US1153458A - Cap for flexible stay-bolts. - Google Patents

Cap for flexible stay-bolts. Download PDF

Info

Publication number
US1153458A
US1153458A US3239815A US3239815A US1153458A US 1153458 A US1153458 A US 1153458A US 3239815 A US3239815 A US 3239815A US 3239815 A US3239815 A US 3239815A US 1153458 A US1153458 A US 1153458A
Authority
US
United States
Prior art keywords
cap
bolts
stay
flexible stay
sleeve
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 - Lifetime
Application number
US3239815A
Inventor
Benjamin E D Stafford
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.)
Flannery Bolt Co
Original Assignee
Flannery Bolt Co
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 Flannery Bolt Co filed Critical Flannery Bolt Co
Priority to US3239815A priority Critical patent/US1153458A/en
Application granted granted Critical
Publication of US1153458A publication Critical patent/US1153458A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/16—Wing-nuts

Definitions

  • My invention relates to an improvement in caps for flexible stay bolts.
  • the flexible stay bolts in common use consist of an externally threaded sleeve adapted to be screwed into the outer plate of a boiler, a bolt having a rounded head mounted within the sleeve, and a cap for closing the outer end of the sleeve, the cap being hexagonal at a point intermediate its ends for the engagement of a wrench, this hexagonal part being of greater diameter than any other part of the cap, hence when used on boilers having an insulating covering or lagging, it is necessary to so apply the lagging as to leave sufiicient space around the cap to permit the wrench to be applied to the latter, and when the stay bolts are numerous as is the case in locomotive and also in many vertical stationary boilers, a comparatively large part of the boiler is left uncovered.
  • the object of my invention is to so construct the cap that it may be entered in an opening in the lagging no larger than the cap itself, so that no parts of the boiler, other than the ends of the caps of the stay bolts need be exposed or unprotected by lagging.
  • Figure 1 is a view in section of a part of a covered boiler, showing a stay bolt sleeve and cap in elevation;
  • Fig. 2 is a view in end elevation of the cap and
  • Fig. 3 is a view in section of the same.
  • 1 represents a boiler plate, 2 a heat insulating covering or lagging, and 3 the stay Serial No. 32,398.
  • This cap is cylindrical in shape, and is provided at its outer end with an angular projection 5 to which a wrench is applied in securing the cap to and removing it from its sleeve.
  • the internal threads in the cap are located wholly within the cylindrical part thereof, so that the angular projection 5 is not weakened, and also to permit the said angular projection to be of less diameter than the sleeve to which the cap is secured.
  • This projection 5 being of less diameter than the cap, permits of the application of a socket wrench thereto without having the wrench project beyond the edge of the body of the cap, thus enabling the latter to be inserted within anopening or recess 6 in the lagging 2 no larger than the cap itself, so that when the improvement is applied to a covered boiler no parts of the boiler plates need be exposed.
  • a socket wrench thereto without having the wrench project beyond the edge of the body of the cap, thus enabling the latter to be inserted within anopening or recess 6 in the lagging 2 no larger than the cap itself, so that when the improvement is applied to a covered boiler no parts of the boiler plates need be exposed.
  • it is simply necessary to drill cylindrical holes through the lagging whereas with the old type of cap saucer shaped recesses were absolutely necessary in order to enable the wrench to engage the sleeve.
  • a cap for flexible stay bolts consisting of a cylindrical body internally threaded to engage the stay bolt sleeve, and provided with an outer closed end the latter being angular in cross section and of less diameter than the cylindrical portions.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pressure Vessels And Lids Thereof (AREA)

