US3847488A - Multi-purpose releasable connector - Google Patents

Multi-purpose releasable connector Download PDF

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Publication number
US3847488A
US3847488A US00300183A US30018372A US3847488A US 3847488 A US3847488 A US 3847488A US 00300183 A US00300183 A US 00300183A US 30018372 A US30018372 A US 30018372A US 3847488 A US3847488 A US 3847488A
Authority
US
United States
Prior art keywords
pin
bushing
brackets
diameter
mast
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US00300183A
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English (en)
Inventor
T Gossage
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US00300183A priority Critical patent/US3847488A/en
Priority to IN2007/CAL/74A priority patent/IN139426B/en
Application granted granted Critical
Publication of US3847488A publication Critical patent/US3847488A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32114—Articulated members including static joint
    • Y10T403/32221—Articulate joint comprises pivoted clevis or channel bar
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32254—Lockable at fixed position
    • Y10T403/32262—At selected angle
    • Y10T403/32319—At selected angle including pivot stud
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32254—Lockable at fixed position
    • Y10T403/32532—Clamped members
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32606—Pivoted
    • Y10T403/32861—T-pivot, e.g., wrist pin, etc.
    • Y10T403/32918—T-pivot, e.g., wrist pin, etc. fork and tongue
    • Y10T403/32926—T-pivot, e.g., wrist pin, etc. fork and tongue with interposed antifriction means
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32606—Pivoted
    • Y10T403/32951—Transverse pin or stud

Definitions

  • ABSTRACT [52] U.S. Cl 403/79, 403/91, 403/1 10, A releasable connector has the mast of a gin-pole der- 403/ 158, 403/ 161 rick movably mounted thereon. T he connector com- [51] Int. Cl. B25g 3/38 prises a horizontally disposed pin mounted between [58] Field of Search 403/79, 91, 110, 145, 149, laterally spaced support brackets and a bushing, 403/157, 158, 161, 162, 163; 24/201 S, 201 loosely mounted on the pin.
  • a lock nut is threadably SL, 230 LP, 248 SP, 243 B; 16/129, 149, 166 mounted on the pin to permit selective axial move- I ment of the bushing for removing the gin-pole mast [56] References Cited therefrom.
  • a gin-pole derrick comprises a mast having guys secured to its upper end and arranged to permit the mast to lean in any desired inclination relative to ground level.
  • a load may be raised or lowered by ropes leading through sheaves or blocks, also attached to the top of the mast.
  • the lower end of the mast is normally attached to a support bracket by a removable pivot pin.
  • a common problem with such conventional derricks is that the pin is oftentimes lost upon removal thereof for purposes of replacing the mast.
  • An object of this invention is to overcome the above, briefly described problem by providing an economical releasable connector adapted to expeditiously release an interchangeable, supported member while yet preventing the inadvertent removal of a supporting pin assembly from the connector.
  • the connector comprises upstanding and laterally spaced support brackets having a pin mounted therebetween and a bushing mounted on the pin.
  • Locking means normally retains the bushing in a fixed axial position relative to the pin.
  • the supported member such as a gin-pole mast, has a keyhole slot suitably formed through a lower end thereof to permit removal of the member when the bushing is moved axially upon release of the locking means.
  • FIG. 1 is a side elevational view of a mast for gin-pole derrick pivotally mounted on a releasable connector embodiment of this invention
  • FIG. 2 is an enlarged, cross sectional view of the connector taken in the direction of arrows II-II in FIG. 1;
  • FIG. 3 is a sectional view taken in the direction of arrows lll-III in FIG. 2.
  • the hereinafter described connector is adapted for use in many other applications wherein it is desired to releasably connect a supported member thereon.
  • the connector comprises upstanding and laterally spaced support brackets 13 and 14 having an elongated pin 15 mounted therebetween.
  • the pin may take the form of a bolt having heads 16 and 17, one of which may comprise a fixed nut, secured on'opposite ends thereof. Although the pin is loosely mounted on the brackets it could be secured at head 16 to bracket 13 if so desired.
  • a threaded portion 18 is formed on the bolt, adjacent to head 17.
  • releasable locking means such as a cotter pin (not shown) extending through pin 18, could be used in lieu of nut 19 for normally preventing a bushing 20 from moving axially relative to the pin.
  • the bushing is loosely mounted on pin 15 and has a length which is approximately equal to the lateral distance between brackets 13 and 14, bit is substantially less than the length of the pin.
  • An enlarged head 21 is formed on a first end of the bushing to normally abut the outside of bracket 14 and lock nut 19 when the connector is in its illustrated'locked position.
  • the second, opposite end 22 of the bushing may be conically shaped to mate with a conically shaped seat 23, formed on the inside of support 13. If so desired, a handle 24 may be secured to head 21 of the bushing to provide means for selectively moving the bushing axially upon release of lock nut 19.
  • member 11 terminates at its lower end in a flange portion 25 having akeyhole slot formed therethrough.
  • the slot comprises a circular aperture 26 having a diameter slightly larger than the outside diameter of bushing 20 and a coextensive slot portion 27 having a width slightly larger than the outside diameter of pin 15, but smaller than the diameter of aperture 26.
  • a releasable connector comprising upstanding and laterally spaced support brackets, a pin mounted between said support brackets, 21 bushing mounted on said pin, and locking means for normally retaining said bushing in a fixed axial position relative to said pin and for selectively releasing said bushing to permit it to be moved axially a substantial distance relative to said pin, said locking means comprising a nut threadably mounted on said pin and positioned exteriorlyof and closely adjacentto one of said bracketsand wherein a first end of said bushing comprises an enlarged head positioned between said nut and said one bracket.
  • a second, opposite end of said bushing is conically shaped to. normally engage a conically shaped seat formed in a second one of said brackets.
  • said slot comprising a circular aperture having a diameter slightly larger than the diameter of said bushing and a coextensive slot portion having a width slightly larger than the diameter of said pin, but smaller than the diameter of said bushing.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
US00300183A 1972-10-24 1972-10-24 Multi-purpose releasable connector Expired - Lifetime US3847488A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US00300183A US3847488A (en) 1972-10-24 1972-10-24 Multi-purpose releasable connector
IN2007/CAL/74A IN139426B (cs) 1972-10-24 1974-09-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00300183A US3847488A (en) 1972-10-24 1972-10-24 Multi-purpose releasable connector

