US2295205A - Highway traffic barrier - Google Patents

Highway traffic barrier Download PDF

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Publication number
US2295205A
US2295205A US310423A US31042339A US2295205A US 2295205 A US2295205 A US 2295205A US 310423 A US310423 A US 310423A US 31042339 A US31042339 A US 31042339A US 2295205 A US2295205 A US 2295205A
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Prior art keywords
gate
turntable
drum
rotation
base plate
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Expired - Lifetime
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US310423A
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Fraser Edwin Stanton
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
    • E01F13/044—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage the barrier being formed by obstructing members situated on, flush with, or below the traffic surface, e.g. with inflatable members on the surface
    • E01F13/046—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage the barrier being formed by obstructing members situated on, flush with, or below the traffic surface, e.g. with inflatable members on the surface the obstructing members moving up in a translatory motion, e.g. telescopic barrier posts

Definitions

  • This invention aims to provide a exble barrier, adapted to extend across a roadway at a place of danger, for instance near a railroad track, for the purpose of stopping gradually and definitely, a vehicle which may be advanced against the barrier.
  • the invention aims to provide novel. means for mounting, operating and controlling the barrier.
  • FIG. 1 shows in elevation, a device constructed in accordance with the invention
  • Fig. 2 is a top plan, somewhat diagrammatic in nature
  • Fig. 3 is a vertical sectional view wherein parts remain in elevation, the gate being raised;
  • Fig. 4 is a vertical sectional view showing the gate depressed
  • Fig. 5 is a section on the line 5 5 of Fig. 4.
  • the numeral I marks a roadway, provided with a transverse slot 2. On each side of the roadway I there is a foundation 3, there being a pit 32 between the foundation 3 and the roadway I.
  • a base plate 4 is secured on top of each foundation 3.
  • a turntable 5 is mounted to rotate on the base plate 4.
  • the turntable 5 and the base plate 4 are supplied with lugs 6 which interengage, under some instances, to limit the rotation of the turntable.
  • the turntable 5 has an upstanding rim 1. Within the rim 'I is disposed a friction shoe 8.
  • a fixed hollow shaft 9 is secured to the base plate 4.
  • a multi-sheave drum I0 is mounted to rotate on the shaft 9 and is held thereon, against upward movement, by a retainer II, engaged at its lower end with the base plate 4.
  • the working parts of the device may be contained within a removable housing I2, surrounding the base plate 4 and supported on the foundation 3.
  • T levers I4 Oppositely-disposed T levers I4 are supplied.
  • the T levers I4 are fulcrumed at I5 on the foundation 3.
  • Weights I6 are carried by the Shanks 55 of the T levers I4.
  • the outer endsoi links I'I are pivoted to the upper ends ofthe heads of the T levers I4, the inner ends of the links being pivoted to the turntable 5.
  • the links I'I work through openings in the housing I2.
  • Flexible elements I8 are wound about the drum I0 and extend outwardly through one,l of the openings in the housing I2. Above the. roadway I,r the fiexible elements I8 are joined together, as shown at I9, to form a flexible gate 20' which, when depressed, will enter the slot 2 ofthe roadway I.
  • a gate depressor is provided, and including radius arms 2i having their inner ends pivoted to. an ear 22 on the foundation 3, for vertical swinging movement.
  • are pivoted to a connection 23 having inclined guides or shoulders 2'4, under which. the exible elements I3 pass.
  • the flexible elements I8 pass, also, above guides or shoulders 25 on a vertical post 26 carried by the foundation 3.
  • the upper end of an intermediate tie 21 is pivoted to the uppermost radius arm 2
  • the pivot element 28 connects to the lower radius arm 2I, a piston plunger 29, mounted to reciprocate in a cylinder 30, pivotally mounted at 3
  • the numeral 33 marks a source of fluid air pressure supply for the cylinder 3B.
  • the cylinder 30 and associated parts may be replaced by an electrical mechanism, the showing of Fig. 4 being unchanged.
  • the part 30 is the coil of a solenoid magnet, the part 29 being an armature responsive to the coil, and the element 33 representing a part of the .circuit of the magnet coil.
