US2949324A - Flexible sign post - Google Patents

Flexible sign post Download PDF

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Publication number
US2949324A
US2949324A US800021A US80002159A US2949324A US 2949324 A US2949324 A US 2949324A US 800021 A US800021 A US 800021A US 80002159 A US80002159 A US 80002159A US 2949324 A US2949324 A US 2949324A
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post
head
extended
spring
section
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US800021A
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Birge Homer
Latham Leonard
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/60Upright bodies, e.g. marker posts or bollards; Supports for road signs
    • E01F9/623Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection
    • E01F9/627Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection self-righting after deflection or displacement
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2200/00Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/50Flanged connections
    • F16B2200/503Flanged connections the flange being separate from the elements to be connected
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/45Flexibly connected rigid members
    • Y10T403/459Helical spring type coupling

Definitions

  • This invention relates to posts for supporting signs, such as used on highways, parking meters, mail boxes and signs of motels, and in particular a flexible section in a sign post including inner and outer coil springs with the spring assembly mounted on the upper end of a post inserted in the ground and with a sign carrying section of the post clamped in the upper end of the spring assembly.
  • the purpose of this invention is to provide a post for signs, particularly at the sides of highways whereby upon engagement of a vehicle with the sign the post yields preventing damage to the sign or vehicle and after passing of the vehicle the sign returns to the conventional upright position.
  • this invention contemplates a sign post including upper and lower sections in which the sections are connected by a spring assembly in which the springs are so arranged that the upper section of the post may bend to substantially any angle, and after a vehicle passes, return to an upright position.
  • the object of this invention is, therefore, to provide a flexible section in a post whereby the portion of the post above the ground may bend to a horizontal position and wherein the flexible section returns the upper portion of the post to a vertical position when said upper portion is released.
  • Another object of the invention is to provide a flexible unit designed to be installed in a post to permit bending of the post in which tension of the flexible unit is adjustable.
  • a further object of the invention is to provide a post having a flexible unit therein to permit bending in which the post is of a simple and economical construction.
  • the invention embodies a spring assembly for a post having a lower and upper section in which an outer spring is positioned between the cup-like heads in which the upper and lower sections of the posts are clamped and in which the heads are urged against ends of the outer spring by an inner spring, the tension of which is adjustable.
  • Figure 1 is a rear elevational view of the improved flexible sign post with the upper section of the post in a vertically disposed position.
  • Figure 2 is a vertical section through the spring assembly of the flexible post with the parts shown on an enlarged scale, and with upper and lower sections of the post broken away.
  • Figure 3 is a sectional plan through the spring assemblyof the post taken on line 3--3 of Figure 2.
  • the improved flexible post of this invention includes a spring assembly having an outer spring .10, an inner spring 11, a lower head 12 having a split sleeve 13 depending therefrom and a continuous flange 14 extended upwardly from the peripheral edge and an upper head 15 having a split sleeve ⁇ 16 extended upwardly therefrom and a continuous flange 17 depending from the peripheral edge and in which the upper end of the spring 10 nests.
  • the split sleeve or collar 13 is provided with outwardly extended flanges 18 and 19 through which bolts 20 extend and the upper sleeve or collar 16 is provided with similar flanges 21 and 22 through which bolts 23 extend the bolts 23 clamping the sleeve 16 on the lower end of an upper section 24 of a post having a sign panel 25 on the upper end.
  • the bolts 20 which extend through the flanges 18 and 19 of the sleeve 13 clamp the head 12 upon the upper end of a lower section 26 of the post whereby with the lower section forced into the ground by placing the feet upon the projections 27 and 28 the lower section 26 is rigidly mounted in the ground and the upper section :24 with the sign panel 25 thereon is flexibly connected to the lower section.
  • the lower end of the tension or inner spring 11 is provided with an eye 29 by which the lower end of the spring is connected to an eye bolt 30 extended from the inner surface of the lower head 12 of the spring assembly.
  • the eye 30 may be threaded in the head 12 as shown at the point 31 or secured to the head by welding or other means.
