US1919550A - Brake shoe - Google Patents

Brake shoe Download PDF

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Publication number
US1919550A
US1919550A US261714A US26171428A US1919550A US 1919550 A US1919550 A US 1919550A US 261714 A US261714 A US 261714A US 26171428 A US26171428 A US 26171428A US 1919550 A US1919550 A US 1919550A
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United States
Prior art keywords
shoe
flange
web
rim portion
rim
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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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US261714A
Inventor
Rudolph A Goepfrich
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Bendix Aviation Corp
Original Assignee
Bendix Aviation Corp
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 Bendix Aviation Corp filed Critical Bendix Aviation Corp
Priority to US261714A priority Critical patent/US1919550A/en
Priority to US617459A priority patent/US1935357A/en
Application granted granted Critical
Publication of US1919550A publication Critical patent/US1919550A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F16D65/08—Bands, shoes or pads; Pivots or supporting members therefor for internally-engaging brakes

Definitions

  • This invention relates to brake shoes, and is illustrated as embodied 111 a rigid curved shoe for an internalexpandingautomobile v brake.
  • An objectof the invention is to provide greater rigidity for ashes of this char: acter, by forming or displacing portions of the stiflening web crosswise oi": the shoe, preferably insuch a manner that the web undulates'crosswise ofthe shoe.
  • the shoe may be formed of an element vhavingga straight web which is integral with the rim, and preferably: also, integral with an inner reinforcing flange, at intervals which alternate with portions that are structurally separate from the rim and flange and which are displaced crosswise of the shoe and then, if
  • Figure 1 isa'curved section, lengthwlseof the shoe, on the line1.1 of Figure 2, show-v ing the undulation of the web;
  • FIG. 2 is a section through the shoe on the line 2 2 of Figure 1;
  • Figures 3 and 4 are views corresponding respectively to Figures 1 and 2, but showing a diflferent shoe; f c
  • Figure 5 is a side elevation'o't theshoe of Figures 3 and 4; and V Figure 6 is a viewof the inner side of shoe of Figures 3 and 4;
  • a g is a side elevation'o't theshoe of Figures 3 and 4;
  • the illustrated shoes are formed of eleshown 'or bent from straight members, and each havingfan outer rim 10 (to which the brake lining 12 is riveted or otherwise secured) and preferably also an inner reinforcing flange 14.
  • the rim and flange. are connected by a web 16 (Figs. 1 and'2) or 18 (Figs. 3-6) having at, intervals portions which are integral with the rim and flange, these portions ofweb 16 being along one side of the shoe, while the corresponding portions of web 18 are between the side and a'web portion integral with the rim por edges of the shoe substantially in the central plane of the shoe Between the, integrally-connected portions of the webs 16 and 18 are structurally-sepa-.
  • portions 26 and 28 of the rim and flange arebent smoothly around, and welded to the end of the web, which is here formed withan opening' for an anchor pivot 30.
  • the web 18 is preferably at one side of theshoe at its anchored end, so that. it will come next the backingplate of the brake and permit the use of avery short and rigid anchor pin.
  • theweb 18 is preferably in the central plane of the shoe,
  • portions 32 and 34 may be folded across g V K061145359, filed .J Line-15, 1932. ments, either formed in the curved shape v and a'web portion integral with the rim portion at spaced intervals alternating with intervals in which the'two portions are structurally separate, the web portion being displaced crosswise or the shoe, with respect to 2 its position where integral with the rim po rtion, where it is structurally separate from. the rim portion I 2.
