US3076522A - Bridge scaffold apparatus - Google Patents

Bridge scaffold apparatus Download PDF

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Publication number
US3076522A
US3076522A US59918A US5991860A US3076522A US 3076522 A US3076522 A US 3076522A US 59918 A US59918 A US 59918A US 5991860 A US5991860 A US 5991860A US 3076522 A US3076522 A US 3076522A
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Prior art keywords
roadway
walkway
support
frame
mobile frame
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US59918A
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Harvey L Goodell
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Harvey L Goodell
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/10Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
    • E01D19/106Movable inspection or maintenance platforms, e.g. travelling scaffolding or vehicles specially designed to provide access to the undersides of bridges

Description

Feb. 5, 1963 H. L. GOODELL BRIDGE SCAFFOLD APPARATUS Filed Oct. 3. 1960 INVENTOR HARVEY L. Goooeu.
vwuunzu United States Patent Office 3,076,522 BRIDGE SCAFFOLD APPARATUS Harvey L. Goodeli, Montgomery, Ala. (1130 River Hill Drive, Kenton Hills, Covington, Ky.)
Filed Oct. 3, 1960, Ser. No. 59,918
8 Claims. (Cl. 182 l? The present invention relates to scailolds in general and in particular to a scaffold for use on bridges.
In the construction and maintenance of bridges, the erection movement and dismantling of scaffolding presents a major problem. It is a time consuming and expensive procedure to erect scaffolding between each pair of piers supporting a bridge for the purpose of providing support for the construction and maintenance workers such as carpenters, painters or the like.
An object of the present invention is to provide a scaffold apparatus which may be erected so as to straddle a bridge without interrupting traffic over the bridge and one which may be readily shifted from one end of the bridge to the other with ease and facility, the apparatus providing support for workmen constructing, painting orrepairing ti e bridge under structure.
Another object is to provide a scaffolding apparatus for use, in an elevated roadway or bridge which has a walkway swingable from a position transversely of the roadway to a position in which it may be moved from one side to the other side of a pier, without dismantling the scaffold apparatus.
A further object is to provide a scaifold apparatus for a bridge which lends itself to eflicient use by painters or others, is easily and quickly assembled and disassembled, and one which is economically feasible.
These objects and advantages of the invention will be fully understood from the following description when considered with the attached drawings, in which:
FIGURE 1 is an elevational view of the apparatus of the present invention shown on a bridge.
FIGURE 2 is a top plan view.
FIGURE 3 is a fragmentary exploded view, on an enlarge scale, showing the roller means for supporting the walkway.
Referring to FIGS. 1 and 2, the bridge scaffold apparatus is generally designated by the reference numeral 14 and is adapted to be moved along the roadway ll) of a bridge or the like having a curb 12. The apparatus 14 comprises a horizontal frame 16 that is supported in vertically spaced relation to the roadway by wheels 18, as. The apparatus 14 further includes vertical frames 22, 24- that extend downwardly from the ends of the horizontal frame l6 below the roadway 10 of the bridge; Frames 16, 22 and 24 are made of conventional box-type members.
Walkway members Zd'are mounted on the lower ends of vertical frames 22, 24 for swinging movement through an arc of 360 degrees. As shown in FIG. 3, a horizontal ring 4ft of tubular construction is fixed on the lower end of each vertical frame 22, 24 and rollers 38a, 38!; mounted on each walkway 2d engage the tube 40 to swingably mount the walkway on the lower end of its respective vertical frame. As further shown in FIG. 3, the roller 33a adjacent the end of walkway 26 engages the underside of the tube at while the roller 3312 which is furthest from the end of the walkway 26 is mounted by a bracket 4 so that it engages the upper surface of the tube 40. In this manner, each walkway 26 has a cantilever mounting on the lower end of its respective vertical frame and may be swung through 360 degrees. The movement of the walkway 26 can be achieved manually without any mechanical device or, alternatively, can be accomplished by a winch assembly 36 that includes a cable 42 that 3,976,522 Patented Feb. 5, 1963 workman can stand on floors 28 thereof in order to con struct, inspect, repair or otherwise maintain the bridge. When it is desired to move the scaffold apparatus to a new position, the walkways 26 are swung outwardly permitting the entire apparatus to be rolled along the roadway ill. in order to facilitate the movement of the apparatus along the roadway, a winch assembly 30 is provided on the apparatus and the ends of the cable 44 thereof is adapted to be fastened to a fixed point on the bridge so that actuation of the winch assembly 3t will cause the apparatus to move along the roadway 10. A winch assembly 3d is provided on either one or both of the vertical frames 22, 2 2.
I claim:
1. A scaffold apparatus for use on an elevated roadway comprising an elongated upstanding mobile frame adapted to straddle and rest upon an elevated roadway, a vertically disposed support member mounted on one end of said mobile frame and having a portion extending below said mobile frame, the lower end of said mobile frame extending vertically beneath the roadway, and a horizontally disposed walkway mounted on said support member for swinging movement in clockwise and counterclockwise directions of said walkway about said support member as a vertical axis into and out of position below for the purpose of treating the underside of said roadway.-
