GB426792A - An improved locking device for loose covers and the like - Google Patents

An improved locking device for loose covers and the like

Info

Publication number
GB426792A
GB426792A GB2776133A GB2776133A GB426792A GB 426792 A GB426792 A GB 426792A GB 2776133 A GB2776133 A GB 2776133A GB 2776133 A GB2776133 A GB 2776133A GB 426792 A GB426792 A GB 426792A
Authority
GB
United Kingdom
Prior art keywords
cover
screw
screw head
locking device
washer
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
GB2776133A
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.)
ALEXANDER CECIL ALDRITT SQUIRE
Original Assignee
ALEXANDER CECIL ALDRITT SQUIRE
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 ALEXANDER CECIL ALDRITT SQUIRE filed Critical ALEXANDER CECIL ALDRITT SQUIRE
Priority to GB2776133A priority Critical patent/GB426792A/en
Publication of GB426792A publication Critical patent/GB426792A/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
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • F16B5/0266—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread using springs
    • 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
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
    • 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
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D29/00—Power-plant nacelles, fairings, or cowlings
    • B64D29/06—Attaching of nacelles, fairings or cowlings

Abstract

426,792. Bolting. PRENDERGAST, R. S., 116, Fordwych Road, Cricklewood, and SQUIRE, A. C. A., 122, Delaware Mansions, Maida Hill, both in London. Oct. 9, 1933, No. 27761. [Class 89 (i)] The cover 3 is secured to the member 5 by the screw 6, which, when it is screwed down expands the washer 8 to engage the sides of the hole 2 in the cover. This hole is larger in diameter than the screw head or nut so that after a few turns in the unscrewing direction the cover can be lifted off without completely removing the screw. The screw head may be contained in a recess in the cover. When the nut is of the wing type two slots are formed in the cover for the passage of the wings. In a modification, Fig. 13, a spring 25 retains the washer 8 in contact with the screw head.
GB2776133A 1933-10-09 1933-10-09 An improved locking device for loose covers and the like Expired GB426792A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2776133A GB426792A (en) 1933-10-09 1933-10-09 An improved locking device for loose covers and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2776133A GB426792A (en) 1933-10-09 1933-10-09 An improved locking device for loose covers and the like

Publications (1)

Publication Number Publication Date
GB426792A true GB426792A (en) 1935-04-09

Family

ID=10264832

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2776133A Expired GB426792A (en) 1933-10-09 1933-10-09 An improved locking device for loose covers and the like

Country Status (1)

Country Link
GB (1) GB426792A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583897A (en) * 1984-03-19 1986-04-22 Briles Franklin S Annular dovetail head fastener
CN109838446A (en) * 2019-01-29 2019-06-04 浙江富春江水电设备有限公司 Check bolt structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583897A (en) * 1984-03-19 1986-04-22 Briles Franklin S Annular dovetail head fastener
CN109838446A (en) * 2019-01-29 2019-06-04 浙江富春江水电设备有限公司 Check bolt structure

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