  • the lugs 6 of the turntable 5 and of the base plate 4 are spaced apart.
  • drum l is rotated until the lugs 6 of the turn ⁇ table ⁇ 5 4and of the .base plate 4 come into engagement and, thereafter, the rotation of the turntable 5 is stopped.
  • the drum l0 continues to rotate and pay off the llexible elements I8, but such a rotation of the drum is controlled, owing to the presence of the friction shoe 8.
  • the ordinary operation of the device comprises the raising and lowering of the gate 20, between the positions shown in Figs. 3 and 4; but if a Ivehircle strikes the gate 20, the exible elements I 8, the drum l0 and associated parts alford an eicient means for checking gradually, the forward movement otf the vehicle.
  • drums mounted for rotation on opposite sides of a highway, means for retarding the rotation of the drums, a ilexible element wound about the drums, a gate interposed in the exible element, and means under the control of an operator for depressing the gate, said means having shoulders, the flexible element passing in a continuous length detachably beneath the shoulders, for release therefrom under vehicle impact.
  • drums mounted for rotation on opposite sides of a highway, means for retarding the rotation of the drums, a exible element wound about the drums, a gate interposed in the flexible element, .
  • a radius arm mounted for vertical swinging movement, a guide carried -by the radius arm and retaining the flexible element detachably, for release under Vehicle impact, and means under the control of an operator for raising and lowering the radius anm, the flexible element and the gate.
  • a parallelogram frame comprising piVotally :connected parts, one of said parts being an inner end member of the frame, means :for mounting the frame at its outer portion for vertical swinging movement, means under the control of an operator for swinging the frame downwardly, a gate, flexible elements connected to the gate and mounted on the end member for release under vehicle impact, and means for automatically drawing upon the flexible elements, t0 raise the gate and the frame.
  • a turntable mounted for rotation a drum mounted for rotation, a retarding, slip-connection between the turntable and the drum, a gate, a flexible element connected to the gate and wound about the drum, means releasable from a lowered
  • a trafc control constructed as set forth in claim 4, and wherein said mechanism comprises a lever and a fulcr-um therefor, a weight carried -by the lever, and a link pivoted to the lever and to the turntable.
  • a drum mounted for rotation on one side of a highway, means for retarding the rotation of the drum, a ilexilole element wound -about the drum, a gate interposed in the flexible element, means for mounting the flexible element at the opposite side of a highway, a radius arm mounted for vertical swinging movement, a guide :carried -by the radius arm and retaining the flexible element detachably, for release under Vehicle impact, and means under the control of an operator for raising and lowering the radius arm, the flexible element and the gate.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Description

Sept. 8, 1942. I
E. s. FRASER HIGHWAY TRAFFIC BARRIER Filed Dec. 2l, 1959 2 Sheets-Sheet l E'llvaselv INVENToR.
' ATTORNEYS E. S. FRASER Y HIGHWAY TRAFFIC BARRIER sept; s, '1942.
Filed nec; 21, 1959 2 Sheets-Sheet 2 IN V EN TOR A TTORNEYS.
fm2/@werf Patented Sept. 8, 1942 Ueli-Ten srgg TEN'E" @EFICIE- 6 Claims.
This invention aims to provide a exble barrier, adapted to extend across a roadway at a place of danger, for instance near a railroad track, for the purpose of stopping gradually and definitely, a vehicle which may be advanced against the barrier. The invention aims to provide novel. means for mounting, operating and controlling the barrier.
It is within the province of the disclosure to improve generally and to enhance the utility of devices of that type to which the present invention appertains.
With the above and other objects in view, which will appear as the description proceeds, the invention resides in the combination and arrangement of' parts and in the details of construction hereinafter described and claimed, it being understood that changes in the precise embodiment of the invention herein disclosed, may be made within the scope of what is claimed, without departing from the spirit of the invention.
In the accompanying drawings:
Fig. 1 shows in elevation, a device constructed in accordance with the invention;
Fig. 2 is a top plan, somewhat diagrammatic in nature;
Fig. 3 is a vertical sectional view wherein parts remain in elevation, the gate being raised;
Fig. 4 is a vertical sectional view showing the gate depressed;
Fig. 5 is a section on the line 5 5 of Fig. 4.
