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Pressure indicator for nuts or bolts

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Publication number
US1774695A
US1774695A US21462527A US1774695A US 1774695 A US1774695 A US 1774695A US 21462527 A US21462527 A US 21462527A US 1774695 A US1774695 A US 1774695A
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Prior art keywords
bolt
wood
device
fig
nut
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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
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Edward C Baynes
Original Assignee
Edward C Baynes
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B31/00Screwed connections specially modified in view of tensile load; Break-bolts
    • F16B31/02Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load
    • F16B31/028Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load with a load-indicating washer or washer assembly
    • 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
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S116/00Signals and indicators
    • Y10S116/34Tension indicating
    • 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
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S116/00Signals and indicators
    • Y10S116/35Electroluminescent dials
    • 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
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/955Locked bolthead or nut
    • Y10S411/956Automatic base clutch
    • Y10S411/957Biting tooth

Description

Patented Sept. 2, 1930 y it Q j UNITED STATES PATENT OFFICE Application filed August 2251927. Serial No. 214,625.

The present invention relates to pressure is comparatively thin, it is even possible to indicators for nuts or bolt heads and to combreak the wood member through and this bined indicators and locks for nuts or bolt happens not infrequently. heads. The present device consists of a thin sheet Heretofore in bolting together pieces of metal shown as rectangular in shape with 55 wood or in bolting Wood to metal, in cases its ends 11 bent up at right angles and over where the nut or bolt head is in a counterin the plane of the main portion, the depth sink, the operator, in tightening such nut or of the device being the same as that of the bolt head is unable to tell just when to cease countersinkinwhichit is to be used. Near the 10 turning it in order to obtain suflicient tightcenter is a slotted opening 12 for the passage 0 ening without crushing the wood below it. of a bolt and at one sideof the hole the de- Such crushing quite materially impairs the vice may be out and provided with the prostrength of the wood at this point and in narjecting corners 13 and 14 forming a nut row strips substantially severs the piece. locking device such as is set forth in Patent 15 Among the objects of the invention is to ob- Number 1,617,817 issued February 15, 1927, 65 viate this difficulty and provide means by to the present inventor. by which the operator may gauge the pres lhis device is placed in the countersink as sure and determine the point at which the bolt shown in Fig. 2 in place of the washer F and or nut has reached its maximum tightness when the bolt or screw 15 is tightened serves without materially lessening the strength of to indicate when the wood crushing begins, 70 the wood piece. the indication being the lifting of ends 11 Other objects will readily occur to those toward the full line position of Fig. 2. The skilled in the art upon reference to the folworkman will then easily recognize that furlowing description and accompanying drawther tightening will crush the wood and imings in which I pair the strength thereof. The ends 11 may 25 Fig. lisasection through awood slat showthen be flattened to the dotted line position. ing the'usual bolt and washer and how the As indicated in Fig. 5 the preferred form wood is crushed; of the device is slightly bowed upward as Fig. 2 is a similar section showing the presshown so that when the nut or bolt head cut device; presses down on the part 10, this will flatten 80 Fig. 3 is a plan view of Fig. 2, out and cause the corners 20 to move laterally Fig. l is a perspective view of the indicator; 7 and enter the walls of the countersink, hold- Fig. 5 is a longitudinal section thereing it firmly against any displacement. through. The indicating function of the device does As indicated in the drawings the present not require the use of the locking tongues 13 $5 device is designed chiefly for use with counand 14: but these may be formed and the detersunk wood members and its main purpose vice, then becomcsa nut or bolt locking device is to prevent conditions indicated in Fig. 1. as well as a pressure indicator, the tongues In this figure a slat or other wood member Ais functioning in much the same manner as in bored as at B and countersunk as at G for the the patented device. reception or" a bolt or screw D and its head E, Having now described the invention and a washer F usually being placed under the the preferred form of embodiment thereof it head E. In such constructions, when the is to be understood that the said invention is bolt or screw D is tightened, the workman to be limited, not to the specific details heresorews it down until it admits substantially in set forth but only by the scope of the claims, no further movement, with the result indiwhich follow. cated in this figure, namely, the wood X, un- I claim der the washer becomes crushed and reduces 1. A combined locking device and pressure the thickness of the portion having its full indicator for nuts or bolt heads in counterstrength. If the wood below the countersink sinks in wood members comprising a rectangular strip of thin sheet metal perforated for the reception of a bolt, said strip having its ends bent up at right angles and over into the plane of the main portion and being provided with looking tongues at one side of the perforation.

2. A pressure indicator for nuts or bolt heads in countersinks in Wood members comprising a resilient strip of metal formed to provide a horizontal bolt-receiving base portion, vertical Wing portions, and horizontal end portions, the depth of the Wing portions being substantially the same as the depth of the countersinks, as and for the purpose described.

