GB2321093A - Locking or latching of bolts - Google Patents

Locking or latching of bolts Download PDF

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Publication number
GB2321093A
GB2321093A GB9700625A GB9700625A GB2321093A GB 2321093 A GB2321093 A GB 2321093A GB 9700625 A GB9700625 A GB 9700625A GB 9700625 A GB9700625 A GB 9700625A GB 2321093 A GB2321093 A GB 2321093A
Authority
GB
United Kingdom
Prior art keywords
flexible
bolt
partially
flexible bolt
rigid
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
GB9700625A
Other versions
GB2321093B (en
GB9700625D0 (en
Inventor
Eric Saxelby-Roberts
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.)
SAXELBY ROBERTS ERIC
Original Assignee
SAXELBY ROBERTS ERIC
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 SAXELBY ROBERTS ERIC filed Critical SAXELBY ROBERTS ERIC
Priority to GB9700625A priority Critical patent/GB2321093B/en
Publication of GB9700625D0 publication Critical patent/GB9700625D0/en
Publication of GB2321093A publication Critical patent/GB2321093A/en
Application granted granted Critical
Publication of GB2321093B publication Critical patent/GB2321093B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • F16B39/04—Locking of screws, bolts or nuts in which the locking takes place after screwing down with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw
    • F16B39/06—Locking of screws, bolts or nuts in which the locking takes place after screwing down with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw with a pin or staple parallel to the bolt axis
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Tents Or Canopies (AREA)

Abstract

A flexible core (or cores) is slidable in a bolt body so as to bend to project through a cut-out in the side of the body, in order to prevent withdrawal of the bolt body from a fixed item C. Where a nut is mounted on the bolt, the tip of the flexible core engages in a cut-out in the nut. The flexible core has a cross bar for advance and withdrawal, or operation may be mechanical, or electrical, or spring loaded. The core may have flexible or hinged parts, and the body may also be flexible.

Description

FLEXIBLE SECURITY DEVICE This invention relates to a security device in the form of a flexible bolt.
This is a locking, securing, tethering device. It was initially invented to enable a windsurfer to be secured to a car via a security cable using existing holes in said windsurfer and without the need for access to both sides of the body of the windsurfer.
It was realised that the flexible bolt could be used to secure many things with access from one side only.
The invention comprises a flexible sliding core within a body that can be rigid or flexible.
Principle of Operation The key to the system is the distortion or bending of the inner core so as to cause it to protrude through a slot or cut-out from the side of the body of the bolt assembly.
The operation of the flexible bolt is described by way of the accompanying drawings.
Figure li - shows the bolt consisting of items A (the core) and B (the body) in the unlocked position.
Figure lii - shows the bolt inserted into C the item to be locked to.
Figure 1 iii - shows A slid home through Bso that it protrudes from the side of B creating a latching action.
Figure liv - shows a thief secure device D can be fitted through B stopping A being slid back through B.
Figure lv - shows part A and the cross section of B to show their relationship.
The latching action is reversed by sliding A back into B.
Figures 2i and 2ii - shows the cross section of two variations of the bolt system in the unlocked position.
Figures 2iii and 2iv - shows the cross section bolt locked through or into C the item to be secured.
Figure 2v - shows the bolt with a threaded body A passed through C and secured by locking a castle or slotted nut E.
Figure 3 shows the bolt can have multiple sliding cores A.
Figure 4i - shows the bolt used to lock through the skeg bolt hole of a windsurfer C.
Figure 4ii - shows that by item C being of an expandable material (eg rubber) by compressing it using the threaded version of the bolt, figure 2v, it can be secured to a tubular member (eg the mast of a windsurfer).
The sliding action of the bolt can be operated manually or by mechanical or electrical means.
The latch or unlatch of the bolt can be preset, eg spring loaded.
The sliding core can be completely flexible or partially rigid with flexible fittings or partially solid with hinged fittings. In the case of a flexible body both inner and outer can distort to create the latching action.
The body of the device can be round, square or custom built, any shape.
The bolt only requires a reasonable fit through C the item to be locked to, a close tollerance fit is not necessary to have an adequate locking action.