  • the upper end of the spring 11 is also provided with an eye, as indicated by the numeral 32 and the eye 32 is secured in an eye bolt 33 that extends through an opening 34 in the head 15 and that is provided with a nut 35 positioned in an opening 36 in the lower end of the upper section 24 whereby the tension of the spring 11 is adjustable by a series of nuts between the nuts 35 and bolt 33.
  • a spring assembly for a sign post comprising an upper head having a depending peripheral flange and a split sleeve extended upwardly therefrom for connecting the head to a post, a lower head having an upwardly extended peripheral flange and a depending split sleeve for connecting the lower head to a post, an inner tension spring extended between and positioned with ends thereof connected to the heads, and an outer spring nested in the flanges of the heads and surrounding the inner tension spring.
  • a flexible post which comprises a lower section, an upper section, a head having an upwardly extended peripheral flange and a depending split sleeve mounted with the split sleeve on the upper end of the lower section of the post, the split sleeve depending from the lower head having flanges extended 3 therefrom, bolts through the flanges of the split sleeve of the lower head, an upper head having a split sleeve extended upwardly therefrom for receiving the lower end of the upper section of thepost, and a depending peripheral flange, an outer spring extended between the heads with ends of the spring nested in the flanges of the heads, the split sleeve of the upper head also having flanges extended therefrom, bolts extended through the flanges of the split sleeve of the upper head, an eye bolt extended from the lower head, a tension spring connected .to the eye bolt extended from the lower head and positioned within the outer spring, and an eye bolt adjustably mounted in the
  • a flexible post for supporting a sign comprising .a lower section of the post, an up per section of the post, a lower head having a peripheral upwardly extended flange, means for securing the lower head on the upper end of the lower section of the post, an upper head having a depending peripheral flange, means for securing the upper section of the post on said upper head, a stationary eye bolt extended from the inner I surface of the lower head, an eye bolt having threads thereon extended through the upper head and depending therefrom, a nut threaded on the threaded upper end of the eye bolt of the upper head, a tension spring positioned with one end connected to the eye bolt of the lower head and the opposite end connected to the eye bolt of the upper head, and an outer spring positioned with the a lower end nested in the peripheral flange of the lower head and the upper end nested in the peripheral flange of the upper head.
  • a flexible post which comprises a lower section, an upper section, a head having an upwardly extending peripheral flange, a sleeve on the upper end of the lower section of the post, the sleeve depending from the lower head having flanges extended therefrom, bolts through the flanges at the sleeve of the lower head, an upper head having a sleeve extended up- V wardly therefrom for receiving the lower end of the upper section of the post, and a depending peripheral flange, an outer spring extended between the heads with ends of the spring nested in the flanges of the head, the sleeve of the upper head also having flanges extended therefrom, bolts extended through the flanges of the sleeve of the upper head, a securing element extended from the lower head, resilient means connected to the securing element extended from the lower head and positioned within the outer spring, and a securing element adjustably mounted in the upper head and connected to the resilient means

Description

' aim...)-
Aug. 16, 1960 H. BIRGE FFAL 2,949,324
' FLEXIBLE S IGN POST Filed March 17, 1 959 39 f 3 I la- 21 2 [I I0 23 E l6 ['7 I I 29 1 l0 5 30 R 3/ 5 I /l 2 3.- l 2 INVENTORS. Homer 5 r e L eon arcl at am U ted States Patent Q FLEXIBLE SIGN POST Homer Birge,f341 S. West St., Thorntown, Ind., and Y Leonard Latham, 809- W. Main St., Lebanon, Ind.
Filed Mar. 17, 1959, Ser. No. 800,021
4 Claims. (Cl. 287-86) This invention relates to posts for supporting signs, such as used on highways, parking meters, mail boxes and signs of motels, and in particular a flexible section in a sign post including inner and outer coil springs with the spring assembly mounted on the upper end of a post inserted in the ground and with a sign carrying section of the post clamped in the upper end of the spring assembly.
The purpose of this invention is to provide a post for signs, particularly at the sides of highways whereby upon engagement of a vehicle with the sign the post yields preventing damage to the sign or vehicle and after passing of the vehicle the sign returns to the conventional upright position.
