US3792554A - Anti-rotational locking, sealing and step attachments for telescoping columns - Google Patents

Anti-rotational locking, sealing and step attachments for telescoping columns Download PDF

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Publication number
US3792554A
US3792554A US00332831A US3792554DA US3792554A US 3792554 A US3792554 A US 3792554A US 00332831 A US00332831 A US 00332831A US 3792554D A US3792554D A US 3792554DA US 3792554 A US3792554 A US 3792554A
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Prior art keywords
tubes
tube
lock
ring
interlocking
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Expired - Lifetime
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US00332831A
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English (en)
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B Archer
J Low
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Arlo Inc
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Arlo Inc
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/02—Structures made of specified materials
    • E04H12/12—Structures made of specified materials of concrete or other stone-like material, with or without internal or external reinforcements, e.g. with metal coverings, with permanent form elements

Definitions

  • FIG 2 ANTI-ROTATIONAL LOCKING, SEALING AND STEP ATTACHMENTS FOR TELESCOPING 1 COLUMNS A locking feature of the type adaptable to the pumping of concrete-filled columns, such as in applicants earlier US. Pat. Nos. 3,469,558 and 3,471,980.
  • the interlocking, telescoping tubes are locked vertically with respect to each other by a plurality of abutting inner and outer locking rings, affixed respectively to the top and bottom of interlocking sections.
  • Compressible seals are provided to exude air during concrete pumping, while preventing moisture entering the joint as the column is completed.
  • the columns are locked against rotary or lateral twisting by means of a longitudinal locking strip applied to the exterior of the upper tube and engaging a locking aperture in the inner locking ring of the bottom tube.
  • the locking strip is in registry with the aperture in the bottom tube as it is extended vertically.
  • the locking strip includes apertures for the attachment of removable steps for climbing the column after it is erected.
  • FIG. 1 is a vertical elevation of a utilitypole with cross arm'conductor supports for power lines and developed according to the present invention
  • FIG. 2 is an enlarged, fragmentary view of a foundation tube for the pole
  • FIG. 3 is an enlarged, front elevation of a foundation tube concrete pump inlet
  • FIG. 4 is a fragmentary, enlarged, vertical section of the pump inlet
  • HO. 5 is a fragmentary, enlarged elevation of an upper intermediate tube, showing the dual outer stop and guide rings and seals affixed to its lower exterior and the longitudinally extending anti rotational locking strip affixed intermediate its top and the first outer guide ring;
  • FIG. .6 is a top plan of the inner stop ring of tube shown in FIG. 5; 3
  • FIG. 7 is a fragmentary section showing welding securement of an inner stop ring to the top of the tube shown in FIG. 5;
  • FIG. 8 is a fragmentary, enlarged section showing the mounting of the outer stop and guide ring and top and bottom seals at the bottom of tube shown in FIG. 5;
  • FIG. 9 is a fragmentary, enlarged section showing mounting of the bottom outer guide ring at the bottom of the tube shown in FIG. 5;
  • FIG. 10 is a fragmentary, enlarged section showing positioning of the inner stop ring and longitudinally extending locking strip with respect to the tube, next above;
  • FIG. 1 1 is a fragmentary, front elevation of the longitudinally extending locking strip, showing its plug weld supports and keyhole aperture for step attachment.
  • FIG. 12 is a fragmentary top plan of the tube shown in FIG. 5, showing the alignment of the anti rotational longitudinally extending locking strip and the locking aperture in the top inner stop ring;
  • FIG. 13 is an enlarged fragmentary vertical section of the upper tube, showing the top with an aperture and closing cap;
  • FIG. 14 is an enlarged elevation, partially in section, showing'the employment of a locking ring and aligning splines at the bottom of the lower tube, as an assistance in fitting and locking into the foundation tube;
  • FIG. l5' is a top plan of astep securable to the sections.
  • FIG. 16 is a front elevation of the step.
  • the foundation tube 20 may include a pump inlet plate 42 secured to its exterior by means of welds 52 or the like so that its pumping aperture 46 is aligned with a corresponding aperture in the exterior ot tube 20. Concrete may be introduced into the foundation tube and the nested sections 2233 by means of a conventional concrete pump.
  • the foundation tube may also include at itstop a plurality of clamp holes 48 for attaching clamps evenly spaced at its top perimeter to restrain upward pumping pressure. The clamps are removed after the concrete sets.
  • tube 22 may have a special outer bottom locking ring 82 and a first series of aligning splines 88 and a second series of aligning splines 90 so as to set the bottom of the tube in vertical alignment within the foundation tube.
  • Intermediate tube 24 and its counterparts, 26, 28, 30 and 33 may be constructed, as illustrated in FIGS.
  • An inner locking ring 60 may be affixed to the top of tube 24 by means of weld 61 or the like.
  • a top outer guide and stop ring 62 may be affixed to the lower exterior by means of conventional welds and a bottom outer guide ring 68 having an inclined shoulder may be similarly welded adjacent the bottom of tube 24.
  • a silicone sealant gasket 64 inclined outwardly from top to bottom may be affixed after the tube has been galvanized or painted extending onto the top of outer ring 62.
  • An open cell urethane or other sponge-like seal 66 of greater diameter than outer ring 62 may be affixed beneath top outer ring 62 after galvanizing or painting of the tubes. The sponge-like urethane is compressible during filling of the tubes and their vertical extension with respect to each other, so as to exude air, while subsequently preventing the leaking of concrete from the locking joint.
  • a longitudinally extending anti rotational locking strip 78 may be affixed intermediate the top of tube 24 and its top outer ring 62 by means of a series of longitudinally spaced plug welds 76, welded at the top as at 74 intermediate the strip 78 and the tube 24 exterior, as illustrated in FIGS. and l l.
  • a series of punchkey apertures 80 may be spaced at intervals along the locking strip, so as to admit removable step 96, such as illustrated in FIGS. and 16.
  • the headed stud 98 fits into aperture 80 and slides down locking in place.
  • the threaded eye bolt 102 is turned into the upper part of aperture 80 after the headed stud 98 slides down to prevent accidental uplift.
  • the eye bolt 102 allows for a safety belt hook (not illustrated) to be attached.
  • a series of holes 70 may be cut into the bottom tube so as to admit pumped concrete intermediate the top outer ring 62 and the bottom outer ring 68 and intermediate overlapping portions'of the tube, as they are extended with respect to each other.
  • stop rings, seals and locking strip may be variously configured and developed without departing from the spirit of invention.
  • an anti rotation lock for such tubes comprising:
  • a lock for such tubes as in claim 1, a stop ring further including top gasket and bottom compressive seal positioned respectively, above and below said outer stop ring.
  • a lock for such tubes as in claim 2, said top gasket being inclined outwardly from top to bottom and said bottom seal being of a sponge-like material, sufficient to exude air during compression.
  • a lock for such tubes as in claim 3, said top gasket being inwardly inset with respect to said outer stop ring and said bottom seal being outwardly offset with respect to said outer stop ring.
  • a lock for such tubes as in claim 4, said stop ring further including a second outer ring positioned at the bottom of said upper tube so as to align said upper tube with respect to said lower tube during vertical extension of said upper 'tube with respect to said said lower tube.
  • a lock for such tubes as in claim 5, said upper tube having a plurality of peripherally extending apertures at its bottom so as to admit concrete intermediate abutting portions of said upper and lower tubes and intermediate said upper and lower stop rings.
  • a lock for such tubes as in claim 6, the lower tube including an outer locking ring at its lower periphery and a first and second longitudinally separated series of aligning splines, said locking ring and said aligning splines being engageable with a foundation tube in which said lower tube is secured.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
US00332831A 1973-02-15 1973-02-15 Anti-rotational locking, sealing and step attachments for telescoping columns Expired - Lifetime US3792554A (en)