  • a brake shoe comprising a rim portion tion at spaced intervals alternating with tervals in which the two portions art structurally separate, the web portion being displaced crosswise of the shoe, with respect to its position where integral with the rim portion, where it is structurally separate from the ,rim portion and being permanently secured directly to the rim portion wherevso displaced.
  • a brake shoe comprising a rim portion and an inner reinforcing flange and a web portion integral with and connecting the rim portion and said flange at spaced intervals alternating with intervals in which it is structurally separate from the'rim portion and said flange- 4.
  • a brake shoe comprising a rim portion and an inner reinforcing flange and a'web portion integral with and connecting the rim portion and said flange at spaced intervals alternating with intervals in -which it is structurallyseparate from the rim portion and saidflange, the web portion being displaced crosswise of the shoe, with'respect to its position where integral with the flange and. the rim portion, where it is structurally separate from the flange and the rim portion.
  • a brake shoe comprising a rim portion and an inner reinforcing flange and a web portionintegral with and connecting the rim portion and said flange at spaced intervals alternating with intervals in which it is structurally separate from the rim portion and said'flange, the web portion being displaced crosswise of the shoe, with respect to its position where integral with the flange and the rim portion, where it is structurally separate from the flange and the rim portion and being permanently secured directly to the rim portion where so displaced.
  • a brake shoe comprising a rim portion and an inner reinforcingflange and a web portion integral with and connecting the rim portion and said flange at spaced intervals alternating with intervals in which it is structurally separate from the rim portion and said flange, the web portion being displaced crosswise of the shoe, with respect to its position where integral with the flange and the rim portion, where it is structurally separate from the flange and the rim portion and being welded to therim portion and the flange where so displaced.
  • a brake shoe comprising a rim portion and aweb portion integral with the rim porportion integral with and connecting the rim portion and said flange at spaced intervals alternating with intervals in which it, is structurally separate" from the rim portion and said flange, the integral intervals being along one side of the shoe.
  • a brake shoe comprising a rim portion 7 and an inner reinforcing flange and a web portion integral with and connecting the rim portion and said flange atspaced intervals alternating with intervals in which it is structurally separate from the rim portion and saidflange, the integral intervalsbein between the side edges of the. shoe.
  • a brakeshoe comprising a rim portion and a web portion integral with the rim portion at spaced intervals alternating with intervals in which the .two portions are structurally separate, the integral intervals being along one side ofthe shoe, and the web portion being at one side of the shoe at least at one end of the-shoe.
  • a brake shoe comprising a rim portion and a web portion integral with the rim portion at spaced intervals alternatingwith intervals in which the two portions are structurally sep arate, the integral intervalsbeing along one side of the shoe, and the web portion being at one side of the shoe at least at the anchored end of the shoe.
  • a brake sh'oe comprising a rim portion and. a webportion integralwith'the rim portion at spaced intervals alternating with intervals in which the two portions. are structurally separate, the integral intervals being along one side oftheshoe, and the web portion being at one side of the shoe 'at least-at the anchored end of the shoe and being approximately in the central plane of the'shoe at the unanchored-end of the shoe.
  • a brake shoe having a curved friction face and having a stiffening web undulating crosswise ofthe shoe.
  • a brake shoe having an outer rim and an inner flange connected by .a web, and