Various types of yielding signs have been provided for use on highways wherein upon passing of a vehicle and engagement of wheels of the vehicle with the sign the sign bends to a flat position upon the highway and returns to an upright position after the vehicle passes; however, such signs are subjected to severe abuse and the life of such signs is comparatively short. Numerous types of highway signs such as used for indicating directions and speed and also mail boxes and parking meters are supported by posts at the sides of a highway and, normally, are out of the path of a passing vehicle. However, in numerous instances vehicles are urged over the edge of a highway and engage such signs with the result that the posts are broken or damaged to such an extent that new posts are required. With this thought in mind this invention contemplates a sign post including upper and lower sections in which the sections are connected by a spring assembly in which the springs are so arranged that the upper section of the post may bend to substantially any angle, and after a vehicle passes, return to an upright position.
The object of this invention is, therefore, to provide a flexible section in a post whereby the portion of the post above the ground may bend to a horizontal position and wherein the flexible section returns the upper portion of the post to a vertical position when said upper portion is released.
Another object of the invention is to provide a flexible unit designed to be installed in a post to permit bending of the post in which tension of the flexible unit is adjustable.
A further object of the invention is to provide a post having a flexible unit therein to permit bending in which the post is of a simple and economical construction.
With these and other objects and advantages in view the invention embodies a spring assembly for a post having a lower and upper section in which an outer spring is positioned between the cup-like heads in which the upper and lower sections of the posts are clamped and in which the heads are urged against ends of the outer spring by an inner spring, the tension of which is adjustable.
Other features and advantages of the invention will 2,949,324 Patented Aug. 16, 1960 2 appear from .the following description taken in connection with the drawing, wherein:
Figure 1 is a rear elevational view of the improved flexible sign post with the upper section of the post in a vertically disposed position. I
Figure 2 is a vertical section through the spring assembly of the flexible post with the parts shown on an enlarged scale, and with upper and lower sections of the post broken away.
Figure 3 is a sectional plan through the spring assemblyof the post taken on line 3--3 of Figure 2.
Referring now to the drawing wherein like reference characters denote corresponding parts the improved flexible post of this invention includes a spring assembly having an outer spring .10, an inner spring 11, a lower head 12 having a split sleeve 13 depending therefrom and a continuous flange 14 extended upwardly from the peripheral edge and an upper head 15 having a split sleeve \16 extended upwardly therefrom and a continuous flange 17 depending from the peripheral edge and in which the upper end of the spring 10 nests.
The split sleeve or collar 13 is provided with outwardly extended flanges 18 and 19 through which bolts 20 extend and the upper sleeve or collar 16 is provided with similar flanges 21 and 22 through which bolts 23 extend the bolts 23 clamping the sleeve 16 on the lower end of an upper section 24 of a post having a sign panel 25 on the upper end. The bolts 20 which extend through the flanges 18 and 19 of the sleeve 13 clamp the head 12 upon the upper end of a lower section 26 of the post whereby with the lower section forced into the ground by placing the feet upon the projections 27 and 28 the lower section 26 is rigidly mounted in the ground and the upper section :24 with the sign panel 25 thereon is flexibly connected to the lower section.
The lower end of the tension or inner spring 11 is provided with an eye 29 by which the lower end of the spring is connected to an eye bolt 30 extended from the inner surface of the lower head 12 of the spring assembly. The eye 30 may be threaded in the head 12 as shown at the point 31 or secured to the head by welding or other means.
The upper end of the spring 11 is also provided with an eye, as indicated by the numeral 32 and the eye 32 is secured in an eye bolt 33 that extends through an opening 34 in the head 15 and that is provided with a nut 35 positioned in an opening 36 in the lower end of the upper section 24 whereby the tension of the spring 11 is adjustable by a series of nuts between the nuts 35 and bolt 33.
It will be understood that modifications, within the scope of the appended claims, may be made in the design and arrangement of the parts without departing from the spirit of the invention.
What is claimed is:
1. A spring assembly for a sign post comprising an upper head having a depending peripheral flange and a split sleeve extended upwardly therefrom for connecting the head to a post, a lower head having an upwardly extended peripheral flange and a depending split sleeve for connecting the lower head to a post, an inner tension spring extended between and positioned with ends thereof connected to the heads, and an outer spring nested in the flanges of the heads and surrounding the inner tension spring.
