US2426768A - Safety appliance - Google Patents

Safety appliance Download PDF

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Publication number
US2426768A
US2426768A US689955A US68995546A US2426768A US 2426768 A US2426768 A US 2426768A US 689955 A US689955 A US 689955A US 68995546 A US68995546 A US 68995546A US 2426768 A US2426768 A US 2426768A
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US
United States
Prior art keywords
appliance
cable
rod
safety
engagement
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
US689955A
Inventor
Farmer Carl
John K Mack
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Individual
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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.)
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Publication date
Application filed by Individual filed Critical Individual
Priority to US689955A priority Critical patent/US2426768A/en
Application granted granted Critical
Publication of US2426768A publication Critical patent/US2426768A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L3/00Safety devices for use in window-cleaning
    • A47L3/04Safety ropes
    • 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
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/34Combined diverse multipart fasteners
    • Y10T24/3484Hook
    • Y10T24/3485Hook and hook
    • 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
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/39Cord and rope holders
    • Y10T24/3916One-piece
    • 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
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/39Cord and rope holders
    • Y10T24/3916One-piece
    • Y10T24/392Wire

Definitions

  • the present invention relates to safety appliances of the type required by workmen in building construction and operations in which scaffolding or the like is commonly used for the support of the workmen when working at more or less high levels above the level of the ground.
  • the principal object of the invention is to provide a tie or anchoring device which may be employed by the workman for safety purposes, and which is adapted to be readily and conveniently secured or anchored to one of the vertical supporting ropes or cables of such scaffolding as is used in construction or building operationsand the like.
  • Figure 1 is a perspective view illustrating a safety appliance embodying the present invention and shown in operative position as applied to one of the supporting ropes or cables of a scaffold;
  • Figure 2 is a similar view on a larger scale, showing said device and that portion of the supporting cable to which it is applied.
  • this shows the improved appliance as applied to one of the supporting ropes or cables 5 of what may be referred to as a conventional form of scaffold construction (the other parts of which are not illustrated).
  • the appliance is designed to be secured or anchored by formation of a loop in the cable which is adapted to be held by a binding or frictional engagement with the device.
  • the appliance comprises a metal rod or link 'I which is provided at one end with an eye or loop 8 for connection with a swivel I0 at one end of a suitable strap I2, which is provided at its other end with a link I4 for connection with a ring I5 or the like forming part of the conventional shoulder harness I6 lworn by the workman, as illustrated in Figure 1.
  • the link or rod 'l Adjacent to each of its ends, the link or rod 'l has rigidly secured thereto a rigid hook element I8 designed for loose hooking and detachable engagement with the adjacent portions of the cable 5, whereby the rod or link 1 may be maintained in approximately parallel relation to the cable, as illustrated.
  • said link or rod 1 is bent upon itself to form an open hook portion 2Q, preferably pointing in a downward direction, or away from the adjacent end of the rod; and adjacent to said hook portion 20 the end of saidlink or rod is formed with a terminal hook 22, preferably turned in a direction for cooperating with the hook 2U for supporting and anchoring a looped portion of the rope or cable 5, as illustrated in the drawing.
  • the appliance is placed in its operative position as illustrated, by simply attaching both of the open hooks I8 in sliding engagement with the cable 5, and then doubling a portion of the cable between said hooks I8 to form a small loop 25 which is then swung around underneath the hook 20- and finally hooked over the top or end h'ook element 22, as shown.
  • J@his means the improved appliance is rmly gripped and held against any ,downward movement on the cable 5 and therefore serves as a safe and secure anchoring means for the workmans strap connection I2 which is connected with the lower eye or loop 8 of the appliance.
  • the safety appliance is not only readily -and quickly applied into operative position, but may also be easily and conveniently adjusted from time to time as required to accommodate any changes in the working position of the user of the appliance.
  • a safety appliance for attachment to scaffolding ropes or cables comprising a rod or link provided with' a holding connection for the user of the appliance and also having means at its opposite ends fronloose detachable .engag ement With saidrope Vor cable, and intermediate hoolgV elements for detachable hooking'engagement with a, looped portion of said rope or cable of the scaffolding.
  • supporting ropes or cables of sca'olding on the like comprising a rod or link provided-'ai holding connection for the user of the appliance' and ralso with terminal hookingmeans. fordetach-- able engagement With said rope or cableth'e, intermediate portion of said rod or link having portionzof said rope or cable, said rod terminating adjacent ,to said open h'ook in an oppositelyk turnedY hook for holding engagement with said looped'v4 portion of the supporting rope or cable.