The numeral I marks a roadway, provided with a transverse slot 2. On each side of the roadway I there is a foundation 3, there being a pit 32 between the foundation 3 and the roadway I.
A base plate 4 is secured on top of each foundation 3. A turntable 5 is mounted to rotate on the base plate 4. The turntable 5 and the base plate 4 are supplied with lugs 6 which interengage, under some instances, to limit the rotation of the turntable. The turntable 5 has an upstanding rim 1. Within the rim 'I is disposed a friction shoe 8.
A fixed hollow shaft 9 is secured to the base plate 4. A multi-sheave drum I0 is mounted to rotate on the shaft 9 and is held thereon, against upward movement, by a retainer II, engaged at its lower end with the base plate 4. The working parts of the device may be contained within a removable housing I2, surrounding the base plate 4 and supported on the foundation 3.
Oppositely-disposed T levers I4 are supplied. The T levers I4 are fulcrumed at I5 on the foundation 3. Weights I6 are carried by the Shanks 55 of the T levers I4. The outer endsoi links I'I are pivoted to the upper ends ofthe heads of the T levers I4, the inner ends of the links being pivoted to the turntable 5. The links I'I work through openings in the housing I2.
Flexible elements I8 are wound about the drum I0 and extend outwardly through one,l of the openings in the housing I2. Above the. roadway I,r the fiexible elements I8 are joined together, as shown at I9, to form a flexible gate 20' which, when depressed, will enter the slot 2 ofthe roadway I.
A gate depressor is provided, and including radius arms 2i having their inner ends pivoted to. an ear 22 on the foundation 3, for vertical swinging movement. The outer ends of the radius arms 2| are pivoted to a connection 23 having inclined guides or shoulders 2'4, under which. the exible elements I3 pass. The flexible elements I8 pass, also, above guides or shoulders 25 on a vertical post 26 carried by the foundation 3. The upper end of an intermediate tie 21 is pivoted to the uppermost radius arm 2|, the lower end of the tie being connected by a pivot element 28 with the lower radius arm 2i, The pivot element 28 connects to the lower radius arm 2I, a piston plunger 29, mounted to reciprocate in a cylinder 30, pivotally mounted at 3| in the pit 32. The numeral 33 marks a source of fluid air pressure supply for the cylinder 3B.
The cylinder 30 and associated parts may be replaced by an electrical mechanism, the showing of Fig. 4 being unchanged. Under such circumstances, the part 30 is the coil of a solenoid magnet, the part 29 being an armature responsive to the coil, and the element 33 representing a part of the .circuit of the magnet coil.
When the parts are arranged las shown in Fig. 4, the gate 20 has been carried down into the roadway slot 2, at the will of an operator, responsive to the radius arms 2I and the mechanism shown at 29--30. Traffic then can proceed freely over the roadway I. When the parts are arranged as shown in Fig. 4, the lugs 6 of the turntable 5 and the base plate 4 are in engagement.
When the mechanism shown at 30-29 is released, the flexible elements I8 are reeled on the drums I0, the gate 20 and the gate depressor 2 I-23 being raised by the cables.
With the .parts arranged as shown in Fig. 3, the lugs 6 of the turntable 5 and of the base plate 4 are spaced apart.
When a vehicle encounters the gate 20, the gate and the flexible elements I8 are lbowed forwardly, and slide ofi' the guides 24 and 25 of Fig. 4. The
drum l is rotated until the lugs 6 of the turn` table `5 4and of the .base plate 4 come into engagement and, thereafter, the rotation of the turntable 5 is stopped. The drum l0 continues to rotate and pay off the llexible elements I8, but such a rotation of the drum is controlled, owing to the presence of the friction shoe 8.
The ordinary operation of the device comprises the raising and lowering of the gate 20, between the positions shown in Figs. 3 and 4; but if a Ivehircle strikes the gate 20, the exible elements I 8, the drum l0 and associated parts alford an eicient means for checking gradually, the forward movement otf the vehicle.