2. In a flexible post, the combination which comprises a lower section, an upper section, a head having an upwardly extended peripheral flange and a depending split sleeve mounted with the split sleeve on the upper end of the lower section of the post, the split sleeve depending from the lower head having flanges extended 3 therefrom, bolts through the flanges of the split sleeve of the lower head, an upper head having a split sleeve extended upwardly therefrom for receiving the lower end of the upper section of thepost, and a depending peripheral flange, an outer spring extended between the heads with ends of the spring nested in the flanges of the heads, the split sleeve of the upper head also having flanges extended therefrom, bolts extended through the flanges of the split sleeve of the upper head, an eye bolt extended from the lower head, a tension spring connected .to the eye bolt extended from the lower head and positioned within the outer spring, and an eye bolt adjustably mounted in the upper head and connected to the upper end of the tension spring.
3. In a flexible post for supporting a sign, the combination which comprises .a lower section of the post, an up per section of the post, a lower head having a peripheral upwardly extended flange, means for securing the lower head on the upper end of the lower section of the post, an upper head having a depending peripheral flange, means for securing the upper section of the post on said upper head, a stationary eye bolt extended from the inner I surface of the lower head, an eye bolt having threads thereon extended through the upper head and depending therefrom, a nut threaded on the threaded upper end of the eye bolt of the upper head, a tension spring positioned with one end connected to the eye bolt of the lower head and the opposite end connected to the eye bolt of the upper head, and an outer spring positioned with the a lower end nested in the peripheral flange of the lower head and the upper end nested in the peripheral flange of the upper head.
4. In a flexible post, the combination which comprises a lower section, an upper section, a head having an upwardly extending peripheral flange, a sleeve on the upper end of the lower section of the post, the sleeve depending from the lower head having flanges extended therefrom, bolts through the flanges at the sleeve of the lower head, an upper head having a sleeve extended up- V wardly therefrom for receiving the lower end of the upper section of the post, and a depending peripheral flange, an outer spring extended between the heads with ends of the spring nested in the flanges of the head, the sleeve of the upper head also having flanges extended therefrom, bolts extended through the flanges of the sleeve of the upper head, a securing element extended from the lower head, resilient means connected to the securing element extended from the lower head and positioned within the outer spring, and a securing element adjustably mounted in the upper head and connected to the resilient means.
References Cited in the file of this patent UNITED STATES PATENTS 1,674,983 Morton June 26, 192.8 2,144,038 Trump Jan. 17, 1939 2,474,690 Robinson et a1. June 28, 1949 2,546,026 Conn Mar. 20, 1951 2,646,950 Nelson et a1. July 28, 1953 FOREIGN PATENTS 937,209 France Mar. 1, 1948
US800021A 1959-03-17 1959-03-17 Flexible sign post Expired - Lifetime US2949324A (en)

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Cited By (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3279133A (en) * 1964-08-18 1966-10-18 Korte John F De Boundary marker
US3349531A (en) * 1964-07-16 1967-10-31 George H Watson Frangible connector assembly for stanchions, poles and standards
US3355998A (en) * 1964-07-24 1967-12-05 Allen V Roemisch Highway marker device
US3438311A (en) * 1967-06-14 1969-04-15 Continental Rubber Works Highway marker
US3524324A (en) * 1968-07-01 1970-08-18 Louis F Miklos Flexible pier
US3813143A (en) * 1972-11-15 1974-05-28 K Hubbs Reflective deer warning device
US3851615A (en) * 1973-07-13 1974-12-03 Moller Coates As Road marker
US4106879A (en) * 1976-11-08 1978-08-15 Gubela Strassenausrustungs-Gmbh Knockover roadway marker post
US4298292A (en) * 1979-12-10 1981-11-03 Franklin Steel Company Traffic delineator
US4341488A (en) * 1980-07-21 1982-07-27 Autopost International, Inc. Guidepost for parking vehicles
US4378175A (en) * 1977-12-15 1983-03-29 Handelsbolaget Scanovator Post mounting
US4498657A (en) * 1980-02-11 1985-02-12 William A. Werner Sign standard for supporting and displaying a sign
US4517055A (en) * 1983-06-06 1985-05-14 Dove Norman F Slice lip control
FR2557221A1 (en) * 1983-12-27 1985-06-28 Metal Plastic Articulation means between two coaxial tubular elements.