Publications (1)

Publication Number Publication Date
US3847488A true US3847488A (en) 1974-11-12

Family

ID=23158051

Family Applications (1)

Application Number Title Priority Date Filing Date
US00300183A Expired - Lifetime US3847488A (en) 1972-10-24 1972-10-24 Multi-purpose releasable connector

Country Status (2)

Country Link
US (1) US3847488A (cs)
IN (1) IN139426B (cs)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4105347A (en) * 1977-04-27 1978-08-08 Gossage Thomas M Gin pole connector
US4773503A (en) * 1987-09-11 1988-09-27 Robert L. Pease Ladder hinge
US4934485A (en) * 1988-02-08 1990-06-19 Robert Pease Combination ladder and hand truck
US5388376A (en) * 1993-02-22 1995-02-14 Stageco, N.V. Portable roof and tower system and method for construction
US5623786A (en) * 1993-02-22 1997-04-29 Stageco U.S., Inc. Base block with removable ballast for portable tower, system and method
US6138927A (en) * 1999-03-01 2000-10-31 O. Ames Co. Dual mode spreader
US20120142457A1 (en) * 2010-12-01 2012-06-07 George Wiley Collapsible goal post for american football
US11000942B1 (en) * 2017-02-02 2021-05-11 Kraft Tool Company Adjustable clamping tool clevis
US20220169483A1 (en) * 2020-11-30 2022-06-02 Liebherr-Werk Ehingen Gmbh Mobile crane comprising a superstructure having at least one bearing point for pinning on a boom

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US150091A (en) * 1874-04-21 Improvement in thill-couplings
US3496795A (en) * 1968-08-08 1970-02-24 Frank Dinnendahl Pantograph

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US150091A (en) * 1874-04-21 Improvement in thill-couplings
US3496795A (en) * 1968-08-08 1970-02-24 Frank Dinnendahl Pantograph

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4105347A (en) * 1977-04-27 1978-08-08 Gossage Thomas M Gin pole connector
US4773503A (en) * 1987-09-11 1988-09-27 Robert L. Pease Ladder hinge
US4934485A (en) * 1988-02-08 1990-06-19 Robert Pease Combination ladder and hand truck
US5388376A (en) * 1993-02-22 1995-02-14 Stageco, N.V. Portable roof and tower system and method for construction
US5623786A (en) * 1993-02-22 1997-04-29 Stageco U.S., Inc. Base block with removable ballast for portable tower, system and method
US6138927A (en) * 1999-03-01 2000-10-31 O. Ames Co. Dual mode spreader
US20120142457A1 (en) * 2010-12-01 2012-06-07 George Wiley Collapsible goal post for american football
US8496547B2 (en) * 2010-12-01 2013-07-30 George Wiley Collapsible goal post for American football
US11000942B1 (en) * 2017-02-02 2021-05-11 Kraft Tool Company Adjustable clamping tool clevis
US20220169483A1 (en) * 2020-11-30 2022-06-02 Liebherr-Werk Ehingen Gmbh Mobile crane comprising a superstructure having at least one bearing point for pinning on a boom
US11787673B2 (en) * 2020-11-30 2023-10-17 Liebherr-Werk Ehingen Gmbh Mobile crane comprising a superstructure having at least one bearing point for pinning on a boom

Also Published As

Publication number Publication date
IN139426B (cs) 1976-06-19

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