GB2005627A - Snatch block apparatus - Google Patents

Snatch block apparatus

Info

Publication number
GB2005627A
GB2005627A GB7840000A GB7840000A GB2005627A GB 2005627 A GB2005627 A GB 2005627A GB 7840000 A GB7840000 A GB 7840000A GB 7840000 A GB7840000 A GB 7840000A GB 2005627 A GB2005627 A GB 2005627A
Authority
GB
United Kingdom
Prior art keywords
wire
rod
loop
bight
sheave
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.)
Granted
Application number
GB7840000A
Other versions
GB2005627B (en
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
Priority claimed from AU33917/78A external-priority patent/AU498448B2/en
Application filed by Individual filed Critical Individual
Publication of GB2005627A publication Critical patent/GB2005627A/en
Application granted granted Critical
Publication of GB2005627B publication Critical patent/GB2005627B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G11/00—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes
    • F16G11/14—Devices or coupling-pieces designed for easy formation of adjustable loops, e.g. choker hooks; Hooks or eyes with integral parts designed to facilitate quick attachment to cables or ropes at any point, e.g. by forming loops
    • F16G11/143—Hooks

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pulleys (AREA)

Abstract

A snatch block comprises a sheave (12) mounted for rotation on an intermediate portion (14) of a wire- like rod (16). First and second arm portions (28, 30) of the wire-like rod extend radially outwardly from the intermediate portion in directions substantially parallel to one another. The ends of the arm portions are formed into oppositely directed hooks (32, 34) such that the tips thereof approach and, if desired, contact an adjacent region of an arm portion, the wire-like rod (16) thus defining a substantially closed loop (58). In use, a rope or line (24) may be passed between the hook-like ends (32, 34) so as to pass through the loop (58) and engage a groove in the sheave (12). Similarly, an eyehook or other bight-like element (44) may be engaged within the loop (58), passing around the hooked ends (32, 34), by passing the bight (44) a sufficient distance between the hook-like ends (32, 34) and twisting. <IMAGE>
GB7840000A 1977-10-11 1978-10-10 Snatch block apparatus Expired GB2005627B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US84075177A 1977-10-11 1977-10-11
AU33917/78A AU498448B2 (en) 1977-10-11 1978-03-07 Snap roller

Publications (2)

Publication Number Publication Date
GB2005627A true GB2005627A (en) 1979-04-25
GB2005627B GB2005627B (en) 1982-03-17

Family

ID=25622623

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7840000A Expired GB2005627B (en) 1977-10-11 1978-10-10 Snatch block apparatus

Country Status (1)

Country Link
GB (1) GB2005627B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2206554A (en) * 1987-06-30 1989-01-11 Alan William Tupper Threading and hoisting devices and systems
WO1999007445A1 (en) * 1997-08-06 1999-02-18 Invotec Limited Improvements relating to climbing equipment
WO2006063387A1 (en) * 2004-12-13 2006-06-22 Donald Butler Curchod Improved high load block construction and connection

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2206554A (en) * 1987-06-30 1989-01-11 Alan William Tupper Threading and hoisting devices and systems
WO1999007445A1 (en) * 1997-08-06 1999-02-18 Invotec Limited Improvements relating to climbing equipment
WO2006063387A1 (en) * 2004-12-13 2006-06-22 Donald Butler Curchod Improved high load block construction and connection

Also Published As

Publication number Publication date
GB2005627B (en) 1982-03-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee