GB131857A - Improvements in One-way Screws, Bolts or like Fastenings. - Google Patents

Improvements in One-way Screws, Bolts or like Fastenings.

Info

Publication number
GB131857A
GB131857A GB1059819A GB1059819A GB131857A GB 131857 A GB131857 A GB 131857A GB 1059819 A GB1059819 A GB 1059819A GB 1059819 A GB1059819 A GB 1059819A GB 131857 A GB131857 A GB 131857A
Authority
GB
United Kingdom
Prior art keywords
head
bolts
fastenings
way screws
bolt
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
Application number
GB1059819A
Inventor
Clarence Edward Anable
Arthur Eugene Miller
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 GB1059819A priority Critical patent/GB131857A/en
Priority to FR500483D priority patent/FR500483A/en
Publication of GB131857A publication Critical patent/GB131857A/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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
    • F16B23/0076—Specially shaped nuts or heads of bolts or screws for rotations by a tool causing slipping of the tool in loosening rotation, i.e. disabling unscrewing unless another tool is used

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)

Abstract

131,857. Anable, C. E., and Miller, A. E. April 29, 1919. Bolts, studs, and set-screws.-A bolt, screw, or other screw fastening A is provided with a ratchetlike head B, so that it can be inserted but not withdrawn by a screwdriver, and with a cross hole or holes E partly or entirely through the head so that, when the head is removed to the line X X by drilling, notches or a slot are exposed to facilitate removal. Projections on the head may be bent into its seating to lock the bolt.
GB1059819A 1919-04-29 1919-04-29 Improvements in One-way Screws, Bolts or like Fastenings. Expired GB131857A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1059819A GB131857A (en) 1919-04-29 1919-04-29 Improvements in One-way Screws, Bolts or like Fastenings.
FR500483D FR500483A (en) 1919-04-29 1919-05-28 One way screw or bolt actuation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1059819A GB131857A (en) 1919-04-29 1919-04-29 Improvements in One-way Screws, Bolts or like Fastenings.

Publications (1)

Publication Number Publication Date
GB131857A true GB131857A (en) 1919-09-04

Family

ID=32671480

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1059819A Expired GB131857A (en) 1919-04-29 1919-04-29 Improvements in One-way Screws, Bolts or like Fastenings.

Country Status (2)

Country Link
FR (1) FR500483A (en)
GB (1) GB131857A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3687414A (en) * 1970-11-09 1972-08-29 Robert G Robbins Valve assembly
CN111390216A (en) * 2020-03-26 2020-07-10 中船澄西船舶修造有限公司 High-precision machining method for double-head cross hole in bolt shaft

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3687414A (en) * 1970-11-09 1972-08-29 Robert G Robbins Valve assembly
CN111390216A (en) * 2020-03-26 2020-07-10 中船澄西船舶修造有限公司 High-precision machining method for double-head cross hole in bolt shaft

Also Published As

Publication number Publication date
FR500483A (en) 1920-03-13

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