US4588324A (en) * 1984-01-09 1986-05-13 Hermann Goellner Slalom pole
US4676015A (en) * 1984-04-02 1987-06-30 Custom Stamping & Manufacturing Company Over-center sign stand
US4737048A (en) * 1987-06-29 1988-04-12 Herrstrom Timothy J Resilient sign post attachment
US4782610A (en) * 1986-09-10 1988-11-08 Marketing Displays, Inc. Display assembly with illumination system
US4886232A (en) * 1986-01-02 1989-12-12 Dicke Grant D Deflectable mounting for upright mast
US4958458A (en) * 1987-03-13 1990-09-25 Marketing Displays, Inc. Poster display device with longitudinal retention of frame sections by inserts
US5004366A (en) * 1989-11-02 1991-04-02 Simmons George H Break-away coupling
US5029783A (en) * 1990-10-23 1991-07-09 Aroldo Alvarez Flexible mailbox stand
US5031828A (en) * 1985-08-16 1991-07-16 Fischer Glenn N Damage-resistant mailbox
US5161769A (en) * 1990-04-25 1992-11-10 Robert Coulthard Safety marker suspension device
US5207175A (en) * 1992-03-17 1993-05-04 Garbis Andonian Marker post
US5518337A (en) * 1993-01-06 1996-05-21 Modlin; D. Joe Flexible traffic delineator and mounting system
US6032908A (en) * 1998-08-12 2000-03-07 Marketing Displays International Sign stand with cam release assembly
US6056250A (en) * 1998-08-12 2000-05-02 Marketing Displays International Sign stand for flexible traffic control signage
US6267529B1 (en) 1996-10-04 2001-07-31 Rondo Building Services Pty. Ltd. Flexible traffic post
US6343778B1 (en) * 1999-09-20 2002-02-05 Donald C. Brown Isotropically articulating fence system
US6371465B1 (en) * 2000-07-10 2002-04-16 William O. Willis Coil spring assembly and mounting device with bend control
FR2819194A1 (en) * 2001-01-11 2002-07-12 Roger Flores Articulation for goal posts comprises bottom cover on which rests tension spring which bends in its middle and abuts retaining ring
US6560906B1 (en) 2000-11-21 2003-05-13 Marketing Displays, Inc. Portable sign stand having frangible post
US6607184B2 (en) 1999-09-20 2003-08-19 Donald C. Brown Isotropically articulating fence post and gate system
US20040062594A1 (en) * 2002-09-09 2004-04-01 Findeco S.R.L. Connection group for movable road barriers
US20050023513A1 (en) * 2003-07-30 2005-02-03 Penning Dennis E. Multi-purpose portable lay-down fence
US20050169775A1 (en) * 2004-01-30 2005-08-04 Lg Electronics Inc. Apparatus for supporting compressor
US20050173690A1 (en) * 2003-07-30 2005-08-11 Penning Dennis E. Multi-purpose portable lay-down post and fencing system
US20050249553A1 (en) * 2004-05-06 2005-11-10 Eckert Bret R Removable delineator post and method for the use thereof
US6969212B1 (en) * 2004-06-22 2005-11-29 Richens Carolyn M Self-aligning pivotable delineator pole
US20080013328A1 (en) * 2006-07-17 2008-01-17 Newbill Anthony J Yieldable support for a mailbox
US20080067299A1 (en) * 2006-03-28 2008-03-20 Flexpost, Inc. Bendable post
US20090057388A1 (en) * 2006-07-17 2009-03-05 Newbill Anthony J Yieldable fixture assembly
US20090242724A1 (en) * 2003-12-31 2009-10-01 Serge Jose Do Camo Advertising panel support device
US20090283659A1 (en) * 2006-07-17 2009-11-19 Newbill Anthony J Yieldable assembly
US7930859B1 (en) * 2005-03-15 2011-04-26 At&T Intellectual Property I, L. P. Replacement cable marker pole having rotatable collar for attachment of pole to base
US20110121850A1 (en) * 2008-07-18 2011-05-26 Lee Jae Hak Spring structure and test socket using thereof
US20110260020A1 (en) * 2010-04-21 2011-10-27 Jonathan Isserow Jiggle sign