Having thus described the invention, what is claimed is:
1. In a traffic control, drums mounted for rotation on opposite sides of a highway, means for retarding the rotation of the drums, a ilexible element wound about the drums, a gate interposed in the exible element, and means under the control of an operator for depressing the gate, said means having shoulders, the flexible element passing in a continuous length detachably beneath the shoulders, for release therefrom under vehicle impact.
2. In a traic control, drums mounted for rotation on opposite sides of a highway, means for retarding the rotation of the drums, a exible element wound about the drums, a gate interposed in the flexible element, .a radius arm mounted for vertical swinging movement, a guide carried -by the radius arm and retaining the flexible element detachably, for release under Vehicle impact, and means under the control of an operator for raising and lowering the radius anm, the flexible element and the gate.
3. In a trafic control, a parallelogram frame comprising piVotally :connected parts, one of said parts being an inner end member of the frame, means :for mounting the frame at its outer portion for vertical swinging movement, means under the control of an operator for swinging the frame downwardly, a gate, flexible elements connected to the gate and mounted on the end member for release under vehicle impact, and means for automatically drawing upon the flexible elements, t0 raise the gate and the frame.
4. In a vehicle control, a turntable mounted for rotation, a drum mounted for rotation, a retarding, slip-connection between the turntable and the drum, a gate, a flexible element connected to the gate and wound about the drum, means releasable from a lowered |position for lowering the gate, the flexible element being releasably engaged with said means, for detachment under Vehicle impact, and mechanism for rotating the turntable automatically, to draw upon the flexible element and raise the gate and said means.
5. A trafc control, constructed as set forth in claim 4, and wherein said mechanism comprises a lever and a fulcr-um therefor, a weight carried -by the lever, and a link pivoted to the lever and to the turntable.
6. In a traiic control, a drum mounted for rotation on one side of a highway, means for retarding the rotation of the drum, a ilexilole element wound -about the drum, a gate interposed in the flexible element, means for mounting the flexible element at the opposite side of a highway, a radius arm mounted for vertical swinging movement, a guide :carried -by the radius arm and retaining the flexible element detachably, for release under Vehicle impact, and means under the control of an operator for raising and lowering the radius arm, the flexible element and the gate.
EDWIN STANTON FRASER.
US310423A 1939-12-21 1939-12-21 Highway traffic barrier Expired - Lifetime US2295205A (en)

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2483655A (en) * 1947-07-21 1949-10-04 All American Airways Inc Aircraft arresting apparatus
US3471130A (en) * 1968-01-29 1969-10-07 Ray E Sev Roadblock apparatus
US3876197A (en) * 1973-08-06 1975-04-08 Marvin G Jenson Circular boxing ring
US3917231A (en) * 1974-04-01 1975-11-04 Inglis Nurseries Inc Flexible traffic barrier
FR2433090A1 (en) * 1978-08-11 1980-03-07 British Airports Authority Extensible barrier for dividing different floor areas - has upright post with cavity for tape reel and spring biased device to control drawing out of tape
FR2504952A1 (en) * 1981-05-04 1982-11-05 Ruau Prosper Vehicle barrier for roads - uses pneumatic ram to raise or lower chain between two posts
FR2592412A1 (en) * 1985-12-30 1987-07-03 Flahaut Herve Controlled access device for vehicles
US4759655A (en) * 1987-06-16 1988-07-26 Flexible Barricades Inc. Terrorist vehicle arresting system
US5245787A (en) * 1992-04-23 1993-09-21 Swenson Kermit L Cable gate apparatus
US6896443B1 (en) * 1999-07-06 2005-05-24 General Dynamics Ots (Aerospace), Inc. Vehicle capture barrier