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US33283173A 1973-02-15 1973-02-15

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US00332831A Expired - Lifetime US3792554A (en) 1973-02-15 1973-02-15 Anti-rotational locking, sealing and step attachments for telescoping columns

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US (1) US3792554A (enrdf_load_stackoverflow)
JP (1) JPS49106130A (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4020606A (en) * 1975-10-29 1977-05-03 John William Pratt Street lighting columns
US20100180816A1 (en) * 2007-04-17 2010-07-22 Ruth Elizabeth Walcot Painting apparatus
US20100193981A1 (en) * 2007-09-21 2010-08-05 Frano Luburic Apparatus and Methods for Interconnecting Tubular Sections
US20100229473A1 (en) * 2009-03-11 2010-09-16 Thomas Industrial Rolls, Inc. Pneumatic Tower Design
US20120125715A1 (en) * 2010-11-24 2012-05-24 Ardisam, Inc. Ergonomic lightweight climbing stick
US20170152672A1 (en) * 2014-07-01 2017-06-01 Micoperi Energia S.R.L. Support tower, particularly for a wind turbine
US11613928B1 (en) * 2021-11-17 2023-03-28 Curt Davidson Modular ladder with central mast

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52118835A (en) * 1976-03-31 1977-10-05 Nippon Kokan Kk <Nkk> Process of erecting pilar-shaped matter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3196991A (en) * 1962-05-04 1965-07-27 Richard L Johnson Mast
US3259209A (en) * 1964-05-07 1966-07-05 Gulf Oil Corp Ladder
US3471980A (en) * 1967-10-18 1969-10-14 Arlo Inc Method for developing a column
US3564804A (en) * 1969-03-11 1971-02-23 Arlo Inc Method of aligning and longitudinally locking cylindrical telescoping sections of increasingly smaller diameter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3196991A (en) * 1962-05-04 1965-07-27 Richard L Johnson Mast
US3259209A (en) * 1964-05-07 1966-07-05 Gulf Oil Corp Ladder
US3471980A (en) * 1967-10-18 1969-10-14 Arlo Inc Method for developing a column
US3564804A (en) * 1969-03-11 1971-02-23 Arlo Inc Method of aligning and longitudinally locking cylindrical telescoping sections of increasingly smaller diameter

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4020606A (en) * 1975-10-29 1977-05-03 John William Pratt Street lighting columns
US20100180816A1 (en) * 2007-04-17 2010-07-22 Ruth Elizabeth Walcot Painting apparatus
US20100193981A1 (en) * 2007-09-21 2010-08-05 Frano Luburic Apparatus and Methods for Interconnecting Tubular Sections
US20100229473A1 (en) * 2009-03-11 2010-09-16 Thomas Industrial Rolls, Inc. Pneumatic Tower Design
US20120125715A1 (en) * 2010-11-24 2012-05-24 Ardisam, Inc. Ergonomic lightweight climbing stick
US20170152672A1 (en) * 2014-07-01 2017-06-01 Micoperi Energia S.R.L. Support tower, particularly for a wind turbine
US10550596B2 (en) * 2014-07-01 2020-02-04 Micoperi Energia S.R.L. Support tower, particularly for a wind turbine
US11613928B1 (en) * 2021-11-17 2023-03-28 Curt Davidson Modular ladder with central mast

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