Description

I M53555 v B. E. D. STAFFORD.
CAP FOR FLEXIBLE STAY BOLTS.
APPLICATION FILED JUNE 5.19m.
1,158,45. Patented Sept. 14, 1915.
y III III I J A 2 III/II 1 l1 5 l IINIE p TT l A'r orb.
BENJAMIN E. n. s'rAEEonn, 0E PITTsBUR-GII, PENNSYLVANIA, ASSIGNOR T0 FLANNERY BOLT ooMPANY, 0E PITTSBURGH, PENNSYLVANIA.
CAP FOR FLEXIFLE STAY-BOLTS.
To all whom it may concern Be it known that I, BENJAMIN E. D. STAF- FonD, a citizen of the United States, and a resident of Pittsburgh, in the county of Allegheny and State of Pennsylvania, have invented certain new and useful Improvements in Caps for Flexible Stay-Bolts; and I do hereby declare the following to be a full, clear, and. exact description of the invention, such as will enable others skilled in the art to which it appertains tov make and use the same.
My invention relates to an improvement in caps for flexible stay bolts.
The flexible stay bolts in common use consist of an externally threaded sleeve adapted to be screwed into the outer plate of a boiler, a bolt having a rounded head mounted within the sleeve, and a cap for closing the outer end of the sleeve, the cap being hexagonal at a point intermediate its ends for the engagement of a wrench, this hexagonal part being of greater diameter than any other part of the cap, hence when used on boilers having an insulating covering or lagging, it is necessary to so apply the lagging as to leave sufiicient space around the cap to permit the wrench to be applied to the latter, and when the stay bolts are numerous as is the case in locomotive and also in many vertical stationary boilers, a comparatively large part of the boiler is left uncovered.
The object of my invention is to so construct the cap that it may be entered in an opening in the lagging no larger than the cap itself, so that no parts of the boiler, other than the ends of the caps of the stay bolts need be exposed or unprotected by lagging.
In the accompanying drawings, Figure 1 is a view in section of a part of a covered boiler, showing a stay bolt sleeve and cap in elevation; Fig. 2 is a view in end elevation of the cap and Fig. 3 is a view in section of the same.
1 represents a boiler plate, 2 a heat insulating covering or lagging, and 3 the stay Serial No. 32,398.
bolt sleeve threaded externally to engage the threaded hole in the plate 1, and also threaded at its upper end externally to engage internal threads 4 in the open end of the cap. This cap is cylindrical in shape, and is provided at its outer end with an angular projection 5 to which a wrench is applied in securing the cap to and removing it from its sleeve. The internal threads in the cap are located wholly within the cylindrical part thereof, so that the angular projection 5 is not weakened, and also to permit the said angular projection to be of less diameter than the sleeve to which the cap is secured. This projection 5 being of less diameter than the cap, permits of the application of a socket wrench thereto without having the wrench project beyond the edge of the body of the cap, thus enabling the latter to be inserted within anopening or recess 6 in the lagging 2 no larger than the cap itself, so that when the improvement is applied to a covered boiler no parts of the boiler plates need be exposed. In applying the improvement to a covered boiler it is simply necessary to drill cylindrical holes through the lagging, whereas with the old type of cap saucer shaped recesses were absolutely necessary in order to enable the wrench to engage the sleeve.
Having fully described my invention what I claim as new and desire to secure by Letters-Patent, is
As a new article of manufacture, a cap for flexible stay bolts consisting of a cylindrical body internally threaded to engage the stay bolt sleeve, and provided with an outer closed end the latter being angular in cross section and of less diameter than the cylindrical portions.
In testimony whereof, I have signed this specification in the presence of two subscibing witnesses.
BENJAMIN E. D. STAFFORD.
Witnesses:
EDWIN S. Bron, HOWARD O. CAPPEL.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,
Washington, I). G.
Specification of Letters Patent. Patgntedl S t. 14 1915 Application filed June 5, 1915.
US3239815A 1915-06-05 1915-06-05 Cap for flexible stay-bolts. Expired - Lifetime US1153458A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US3239815A US1153458A (en) 1915-06-05 1915-06-05 Cap for flexible stay-bolts.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3239815A US1153458A (en) 1915-06-05 1915-06-05 Cap for flexible stay-bolts.

Publications (1)

Publication Number Publication Date
US1153458A true US1153458A (en) 1915-09-14

Family

ID=3221526

Family Applications (1)

Application Number Title Priority Date Filing Date
US3239815A Expired - Lifetime US1153458A (en) 1915-06-05 1915-06-05 Cap for flexible stay-bolts.

Country Status (1)

Country Link
US (1) US1153458A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3385338A (en) * 1966-07-12 1968-05-28 Coats & Clark Lock nut structure and method of making the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3385338A (en) * 1966-07-12 1968-05-28 Coats & Clark Lock nut structure and method of making the same

Similar Documents

Publication Publication Date Title
US1153458A (en) Cap for flexible stay-bolts.
US1293375A (en) Stay-bolt structure.
US1291789A (en) Stay-bolt structure.
US1295868A (en) Stay-bolt structure.
US1285245A (en) Flexible stay-bolt.
US1295873A (en) Stay-bolt structure.
US1298308A (en) Stay-bolt structure.
US731983A (en) Stay-bolt.
US1291783A (en) Stay-bolt structure.
US1077048A (en) Stay-bolt.
US1077052A (en) Stay-bolt.
US1172145A (en) Stay-bolt.
US1070755A (en) Stay-bolt for boilers.
US1293367A (en) Stay-bolt structure.
US1424277A (en) Nut lock
US1291788A (en) Stay-bolt structure.
US1077047A (en) Stay-bolt.
US1293634A (en) Stay-bolt structure.
US686958A (en) Stay for fire-boxes in locomotive, marine, or other boilers.
US1119654A (en) Flexible stay-bolt.
US1295864A (en) Stay-bolt structure.
US1295861A (en) Stay-bolt structure.
US1291786A (en) Stay-bolt structure.
US1291787A (en) Stay-bolt structure.
US1298309A (en) Stay-bolt structure.