Claims (7)

1 A flexible bolt system is in the form of a locking bolt with a flexible sliding core that is made to protrude by bending or distorting from the side of the body to lock or latch it.
2 A flexible bolt as claimed in Claim 1 that also can have a flexible or rigid body.
3 A flexible bolt as claimed in Claim 1 and Claim 2 that the flexible parts can be hinged.
4 A flexible bolt as claimed in Claim 1, Claim 2 and Claim 3 that the moving part can be partially a rigid and partially flexible.
5 A flexible bolt as claimed in any preceding claim whereas the body can be custom made in any shape or size required.
6 A flexible bolt as claimed in any preceding claim as is only limited in its material of manufacture dependant on its use.
7 A flexible bott as in any preceeding claim that can be meeanically or electrically assisted.
7 A flexible bolt as claimed in any preceding claim that has one or more flexible cores.
8 A flexible bolt as claimed in any preceding claim that requires access to only one side of the item to be locked to or through.
9 A flexible bolt as claimed in any preceding claim that does not necessarily require a close tollerance fit to be secure.
Amendments to the claims have been filed as follows 1 A flexible sliding bolt system that has a hollow tubular body and a flexible sliding core; it can be manually operated to lock and unlock; to lock it, the core is slid through the body and is made to protrude from the body by being deflected through a hole or cut-out in the side of the body; it * requires accs to only one side of the item to be locked to, and is locked through a hote which already exists in said item. rt does not require a close tolerance fit to be secure.
2 A flexible bolt as claimed in Claim 1 that can have a flexible or rigid body.
3 A flexible bolt as claimed in Claim 1 and Claim 2 that the moving part can be partially rigid and partially flexible.
4 A flexible bolt as claimed in any preceding claim whereas the body can be custom made in any shape or size as required.
5 A flexible bolt as claimed in any preceding claim as is only limited in its material of manufacture depend ant on its use.
6 A flexible bolt as claimed in any preceding claim that can have multiple flexible cores.
GB9700625A 1997-01-14 1997-01-14 Flexible security device Expired - Fee Related GB2321093B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9700625A GB2321093B (en) 1997-01-14 1997-01-14 Flexible security device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9700625A GB2321093B (en) 1997-01-14 1997-01-14 Flexible security device

Publications (3)

Publication Number Publication Date
GB9700625D0 GB9700625D0 (en) 1997-03-05
GB2321093A true GB2321093A (en) 1998-07-15
GB2321093B GB2321093B (en) 2000-12-27

Family

ID=10805926

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9700625A Expired - Fee Related GB2321093B (en) 1997-01-14 1997-01-14 Flexible security device

Country Status (1)

Country Link
GB (1) GB2321093B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB239821A (en) * 1925-07-01 1925-09-17 James Francis Goodman Improvements in and relating to self clinching anchor nails
GB364531A (en) * 1930-07-23 1931-12-28 Arthur Percival Humbey Improvements in or relating to the locking of screws, screw-nails, nails and the like, and the removal of same
GB500632A (en) * 1937-08-12 1939-02-13 Henry Hawkins Improvements in and connected with bolts
GB1164862A (en) * 1966-11-24 1969-09-24 Henning Eriksson A Device comprising a Bush or Sleeve for Attaching Objects to a Base or Foundation of low Mechanical Strength
US4116105A (en) * 1977-07-13 1978-09-26 Hainbuchner Herman Fastener

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB239821A (en) * 1925-07-01 1925-09-17 James Francis Goodman Improvements in and relating to self clinching anchor nails
GB364531A (en) * 1930-07-23 1931-12-28 Arthur Percival Humbey Improvements in or relating to the locking of screws, screw-nails, nails and the like, and the removal of same
GB500632A (en) * 1937-08-12 1939-02-13 Henry Hawkins Improvements in and connected with bolts
GB1164862A (en) * 1966-11-24 1969-09-24 Henning Eriksson A Device comprising a Bush or Sleeve for Attaching Objects to a Base or Foundation of low Mechanical Strength
US4116105A (en) * 1977-07-13 1978-09-26 Hainbuchner Herman Fastener

Also Published As

Publication number Publication date
GB2321093B (en) 2000-12-27
GB9700625D0 (en) 1997-03-05

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Legal Events

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

Effective date: 20020114