major vertical arms, connectors rigidly connected to the major vertical arms proximate the upper ends of the major vertical arms, the connectors being configured to detachably couple with the construction equipment. In some examples, struts include strut arms movably supported by the major vertical arm and strut actuators configured to selectively extend and retract the strut arm laterally across trenches, the strut arms being configured to pair with shoring plates proximate outer ends. In some examples, connectors include first retaining arms and second retaining arms extending transverse to the major vertical arm. In some examples, connectors include metallic rings defining openings sized to receive projections of construction equipment. Some examples include remote control receivers and remote control transmitters in electronic communication with the remote control receivers. | 06-19-2014 |
20140270987 | SUPPORT FOR AN EXCAVATION - A support has an expandable enclosure for use in an excavation. The enclosure is expandable, on introduction of a fluid to the enclosure, from an unexpanded configuration to an expanded configuration. The enclosure is configured such that when the enclosure is in the expanded configuration, and is located in the excavation, pressure exerted by the fluid on an internal surface of the enclosure is sufficient to provide support for at least one wall of the excavation. | 09-18-2014 |
20140314500 | SHORING BOX & RELATED METHODS - A shoring box having frame supports coupled to lateral spreader bars. The shoring box is configured to accept exterior panels in a manner capable of providing vertical translation about an exterior surface of the shoring box. The shoring box is further configured to accept a plurality of interior panels in a manner capable of providing customizable shoring above and below utility lines, pipes, duct banks, and the like. In this regard, the shoring box is adapted to shore around one or more obstructions within an excavation, trench, or hole. | 10-23-2014 |
20140377015 | SHEETING PANELS FOR TRENCH-SHORING SYSTEMS - A substantially rectangular trench shoring sheeting panel made primarily of polyethylene includes at least one pair of hand holes. In some embodiments, the sheeting panel includes a plurality of buttons protruding outwardly from one of the sheeting panel's surfaces. As compared to three-quarter inch FinnForm, the polyethylene sheeting panel typically has (i) equivalent or superior structural properties and (ii) a significantly lower useful-life cost. | 12-25-2014 |
20150010367 | TRENCH BOX WITH PLANE WALLS - The present invention relates to both a trench box, the use of a trench box and the method for using said trench box. When assembled, said trench box comprises at least two oppositely placed side walls, each side wall having a thickness, a length and a height, an outer wall area and an inner wall area, said trench box further comprising a number of distance struts. Said distance struts are arranged to be secured between said oppositely placed side walls. A trench box according to the invention is new in that a side wall comprises at least a frame part with a first thickness, a length and a height being substantially the same as the length and height of the side wall, said side wall further comprising a centre part placed inside the frame part, said centre part having a second thickness and comprising one or more strengthening elements, and said side wall further comprising a cover on the outer area of the side wall. Said cover comprises at least one plate, wherein the at least one plate is substantially plane and without corrugations. | 01-08-2015 |
20150043977 | INTERLOCKING SHORING PANELS - The present invention is an interlocking shoring panel for excavation with implied methods of use. In one preferred embodiment the panel comprises a top edge, a bottom edge, a first side edge, a second side edge, an inner surface and an outer surface. The edges have attachment means such as complementary interlocking features for connecting the panel to one or more adjacent shoring panels. The inner surfaces have two or more horizontal channels and two or more vertical support struts at spaced intervals along the length of the shoring panel. A plurality of shoring panels are interconnected to form a shoring ring, and a plurality of shoring rings are interconnected to form a shoring structure. | 02-12-2015 |
20160108599 | TRENCHING PANELS, PANEL ASSEMBLY, SYSTEM AND METHOD - A panel for shoring a wall of a trench, the panel including an outer face arranged to face the wall, an opposing inner face, opposing sides, a top end and a bottom end, wherein the panel includes fixed couplings located at or adjacent to the inner face and toward the opposing sides, the fixed couplings being adapted to couple with a removable coupling which is inter-connectable in a first installed condition between a respective one of the fixed couplings of the panel and a respective one of the fixed couplings of an adjacent further panel. A panel assembly including at least two panels and a removable coupling is also disclosed as well as a system and method including interchangeable panels and couplings that allow for the formation of trenching supports in a variety of geometric configurations. | 04-21-2016 |
