Who invented guard rails

The most common highway guardrail is the galvanized W-Beam, which are longitudinal highway barriers designed to reduce the severity of run-off-road ROR collisions. What are barriers used for? A safety barrier is a component which prevents passage into a dangerous area, commonly used to mitigate risk.

Safety barriers may be hard barriers physically restricting passage or soft barriers that control circuits based on the presence of foreign bodies. What must a guardrail have? Who invented guardrails? On this day in , Samuel R. Garner was granted U. Patent No. The present invention relates to a highway guard rail and has for one of its important objects to provide a device of this character embodying resilient means for supporting the rail in position. Is it a guardrail or guide rail?

A guide rail is a system designed to guide vehicles back to the roadway and away from potentially hazardous situations. There is no legal distinction between a guide rail and a guard rail. Several types of roadway guide rail exist; all are engineered to guide vehicular traffic on roads or bridges. Williams suffered a bruised lung, lower spine injuries and fractures to his leg, upper arm, eye and pelvis, he said by e- mail. He declined to comment further. On the way out of the junkyard, Harman asked whether he could buy the wreck to preserve it as evidence.

A few minutes later, he was back on the highway. Thank you! Please tell us what you liked about it. We have updated our privacy policy to be more clear and meet the new requirements of the GDPR. By continuing to use our site, you accept our revised Privacy Policy. Article 2 Comments Before dawn on Feb. Was this article valuable? Yes No. Please tell us what we can do to improve this article. Submit No Thanks. Here are more articles you may enjoy. Interested in Auto? Get automatic alerts for this topic.

Email This Subscribe to Newsletter. Fasteners may be used in the operative coupling of the rail to the support posts, such that upon impact the fasteners move upwardly with respect to the support posts and the rail moves upwardly along with the fasteners. The guardrail system may further include a reinforcing member that is slidable along the post and operatively coupled to the rail with the fasteners, such that the rail and fasteners slide along with the reinforcing member with respect to the support posts.

The reinforcing member may be a spacer of various shapes, a washer, an additional rail section, or other type of member that allows the rail to slide upwardly with respect to the post. Filed: July 9, Publication date: October 30, Inventors: Steven J.

Abstract: The present invention is directed to a vehicle safety catch fence system, the system comprising: two or more posts; two or more longitudinal cables operatively coupled between the two or more posts; a transverse cable, wherein the transverse cable is operatively coupled to the two or more longitudinal cables; and two or more cable clamps, wherein the two or more cable clamps operatively couple the transverse cable to the two or more longitudinal cables.

Filed: April 11, Publication date: October 23, Applicant: Speedway Motorsports, Inc. Road barrier. Abstract: The present invention provides a roadway barrier or guard rail system which has a post 12 which passes through the carriage 20 with the carriage 20 being free to move up along the post The carriage 20 is prevented from moving down the post 12 by means of a stop or restraint The carriage 20 is not otherwise restrained from moving up the post except by the curved channels through the carriage 20 which engage the extremities of the post, and the friction this may produce.

Filed: March 19, Date of Patent: October 14, Post-cable connection for a roadway barrier. Abstract: A post-cable connection for releasably connecting a cable to a post, for example in a roadway cable barrier system. A hairpin shaped post-cable connector is hung from the top end of a post whereby when the post is impacted and urged toward ground level the cable is released from the post.

The hairpin shaped post-cable connector has an elongated section forming a loop disposing a cable and a top section extending between the elongated section and a hook end section. Filed: September 14, Assignee: Neusch Innovations, LP. Inventor: William Neusch. Abstract: A portable barrier wall used for preventing the passage of people, vehicles, projectiles, blast debris, liquids, wind or waves through the wall. The wall is constructed of one or more x-shaped freestanding support structures arranged in parallel orientation to form a frame for holding retaining members that attach to the support structures.

The retaining members form U-shaped containment structures within each segment of the wall. Fill material is added to the containment structures which are then sealed. Connecting means attach the two support structures together to prevent movement. Wall used to contain liquids may additionally include a liquid impervious layer that is placed external to the retaining member on the side of the barrier wall that will be in contact with liquid and the layer is anchored under the feet of one of the support structures.

The wall may additionally hold absorptive or adsorptive materials to contain spills and contaminants. Filed: September 25, Publication date: October 2, High Speed Raceway Barrier. Publication date: September 11, Abstract: A guardrail extruder head includes: top and bottom feeder channels; an impact plate; a top plate connecting the impact plate to the top feeder channel; a bottom plate connecting the impact plate to the bottom feeder channel; a front extruder plate coupled between the top and bottom plates; a curved deflector plate attached to the front extruder plate and coupled between the top and bottom plates; a front brace on the front extruder plate near the curved deflector plate and coupled between the top and bottom plates; a back extruder plate opposite to the front extruder plate and coupled between the top and bottom plates; a front side plate and a back side plate positioned between the top and bottom feeder channels; a back brace on the back extruder plate near the feeder channels and coupled between the top and bottom plates; and an impact force transfer brace coupled to the front brace and the impact plate.

Filed: February 11, Publication date: August 21, Posts For Road Safety Barrier. Abstract: A road safety barrier having a plurality of ropes supported by posts rigidly mounted on or in the ground is described.