2. A scaifold apparatus for use on an elevated roadway comprising an elongated upstanding mobile frame adapted to straddle and rest upon an elevated roadway, a vertically disposed support member mounted on one end of said mobile frame and having a portion extending below said mobile frame, the lower end of said mobile frame extending vertically beneath the roadway, and a horizontally disposed walkway normally disposed at small angles with or in longitudinal alignment with respect to said frame and with one end adjacent the lower end of said support member, means connecting said one end of said walkway to said support member for swinging movement of said walkway from the normal position below and in longis tndinal alignment to said frame to a position perpendicular to said frame, said Walkway, when said mobile frame straddles and rests upon an elevated roadway, being of a length to extend beneath said roadway and adapted to support workmen thereon for the purpose of treating the underside of said roadway.
3. A scaffold apparatus for use on an elevated roadway comprising an elongated upstanding mobile frame adapted to straddle and rest upon an elevated roadway, a vertically disposed support member mounted on one end of said mobile frame and having a portion extending below said mobile frame, the lower end of said mobile frame extending vertically beneath the roadway, and a horizontally disposed walkway, means for mounting said walkway on the lower end of said support member for swinging movement about said support member as a vertical axis into and out of position below and in longitudinal alignment with said frame, said means comprising a ring mounted on the lower end of said support member, at least one roller adjacent the outer end of said walkway and adapted to engage the underside of said ring, and at least one roller mounted on the walkway and adapted to engage the upper side of said ring, said latter roller being spaced inwardly from the end of the walkway, whereby said walkway is mounted on said support member in a cantilever fashion.
4. The combination set forth in claim 3 including hand operated means for swinging said walkway about said support member.
5. A scaffold apparatus for use on an elevated roadway comprising an elongated upstanding mobile frame adapted to straddle and rest upon an elevated roadway, means on said frame for facilitating movement of said frame longitudinally of said roadway, a vertically disposed support member mounted on one end of said mobile frame and having a portion extending below said mobile frame, the lower end of each said support member extending vertically beneath said roadway, and a horizontally disposed walkway mounted on said support member for swinging movement about 360 degrees with said sipport member as a vertical axis, said walkway being adapted to extend beneath said roadway and support workmen thereon.
6. A scaffold apparatus for use on an elevated roadway comprising an elongated upstanding mobile fame adapted to straddle and rest upon an elevated roadway, a vertically disposed support member mounted on each end of said mobile frame and having a portion extending below said mobile frame, the lower end of said mobiie frame extending vertically beneath the roadway, a herizontally disposed walkway mounted on each said support member for swinging movement in clockwIse and counterclockwise directions of said walkway about said support member as a vertical axis into and out of position below and in longitudinal alignment with said frame, each said walkway, when said mobile frame straddles and rests upon an elevated roadway, being of a length to extend across and below said roadway and adapted to support workmen thereon for the purpose of treating the underside of said roadway.
7. A scaffold apparatus for use on an elevated roadway comprising an elongated upstanding mobile frame 4 adapted to straddle and rest upon an elevated roadway, a vertically disposed support member mounted on each end of said mobile frame and having a portion extending below said mobile frame, the lower end of said mobile frame extending vertically beneath the roadway, a horizon.ally disposed walkway mounted on each said support member for swinging movement in clockwise and counterclockwise directions of said walkway about said support member as a vertical axis, each said walkway, when said mobie frame straddles and rests upon an elevated roadway, being of a length to extend across and be.ow said roadway and adapted to support workmen thereon for the purpose of treating the underside of said roadway, and hand operated means for propel ing said mobile frame along said roadway when resting thereon.
8. A scaffold apparatus for use on an elevated roadway comprising an elongated upstanding mobile frame adapted to straddle and rest upon an elevated roadway, a vertically disposed support member mounted on each end of said mob'le frame and having a portion extending below said mobile frame, the lower end of said mobile frame extending vertically beneath the roadway, a horizontally disposed walkway on each said support member normally disposed at small angles with or in longitudinal alignment with respect to said frame and with one end adjacent the lower end of said support member, means connecting said one end of each said walkway to said support member for swinging movement of said walkway from the normal position below and in longitudinal alignment to said frame to a position perpendicular to said frame, each said walkway, when said mobile frame straddles and rests upon an elevated roadway, being of a length to extend across and below said roadway and adapted to support workmen thereon for the purpose of treating the unders'de of said roadway, and hand operated means for propelling said mobile frame along said roadway when resting thereon.
References Cited in the file of this patent UNITED STATES PATENTS 1,718,979 Protzeller July 2, 1929 2,639,950 Wheeler May 26, 1953 2,669,490 Kaufman Feb. 16, 1954