405283000 | Shield type | 6 |
20080247831 | Device and method for transporting trench boxes - A handling device for depositing a trench box into an open excavation is provided. The handling device includes at least one reciprocal trench box wall contact member movable along a first axis; motor means for selective movement of the wall contact member; and a coupling for attaching the contact member and the motor means to a prime mover for selectively moving the handling device along an axis generally perpendicular to the first axis. A system including the handling device and a trench box having a plurality of apertures engageable with the at least one wall contact member, and a method for depositing a trench box in an open excavation, are also provided. | 10-09-2008 |
20090047074 | CENTER BEAM CONNECTION ASSEMBLY FOR TEMPORARY SHORING - A center beam connection assembly for temporary shoring includes a pair of end-caps adapted to fit over respective ends of a center shoring beam. Arms extending from each end-cap engage a web of a main shoring beam in a excavation site shoring system. The end-caps may be used alone, or in combination with reinforcing and spacer bars. Reinforcing bars include first and second hooks adapted to connect to a main shoring beam and a center shoring beam, respectively. When utilized, each spacer bar is connected to at least one tab on an end-cap and at least one tab on a reinforcing bar via connecting pins. In this manner, one or more center shoring beams can span an excavation hole to provide removable, reusable and temporary support for a shoring system. | 02-19-2009 |
20100034597 | TRENCH SHIELD WITH ADJUSTABLE VERTICAL PANELS - A trench shoring or shielding unit, for securing the sidewalls of an earthen formation, trench or excavation, includes a plurality of adjustable, vertically arranged panels forming a protective wall. As a shielding unit, two opposing protective walls are spaced and attached by at least two spreader bars. Each adjustable panel has opposing top and bottom ends, a C-shaped channel traversing the panel's height, and opposing side edges that inter-engage with the side edges of adjacent panels. Further, each adjustable panel is attached to at least one of two or more whalers along an inner surface of the panel by a clamp-like fastener having a bolt passing through the whaler and into the C-shaped channel of the corresponding panel. The inter-engaging side edges are segmented, preferable concave and convex, so that adjacent adjustable panels inter-engage to resist lateral torque or twisting that may be caused by shifting or collapse of the excavation. | 02-11-2010 |
20110305528 | TRENCH SHORING APPARATUSES AND METHODS - A self-propelled trench shoring apparatus including a frame having a first lateral member, a second lateral member spaced from the first lateral member, a connecting member extending between the first lateral member and the second lateral member, a first support member projecting from the first lateral member toward the ground, and a second support member projecting from the second lateral member toward the ground, a ram assembly attached to the frame including a telescoping arm including a first end proximate the frame and a second end opposite the first end, the telescoping arm extending between a retracted position and an extended position, and a strut attached to the second end of the telescoping arm and including first end proximate the first lateral trench wall and a second end opposite the first end, the strut including a strut extender configured to selectively extend and retract laterally, a including first plate coupler attached to the first end of the strut, and a second plate coupler attached to the second end of the strut. | 12-15-2011 |
20110305529 | TRENCH SHORING APPARATUSES AND METHODS - Trench shoring apparatuses including an arm connected to a connector and extending to a first end substantially toward the ground, a strut attached to the first end of the arm, the strut including a first strut arm and a second strut arm and configured to drive and retract a first shoring plate connected to a first strut arm proximate a first lateral trench wall and a second shoring plate connected to a second strut arm proximate a second lateral trench wall. In some examples, the trench shoring apparatuses include a connector configured to detachably connect to a coupler of a piece of construction equipment. In other examples, the trench shoring apparatuses include plate extenders that extend and retract along the length of a longitudinally extending trench. In yet other examples, the trench shoring apparatuses may include detachable braces used to provide additional shoring support to the shoring plates. | 12-15-2011 |
20160060839 | SHEETING PANELS AND SHEETING-PANEL SYSTEMS - A trench-shoring sheeting panel includes a rectangular-shaped polyethylene sheet having opposing primary surfaces and four corners, a planar support structure embedded in the polyethylene sheet, a plurality of hand hold apertures formed in the polyethylene sheet, a plurality of corner holes positioned adjacent to the four corners, and a plurality of protrusions positioned on at least one of the primary surfaces. | 03-03-2016 |