Landscapes

  • Emergency Lowering Means (AREA)

Description

SeptA 2, 1947 c.' FARMER Er AL SAFETY APPLIANCE Filed Aug. 12, 194;V
Y Y mm WH mM m. T WK T J ,A A. .w
m OY Ff C Patented Sept. 2, 1947 SAFETY APPLIANCE Carl Farmer and John K. Mack, Kansas City, Mo.
Application August 12, 1946, Serial No. 689,955
3 Claims. 1
The present invention relates to safety appliances of the type required by workmen in building construction and operations in which scaffolding or the like is commonly used for the support of the workmen when working at more or less high levels above the level of the ground.
The principal object of the invention, therefore, is to provide a tie or anchoring device which may be employed by the workman for safety purposes, and which is adapted to be readily and conveniently secured or anchored to one of the vertical supporting ropes or cables of such scaffolding as is used in construction or building operationsand the like.
For this purpose we provide an attachment of simple construction which is adapted to be readily attached in secure holding relation to one of the vertical ropes or cables of the scaffold, and also provided with a flexible connection with suitable harness or holding means worn by the workman making use of the appliance.
It is also sought to provide an appliance of the character indicated which may be conveniently adjustable with reference to its connection with the supporting rope or cable of the scaffold and also readily detachable therefrom when not in use.
With the foregoing general objects in view the invention will now be described by reference to the accompanying drawing illustrating an appliance constructed in accordance with the purposes thereof and which has been found suitable for the embodiment of the proposed improvements, after which those features and combinations deemed to be novel and patentable will be particularly set forth and claimed.
In the drawing:
Figure 1 is a perspective view illustrating a safety appliance embodying the present invention and shown in operative position as applied to one of the supporting ropes or cables of a scaffold; and
Figure 2 is a similar view on a larger scale, showing said device and that portion of the supporting cable to which it is applied.
Referring now to the accompanying drawing in detail, this shows the improved appliance as applied to one of the supporting ropes or cables 5 of what may be referred to as a conventional form of scaffold construction (the other parts of which are not illustrated). To this cable 5 the appliance is designed to be secured or anchored by formation of a loop in the cable which is adapted to be held by a binding or frictional engagement with the device.
For this purpose the appliance comprises a metal rod or link 'I which is provided at one end with an eye or loop 8 for connection with a swivel I0 at one end of a suitable strap I2, which is provided at its other end with a link I4 for connection with a ring I5 or the like forming part of the conventional shoulder harness I6 lworn by the workman, as illustrated in Figure 1.
Adjacent to each of its ends, the link or rod 'l has rigidly secured thereto a rigid hook element I8 designed for loose hooking and detachable engagement with the adjacent portions of the cable 5, whereby the rod or link 1 may be maintained in approximately parallel relation to the cable, as illustrated.
Between its end, said link or rod 1 is bent upon itself to form an open hook portion 2Q, preferably pointing in a downward direction, or away from the adjacent end of the rod; and adjacent to said hook portion 20 the end of saidlink or rod is formed with a terminal hook 22, preferably turned in a direction for cooperating with the hook 2U for supporting and anchoring a looped portion of the rope or cable 5, as illustrated in the drawing.
The appliance is placed in its operative position as illustrated, by simply attaching both of the open hooks I8 in sliding engagement with the cable 5, and then doubling a portion of the cable between said hooks I8 to form a small loop 25 which is then swung around underneath the hook 20- and finally hooked over the top or end h'ook element 22, as shown.
By J@his means the improved appliance is rmly gripped and held against any ,downward movement on the cable 5 and therefore serves as a safe and secure anchoring means for the workmans strap connection I2 which is connected with the lower eye or loop 8 of the appliance.
Moreover the safety appliance is not only readily -and quickly applied into operative position, but may also be easily and conveniently adjusted from time to time as required to accommodate any changes in the working position of the user of the appliance.
It will therefore be apparent that a simple, inexpensive and at the same time highly eilicient .device has been devised for fulfilling the desired objects of our invention; and while we have illustrated and described what is now regarded as the preferred and most practical form of construction for embodying the features of improvement, it is desired to reserve the right to make any changes or modifications which may fairly fall Within the scope of the invention as dened by the appended claims.
What We claim is:
1. A safety appliance for attachment to scaffolding ropes or cables, comprising a rod or link provided with' a holding connection for the user of the appliance and also having means at its opposite ends fronloose detachable .engag ement With saidrope Vor cable, and intermediate hoolgV elements for detachable hooking'engagement with a, looped portion of said rope or cable of the scaffolding.
'supporting ropes or cables of scaffolding or the Y g like, comprising a rod having a holding connection for theuser of the appliance andalso means for hookingdetachably in engagement with spaced points on said rope or cable, the intermediate .portion of said rod being bent upon itself to form an open hook for engagement with a looped 2. A safety appliance for attachment@to:,.the.,, A,
supporting ropes or cables of sca'olding on the like, comprising a rod or link provided-'ai holding connection for the user of the appliance' and ralso with terminal hookingmeans. fordetach-- able engagement With said rope or cableth'e, intermediate portion of said rod or link having portionzof said rope or cable, said rod terminating adjacent ,to said open h'ook in an oppositelyk turnedY hook for holding engagement with said looped'v4 portion of the supporting rope or cable.
1 CARL FARMER.l JOHN K. MACK.
US689955A 1946-08-12 1946-08-12 Safety appliance Expired - Lifetime US2426768A (en)