US20130134288A1 (en) * 2011-11-29 2013-05-30 Michael Webber Spring post box holder for receiving a mailbox and post arrangement for absorbing impacts, e.g., from snow, slush, ice and water thrown from a plowblade
US20140021311A1 (en) * 2011-07-25 2014-01-23 Arthur W. Lenz, Jr. Flexible mailbox support with detachable swing arm and replacable outer sleeve
US9490525B2 (en) * 2014-12-22 2016-11-08 Deere & Company Resilient antenna mast
WO2017006340A1 (en) * 2015-07-03 2017-01-12 Mandal Somjit Semi rigid joint
US20170282352A1 (en) * 2016-04-04 2017-10-05 James Gregory Brull Lanyard System
US9924821B1 (en) * 2017-06-20 2018-03-27 The Spectrum Services Company Inc. Flexible mailbox support
US10022611B2 (en) * 2015-07-02 2018-07-17 Young Il OH Safety fence support device with flexibility
US20200018024A1 (en) * 2018-07-11 2020-01-16 Timothy Allen Steele Indestructible mailbox post

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US2144038A (en) * 1935-10-24 1939-01-17 Rca Corp Aerial and aerial mounting arrangement
US2474690A (en) * 1946-01-22 1949-06-28 Pittsburgh Pipe Cleaner Compan Flexible connector
FR937209A (en) * 1946-12-23 1948-08-11 Motion transmission device
US2546026A (en) * 1947-04-15 1951-03-20 Gen Electric Flexible antenna mounting
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Cited By (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3349531A (en) * 1964-07-16 1967-10-31 George H Watson Frangible connector assembly for stanchions, poles and standards
US3355998A (en) * 1964-07-24 1967-12-05 Allen V Roemisch Highway marker device
US3279133A (en) * 1964-08-18 1966-10-18 Korte John F De Boundary marker
US3438311A (en) * 1967-06-14 1969-04-15 Continental Rubber Works Highway marker
US3524324A (en) * 1968-07-01 1970-08-18 Louis F Miklos Flexible pier
US3813143A (en) * 1972-11-15 1974-05-28 K Hubbs Reflective deer warning device
US3851615A (en) * 1973-07-13 1974-12-03 Moller Coates As Road marker
US4106879A (en) * 1976-11-08 1978-08-15 Gubela Strassenausrustungs-Gmbh Knockover roadway marker post
US4378175A (en) * 1977-12-15 1983-03-29 Handelsbolaget Scanovator Post mounting
US4298292A (en) * 1979-12-10 1981-11-03 Franklin Steel Company Traffic delineator
US4498657A (en) * 1980-02-11 1985-02-12 William A. Werner Sign standard for supporting and displaying a sign
US4341488A (en) * 1980-07-21 1982-07-27 Autopost International, Inc. Guidepost for parking vehicles
US4517055A (en) * 1983-06-06 1985-05-14 Dove Norman F Slice lip control
FR2557221A1 (en) * 1983-12-27 1985-06-28 Metal Plastic Articulation means between two coaxial tubular elements.
US4588324A (en) * 1984-01-09 1986-05-13 Hermann Goellner Slalom pole
US4676015A (en) * 1984-04-02 1987-06-30 Custom Stamping & Manufacturing Company Over-center sign stand
US5031828A (en) * 1985-08-16 1991-07-16 Fischer Glenn N Damage-resistant mailbox
US4886232A (en) * 1986-01-02 1989-12-12 Dicke Grant D Deflectable mounting for upright mast
US4782610A (en) * 1986-09-10 1988-11-08 Marketing Displays, Inc. Display assembly with illumination system
US4958458A (en) * 1987-03-13 1990-09-25 Marketing Displays, Inc. Poster display device with longitudinal retention of frame sections by inserts
US4737048A (en) * 1987-06-29 1988-04-12 Herrstrom Timothy J Resilient sign post attachment
US5004366A (en) * 1989-11-02 1991-04-02 Simmons George H Break-away coupling
US5161769A (en) * 1990-04-25 1992-11-10 Robert Coulthard Safety marker suspension device
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