' EDWARD C. BAYNES.

US1774695A 1927-08-22 1927-08-22 Pressure indicator for nuts or bolts Expired - Lifetime US1774695A (en)

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US1774695A US1774695A (en) 1927-08-22 1927-08-22 Pressure indicator for nuts or bolts

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US1774695A US1774695A (en) 1927-08-22 1927-08-22 Pressure indicator for nuts or bolts

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US1774695A true US1774695A (en) 1930-09-02

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2850937A (en) * 1955-04-28 1958-09-09 Eldon K Ralston Snap type bolt tension indicator
US3072093A (en) * 1960-02-16 1963-01-08 Illinois Tool Works Visible inspection fastener
US3104645A (en) * 1961-03-22 1963-09-24 Harrison Henry Bolt stress indicator
US3133468A (en) * 1961-03-21 1964-05-19 James D Cumming Tension indicating device
US3169440A (en) * 1960-09-09 1965-02-16 Anglo Transvaal Cons Invest Co Tension indicating devices for instance in roof bolting
US3187621A (en) * 1962-12-14 1965-06-08 Cooper & Turner Ltd Fastener assembly and pre-load indicating washer therefor
US3589234A (en) * 1968-05-28 1971-06-29 Jack Victor Haig Trigg Tensile member
US4149446A (en) * 1977-12-01 1979-04-17 Bethlehem Steel Corporation Load indicator washer
US4293257A (en) * 1980-03-17 1981-10-06 Illinois Tool Works Inc. Tension indicating washer
US4303355A (en) * 1978-02-08 1981-12-01 Vilcinskas Charles K Adjustable anchored bulkhead system
FR2632367A1 (en) * 1988-06-01 1989-12-08 Arnould App Electr Mounting for any metal component, particularly a connection tab for an electrical connection, on any support whatsoever
US5573316A (en) * 1995-06-02 1996-11-12 Wankowski; Russell A. Lightweight snowmobile traction stud
US5746561A (en) * 1996-07-24 1998-05-05 Lockheed Martin Corporation Alignment tolerant fastening system
US5746558A (en) * 1996-07-24 1998-05-05 Lockheed Martin Corporation Locking apparatus for fastening system
US5888012A (en) * 1996-07-24 1999-03-30 Lockheed Martin Corporation Large shear tolerant fastening system
US6215074B1 (en) 1994-04-29 2001-04-10 International Business Machines Corporation Direct mounting system for a disk drive
WO2017066285A1 (en) * 2015-10-12 2017-04-20 Bernard Figueroa Pivotable footwear device

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2850937A (en) * 1955-04-28 1958-09-09 Eldon K Ralston Snap type bolt tension indicator
US3072093A (en) * 1960-02-16 1963-01-08 Illinois Tool Works Visible inspection fastener
US3169440A (en) * 1960-09-09 1965-02-16 Anglo Transvaal Cons Invest Co Tension indicating devices for instance in roof bolting
US3133468A (en) * 1961-03-21 1964-05-19 James D Cumming Tension indicating device
US3104645A (en) * 1961-03-22 1963-09-24 Harrison Henry Bolt stress indicator
US3187621A (en) * 1962-12-14 1965-06-08 Cooper & Turner Ltd Fastener assembly and pre-load indicating washer therefor
US3589234A (en) * 1968-05-28 1971-06-29 Jack Victor Haig Trigg Tensile member
US4149446A (en) * 1977-12-01 1979-04-17 Bethlehem Steel Corporation Load indicator washer
US4303355A (en) * 1978-02-08 1981-12-01 Vilcinskas Charles K Adjustable anchored bulkhead system
US4293257A (en) * 1980-03-17 1981-10-06 Illinois Tool Works Inc. Tension indicating washer
FR2632367A1 (en) * 1988-06-01 1989-12-08 Arnould App Electr Mounting for any metal component, particularly a connection tab for an electrical connection, on any support whatsoever
US6215074B1 (en) 1994-04-29 2001-04-10 International Business Machines Corporation Direct mounting system for a disk drive
US5573316A (en) * 1995-06-02 1996-11-12 Wankowski; Russell A. Lightweight snowmobile traction stud
US5746561A (en) * 1996-07-24 1998-05-05 Lockheed Martin Corporation Alignment tolerant fastening system
US5746558A (en) * 1996-07-24 1998-05-05 Lockheed Martin Corporation Locking apparatus for fastening system
US5888012A (en) * 1996-07-24 1999-03-30 Lockheed Martin Corporation Large shear tolerant fastening system
WO2017066285A1 (en) * 2015-10-12 2017-04-20 Bernard Figueroa Pivotable footwear device

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