Each rope is held in tension against the posts and supported in a notch or groove in a side of the posts. The ropes are released from a post and the post is not pulled from the ground when a vertical force is exerted on the rope.

The ropes when weaved are tensioned against the posts and this gives rise to a combined frictional resistance to displacement of the ropes relative to each post along the length of the safety barrier. This minimum bending yield strength is greater than the bending moment resulting from the combined frictional resistance forces acting on the post. Filed: April 25, Inventors: Graham T. Sharp, Sean Billingham, John M.

Roadway guardrail system. Filed: January 26, Date of Patent: August 19, Assignee: Nucor Corporation. Abstract: A terminal post for a barrier includes an upright portion having an aperture positioned, so that in use: the aperture is located in a region of the upright portion above a ground engaging portion of the upright portion; and wherein located on one side of the aperture is a transverse reinforcing member which includes a slot for receiving a cable.

At least one groove, or pair of notches is provided located beneath the aperture, and form s a predetermined fail line, along which the post will deform, upon receiving a substantially inline impact, which causes the transverse member to move to release the cable, and wherein the aperture is dimensioned to allow the terminal end of the cable formally retained by the slot to pass therethrough.

Publication date: August 7, Inventor: Dallas Rex James. Improved Barrier Construction. Abstract: A roadway, guard rail or safety barrier having a post and beam construction wherein the beam is mounted to the post by means of a carriage, the beam being secured to the carriage by a securement means, the carriage being adapted to travel longitudinally relative to the post in the event of a collision, the post further including at least one carriage support means, and one or more engagement means on an outer face of the post, the engagement means being adapted to be engaged by the securement means to provide resistance to movement of the carriage with respect to the post, wherein the carriage is sized and shaped so as to not engage or to minimise engagement with the engagement means during the movement.

Filed: May 16, Publication date: July 31, Abstract: A pedestrian and vehicle barrier system is provided for attaching handrails onto vehicle guardrail barriers. Movement may be further restricted by fasteners. Handrails or other auxiliary barriers may be attached to a top end of the support post member. Filed: January 22, Publication date: July 24, Inventor: Ian Philip Rowland.

Water-ballasted protection barriers and methods. Abstract: A water-ballasted molded plastic barrier system incorporates barrier segments wherein each segment employs a sawtooth reflective design, designed to prevent the tire of a vehicle, impacting the barrier, from climbing up the side of the barrier segment.

Adjacent barrier segments are attached together using an interlocking knuckle design, having a lug pin connection system. Wire rope cable assemblies are internally molded into each barrier segment to create an impenetrable cable fence. The wire rope cable assemblies include steel bushings which are molded into the interlocking knuckles to further strengthen the barrier system.

Filed: July 22, Date of Patent: July 22, Assignee: TrafFix Devices, Inc. Inventors: Jack H. Kulp, Felipe Almanza, Geoffrey B. Maus, Paul Burlingham. End treatments and transitions for water-ballasted protection barrier arrays. Abstract: An end treatment array for crash attenuation includes a transition barrier module formed of side walls, end walls, a top wall, and a bottom wall, wherein the module walls together define an enclosed interior space.

The end treatment array further includes a containment impact sled having an axially extending frame. The frame has a width sufficient to contain the transition barrier module within the frame when in an assembled configuration, and has an axial length which is at least one-half the length of the transition barrier module. The frame defines an interior volume, the purpose of which is to contain a substantial portion of the transition barrier module in the assembled configuration, and to contain debris caused by destruction of the plastic barrier modules in a vehicular impact.

The containment impact sled is attached to the transition barrier module. Filed: February 10, Date of Patent: July 15, Assignee: Traffix Devices, Inc. Inventors: Geoffrey B. Maus, Felipe Almanza, Jeremy W. Single-wave beam guardrail plate and single-wave beam steel guardrail. Abstract: A waveform beam guardrail plate and a waveform beam steel guardrail are provided. In which, the guardrail plate includes a main body 15 and two rings 16, 17 with a same structure installed axial symmetrically on an upper and a lower edges of the main body; furthermore, a transverse section of the main body has an arc shape, and the upper and lower edges of the main body of the guardrail plate are curled inwardly and helically toward a protruding direction of the main body of the guardrail plate for forming the two rings 16, There should not be any single steps.

Guardrail systems shall be capable of withstanding, without failure, a force of at least pounds N applied within 2 inches 5. Generally, fall protection can be provided through the use of guardrail systems, safety net systems, or personal fall arrest systems. OSHA refers to these systems as conventional fall protection.

Other systems and methods of fall protection may be used when performing certain activities. Neither standard requires fall protection for workers on portable ladders.

Portable ladders extension, A-frame or stepladder are freestanding. Keep in mind, the type of fall protection that OSHA requires is not a personal fall arrest system. OSHA has determined that when a standard guardrail is not feasible because it would result in impairment of the work being performed alternate protection may be provided for employees.

A tie-off system is acceptable as a method of meeting the intent of Section Prior to putting on any harness, it must be inspected.

Not just the new employee, but the employee who has been wearing the same harness and lanyard since the job started. Yes, this means all harness users must perform a daily inspection. Guardrail height—The height of the toprail for scaffolds manufactured and placed in service after January 1, must be between 38 inches 0. Begin typing your search term above and press enter to search. Press ESC to cancel. Skip to content Home Physics Do guardrails have three main parts?

Ben Davis June 22,