Claims (1)

  1. 8. A SCAFFOLD APPARATUS FOR USE ON AN ELEVATED ROADWAY COMPRISING AN ELONGATED UPSTANDING MOBILE FRAME ADAPTED TO STRADDLE AND REST UPON AN ELEVATED ROADWAY, A VERTICALLY DISPOSED SUPPORT MEMBER MOUNTED ON EACH END OF SAID MOBILE FRAME AND HAVING A PORTION EXTENDING BELOW SAID MOBILE FRAME, THE LOWER END OF SAID MOBILE FRAME EXTENDING VERTICALLY BENEATH THE ROADWAY, A HORIZONTALLY DISPOSED WALKWAY ON EACH SAID SUPPORT MEMBER NORMALLY DISPOSED AT SMALL ANGLES WITH OR IN LONGITUDINAL ALIGNMENT WITH RESPECT TO SAID FRAME AND WITH ONE END ADJACENT THE LOWER END OF SAID SUPPORT MEMBER, MEANS CONNECTING SAID ONE END OF EACH SAID WALKWAY TO SAID SUPPORT MEMBER FOR SWINGING MOVEMENT OF SAID WALKWAY FROM THE NORMAL POSITION BELOW AND IN LONGITUDINAL ALIGNMENT TO SAID FRAME TO A POSITION PERPENDICULAR TO SAID FRAME, EACH SAID WALKWAY, WHEN SAID MOBILE FRAME STRADDLES AND RESTS UPON AN ELEVATED ROADWAY, BEING OF A LENGTH TO EXTEND ACROSS AND BELOW SAID ROADWAY AND ADAPTED TO SUPPORT WORKMEN THEREON FOR THE PURPOSE OF TREATING THE UNDERSIDE OF SAID ROADWAY, AND HAND OPERATED MEANS FOR PROPELLING SAID MOBILE FRAME ALONG SAID ROADWAY WHEN RESTING THEREON.
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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3145801A (en) * 1963-04-23 1964-08-25 Frederick S Callahan Scaffold staging
US3602335A (en) * 1969-09-25 1971-08-31 Eaton Yale & Towne Platform positioning mechanism
US3608669A (en) * 1969-12-02 1971-09-28 Bridge Painting Inc Bridge-painting apparatus and method
US3851729A (en) * 1973-10-04 1974-12-03 Gordon Arnold Scaffold structure
US4044858A (en) * 1974-11-22 1977-08-30 Sverre Munck A/S Maintenance device for use underneath deck structures
US4074790A (en) * 1976-02-27 1978-02-21 Daciano Colbachini Vehicle-borne inspection and maintenance apparatus
US4103861A (en) * 1976-02-26 1978-08-01 Dyckerhoff & Widmann Aktiengesellschaft Arrangement for the sectional cantilever projection of multi-panel bridge supporting structures of steel or prestressed concrete
US4200955A (en) * 1977-09-19 1980-05-06 Deborah Services Limited Girder roller fittings
US4630708A (en) * 1986-01-29 1986-12-23 Thompson George J Semi-adjustable service platform apparatus for gantry crane
US4765424A (en) * 1985-10-03 1988-08-23 Colebrand Limited Apparatus for transporting a suspension cradle
US5011710A (en) * 1988-11-10 1991-04-30 Harrison John F Bridge maintenance method and equipment
US5115886A (en) * 1988-07-08 1992-05-26 Iseki Kaihatsu Koki Co., Ltd. Movable platform for construction sites
US5417301A (en) * 1993-12-27 1995-05-23 Robert J. Wildner Environmentally safe work platform
US5484035A (en) * 1993-12-27 1996-01-16 Wildner; Robert J. Trailer and environmentally safe work platform system
US5785148A (en) * 1993-12-27 1998-07-28 Wildner; Robert J. Environmentally safe work platform with buoyancy system
US6170106B1 (en) * 1999-09-01 2001-01-09 Alpha Painting & Construction Co., Inc. Movable safety tunnel for use during bridge maintenance
US6817444B1 (en) 2002-09-10 2004-11-16 George Shinas Suspended work platform
US20060218681A1 (en) * 2003-02-24 2006-09-28 Kouichi Sakakibara Moving-scaffold device with couplings for painting truss bridge
CN105155430A (en) * 2015-08-20 2015-12-16 株洲国铁实业有限公司 Gantry walking type maintaining and detecting method and device for high-speed railway bridge
CN105178179A (en) * 2015-08-20 2015-12-23 株洲国铁实业有限公司 Pier-bypassing railway bridge maintenance and detection method and device
US20160214842A1 (en) * 2015-01-23 2016-07-28 Jeremy Herauf Unique roadworthy sidewalk boom trailer, having on-site interchangeable boom, on-site interchangeable ladder, and on-site interchangeable catwalk sized to access narrow openings and nooks over and under bridges
CN106917351A (en) * 2017-04-10 2017-07-04 王本勋 A kind of road and bridge guardrail maintenance car