US20050211389A1 (en) * 2004-03-25 2005-09-29 Snyder Ronald P Retractable safety barrier
US20060124252A1 (en) * 2004-12-14 2006-06-15 Rite-Hite Holding Corporation Vertically movable door with safety barrier
US20060137261A1 (en) * 2004-12-14 2006-06-29 Rite-Hite Holding Corporation Alarm system for a loading dock
US20080127435A1 (en) * 2004-12-14 2008-06-05 Paul Maly Alarm system for a loading dock
US8087443B2 (en) 2007-07-06 2012-01-03 Rite-Hite Holding Corporation Retractable safety barriers and methods of operating same
US8590087B2 (en) 2004-12-14 2013-11-26 Rite-Hite Holding Corporation Lighting and signaling systems for loading docks
US11697910B2 (en) 2019-08-21 2023-07-11 Rite-Hite Holding Corporation Impact resistant retractable safely barriers

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2483655A (en) * 1947-07-21 1949-10-04 All American Airways Inc Aircraft arresting apparatus
US3471130A (en) * 1968-01-29 1969-10-07 Ray E Sev Roadblock apparatus
US3876197A (en) * 1973-08-06 1975-04-08 Marvin G Jenson Circular boxing ring
US3917231A (en) * 1974-04-01 1975-11-04 Inglis Nurseries Inc Flexible traffic barrier
FR2433090A1 (en) * 1978-08-11 1980-03-07 British Airports Authority Extensible barrier for dividing different floor areas - has upright post with cavity for tape reel and spring biased device to control drawing out of tape
FR2504952A1 (en) * 1981-05-04 1982-11-05 Ruau Prosper Vehicle barrier for roads - uses pneumatic ram to raise or lower chain between two posts
FR2592412A1 (en) * 1985-12-30 1987-07-03 Flahaut Herve Controlled access device for vehicles
US4759655A (en) * 1987-06-16 1988-07-26 Flexible Barricades Inc. Terrorist vehicle arresting system
US5245787A (en) * 1992-04-23 1993-09-21 Swenson Kermit L Cable gate apparatus
US6896443B1 (en) * 1999-07-06 2005-05-24 General Dynamics Ots (Aerospace), Inc. Vehicle capture barrier
US20060213626A1 (en) * 2004-03-25 2006-09-28 Rite-Hite Holding Corporation Retractable safety barrier
US7207370B2 (en) 2004-03-25 2007-04-24 Rite-Hite Holding Corporation Retractable safety barrier
US7337822B2 (en) 2004-03-25 2008-03-04 Rite-Hite Holding Corporation Retractable safety barrier
US20060191644A1 (en) * 2004-03-25 2006-08-31 Snyder Ronald P Retractable safety barrier
US20050211389A1 (en) * 2004-03-25 2005-09-29 Snyder Ronald P Retractable safety barrier
US7237591B2 (en) 2004-03-25 2007-07-03 Rite-Hite Holding Corporation Retractable safety barrier
US7380375B2 (en) 2004-12-14 2008-06-03 Rite-Hite Holding Corporation Alarm system for a loading dock
US20110000626A1 (en) * 2004-12-14 2011-01-06 Miller Jason D Vertically movable door with safety barrier
US20060137261A1 (en) * 2004-12-14 2006-06-29 Rite-Hite Holding Corporation Alarm system for a loading dock
US20060124252A1 (en) * 2004-12-14 2006-06-15 Rite-Hite Holding Corporation Vertically movable door with safety barrier
US20080127435A1 (en) * 2004-12-14 2008-06-05 Paul Maly Alarm system for a loading dock
US7775252B2 (en) 2004-12-14 2010-08-17 Rite-Hite Holding Corporation Vertically movable door with safety barrier
US7832451B2 (en) 2004-12-14 2010-11-16 Rite-Hite Holding Corporation Vertically movable door with safety barrier
US20070079942A1 (en) * 2004-12-14 2007-04-12 Snyder Ronald P Vertically movable door with safety barrier
US8590087B2 (en) 2004-12-14 2013-11-26 Rite-Hite Holding Corporation Lighting and signaling systems for loading docks
US8453705B2 (en) 2004-12-14 2013-06-04 Rite-Hite Holding Corporation Vertically movable door with safety barrier
US8547234B2 (en) 2004-12-14 2013-10-01 Rite-Hite Holding Corporation Alarm system for a loading dock
US8490668B2 (en) 2007-07-06 2013-07-23 Rite-Hite Holding Corporation Retractable safety barriers and methods of operating same
US8087443B2 (en) 2007-07-06 2012-01-03 Rite-Hite Holding Corporation Retractable safety barriers and methods of operating same
US11697910B2 (en) 2019-08-21 2023-07-11 Rite-Hite Holding Corporation Impact resistant retractable safely barriers

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