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Application Number Priority Date Filing Date Title
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US2426768A true US2426768A (en) 1947-09-02

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2684875A (en) * 1950-10-31 1954-07-27 Standard Oil Co Rope hook
US3391492A (en) * 1966-05-09 1968-07-09 Attruia Aniello Trellis anchoring and equalizing means
US4197816A (en) * 1978-04-07 1980-04-15 Charles Lusch Multi-purpose human harness
US4406348A (en) * 1981-12-09 1983-09-27 Switlik Ii Stanley Clip for safety harnesses
US4745663A (en) * 1987-08-03 1988-05-24 Crowson Harold J Fastening device for a rope
US20050150088A1 (en) * 2004-01-14 2005-07-14 U-Haul International, Inc. In-line security hook
US20100181142A1 (en) * 2009-01-16 2010-07-22 Gerner Mark H Method and Apparatus for Climbing
USD1045663S1 (en) * 2020-01-13 2024-10-08 Lavon Parham Clothing safety harness

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2684875A (en) * 1950-10-31 1954-07-27 Standard Oil Co Rope hook
US3391492A (en) * 1966-05-09 1968-07-09 Attruia Aniello Trellis anchoring and equalizing means
US4197816A (en) * 1978-04-07 1980-04-15 Charles Lusch Multi-purpose human harness
US4406348A (en) * 1981-12-09 1983-09-27 Switlik Ii Stanley Clip for safety harnesses
US4745663A (en) * 1987-08-03 1988-05-24 Crowson Harold J Fastening device for a rope
US20050150088A1 (en) * 2004-01-14 2005-07-14 U-Haul International, Inc. In-line security hook
US20080092345A1 (en) * 2004-01-14 2008-04-24 Dolan Robert A Security Hook with Blocking Member
US20100181142A1 (en) * 2009-01-16 2010-07-22 Gerner Mark H Method and Apparatus for Climbing
USD1045663S1 (en) * 2020-01-13 2024-10-08 Lavon Parham Clothing safety harness

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