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1718979A (en) * 1929-07-02 protzeller
US2639950A (en) * 1950-01-04 1953-05-26 Claude C Wheeler Portable traveling scaffold
US2669490A (en) * 1952-02-06 1954-02-16 Kaufman Construction Company Traveling scaffold for bridges and the like

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1718979A (en) * 1929-07-02 protzeller
US2639950A (en) * 1950-01-04 1953-05-26 Claude C Wheeler Portable traveling scaffold
US2669490A (en) * 1952-02-06 1954-02-16 Kaufman Construction Company Traveling scaffold for bridges and the like

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3145801A (en) * 1963-04-23 1964-08-25 Frederick S Callahan Scaffold staging
US3602335A (en) * 1969-09-25 1971-08-31 Eaton Yale & Towne Platform positioning mechanism
US3608669A (en) * 1969-12-02 1971-09-28 Bridge Painting Inc Bridge-painting apparatus and method
US3851729A (en) * 1973-10-04 1974-12-03 Gordon Arnold Scaffold structure
US4044858A (en) * 1974-11-22 1977-08-30 Sverre Munck A/S Maintenance device for use underneath deck structures
US4103861A (en) * 1976-02-26 1978-08-01 Dyckerhoff & Widmann Aktiengesellschaft Arrangement for the sectional cantilever projection of multi-panel bridge supporting structures of steel or prestressed concrete
US4074790A (en) * 1976-02-27 1978-02-21 Daciano Colbachini Vehicle-borne inspection and maintenance apparatus
US4200955A (en) * 1977-09-19 1980-05-06 Deborah Services Limited Girder roller fittings
US4765424A (en) * 1985-10-03 1988-08-23 Colebrand Limited Apparatus for transporting a suspension cradle
US4630708A (en) * 1986-01-29 1986-12-23 Thompson George J Semi-adjustable service platform apparatus for gantry crane
US5115886A (en) * 1988-07-08 1992-05-26 Iseki Kaihatsu Koki Co., Ltd. Movable platform for construction sites
US5011710A (en) * 1988-11-10 1991-04-30 Harrison John F Bridge maintenance method and equipment
US5785148A (en) * 1993-12-27 1998-07-28 Wildner; Robert J. Environmentally safe work platform with buoyancy system
US5484035A (en) * 1993-12-27 1996-01-16 Wildner; Robert J. Trailer and environmentally safe work platform system
US5417301A (en) * 1993-12-27 1995-05-23 Robert J. Wildner Environmentally safe work platform
US6170106B1 (en) * 1999-09-01 2001-01-09 Alpha Painting & Construction Co., Inc. Movable safety tunnel for use during bridge maintenance
US6338175B2 (en) * 1999-09-01 2002-01-15 Orah Constuctive Technologies Incorporated Movable safety tunnel for use during bridge maintenance
US6817444B1 (en) 2002-09-10 2004-11-16 George Shinas Suspended work platform
US20060218681A1 (en) * 2003-02-24 2006-09-28 Kouichi Sakakibara Moving-scaffold device with couplings for painting truss bridge
US20160214842A1 (en) * 2015-01-23 2016-07-28 Jeremy Herauf Unique roadworthy sidewalk boom trailer, having on-site interchangeable boom, on-site interchangeable ladder, and on-site interchangeable catwalk sized to access narrow openings and nooks over and under bridges
US9695024B2 (en) * 2015-01-23 2017-07-04 Jeremy Herauf Unique roadworthy sidewalk boom trailer, having on-site interchangeable boom, on-site interchangeable ladder, and on-site interchangeable catwalk sized to access narrow openings and nooks over and under bridges
CN105155430A (en) * 2015-08-20 2015-12-16 株洲国铁实业有限公司 Gantry walking type maintaining and detecting method and device for high-speed railway bridge
CN105178179A (en) * 2015-08-20 2015-12-23 株洲国铁实业有限公司 Pier-bypassing railway bridge maintenance and detection method and device
CN106917351A (en) * 2017-04-10 2017-07-04 王本勋 A kind of road and bridge guardrail maintenance car
CN106917351B (en) * 2017-04-10 2018-12-07 重庆市祥贵源生态旅游开发有限公司 A kind of road and bridge guardrail maintenance car

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