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Description

July 25, 1933- I R. A. GOEPFRICH I 1,919,550.
BRAKE SHOE Filed March 15, 1928 l N V ENTOR 'Rudolfihfldoe bfrzlch ATTORNEY Patented July 25, 1933 I UNITED STATES PATENT OFFICE f nonotrrr 'A. GOEPFRICH, E sonrrrsmvn, INDIANA. Assrenon, BY MESNE AssreivT MENTS, T0 BENDIX'AVIATION CORPORATION, OF SOUTH BEND, I1\TDIANA,A COR- PORATION OF DELAWARE BR KE snoE Application-filed March 15, 1928. sriaiiv 261,714.
This invention relates to brake shoes, and is illustrated as embodied 111 a rigid curved shoe for an internalexpandingautomobile v brake. An objectof the invention is to provide greater rigidity for ashes of this char: acter, by forming or displacing portions of the stiflening web crosswise oi": the shoe, preferably insuch a manner that the web undulates'crosswise ofthe shoe. The shoe may be formed of an element vhavingga straight web which is integral with the rim, and preferably: also, integral with an inner reinforcing flange, at intervals which alternate with portions that are structurally separate from the rim and flange and which are displaced crosswise of the shoe and then, if
desired, welded. or otherwise secured again to the rim and flange.
Other objects and teatures of the invention, including novel constructions at the ends of the shoe and various desirable details of construction; will .be apparent from the following description of two'illustrative embodiments shown in the accompanying drawing, in which:
Figure 1 isa'curved section, lengthwlseof the shoe, on the line1.1 of Figure 2, show-v ing the undulation of the web;
- Figure 2 is a section through the shoe on the line 2 2 of Figure 1;
Figures 3 and 4 are views corresponding respectively to Figures 1 and 2, but showing a diflferent shoe; f c
Figure 5 is a side elevation'o't theshoe of Figures 3 and 4; and V Figure 6 is a viewof the inner side of shoe of Figures 3 and 4; A g
The illustrated shoes are formed of eleshown 'or bent from straight members, and each havingfan outer rim 10 (to which the brake lining 12 is riveted or otherwise secured) and preferably also an inner reinforcing flange 14. The rim and flange. are connected by a web 16 (Figs. 1 and'2) or 18 (Figs. 3-6) having at, intervals portions which are integral with the rim and flange, these portions ofweb 16 being along one side of the shoe, while the corresponding portions of web 18 are between the side and a'web portion integral with the rim por edges of the shoe substantially in the central plane of the shoe Between the, integrally-connected portions of the webs 16 and 18 are structurally-sepa-. rate portions20 and 22,; preferably formed by cutting or otherwise severing the web at top and. bottom, these portions being displaced'crosswise of the shoe and if desired again secured to the rim and flange by welds 24. The portions 22 of web 18 are shown alternately displaced in opposite directions. In either case,'the result is a web undulating crosswise of the shoe. 1
At the anchoredend of the shoe, portions 26 and 28 of the rim and flange arebent smoothly around, and welded to the end of the web, which is here formed withan opening' for an anchor pivot 30. As best appears in Fi ure 6, the web 18 is preferably at one side of theshoe at its anchored end, so that. it will come next the backingplate of the brake and permit the use of avery short and rigid anchor pin.
At the other end of the shoe theweb 18 is preferably in the central plane of the shoe,
and portions 32 and 34 may be folded across g V K061145359, filed .J Line-15, 1932. ments, either formed in the curved shape v and a'web portion integral with the rim portion at spaced intervals alternating with intervals in which the'two portions are structurally separate, the web portion being displaced crosswise or the shoe, with respect to 2 its position where integral with the rim po rtion, where it is structurally separate from. the rim portion I 2. A brake shoe comprising a rim portion tion at spaced intervals alternating with tervals in which the two portions art structurally separate, the web portion being displaced crosswise of the shoe, with respect to its position where integral with the rim portion, where it is structurally separate from the ,rim portion and being permanently secured directly to the rim portion wherevso displaced.
3. A brake shoe comprising a rim portion and an inner reinforcing flange and a web portion integral with and connecting the rim portion and said flange at spaced intervals alternating with intervals in which it is structurally separate from the'rim portion and said flange- 4. A brake shoe comprising a rim portion and an inner reinforcing flange and a'web portion integral with and connecting the rim portion and said flange at spaced intervals alternating with intervals in -which it is structurallyseparate from the rim portion and saidflange, the web portion being displaced crosswise of the shoe, with'respect to its position where integral with the flange and. the rim portion, where it is structurally separate from the flange and the rim portion.
v 5. A brake shoe comprising a rim portion and an inner reinforcing flange and a web portionintegral with and connecting the rim portion and said flange at spaced intervals alternating with intervals in which it is structurally separate from the rim portion and said'flange, the web portion being displaced crosswise of the shoe, with respect to its position where integral with the flange and the rim portion, where it is structurally separate from the flange and the rim portion and being permanently secured directly to the rim portion where so displaced.
6. A brake shoe comprising a rim portion and an inner reinforcingflange and a web portion integral with and connecting the rim portion and said flange at spaced intervals alternating with intervals in which it is structurally separate from the rim portion and said flange, the web portion being displaced crosswise of the shoe, with respect to its position where integral with the flange and the rim portion, where it is structurally separate from the flange and the rim portion and being welded to therim portion and the flange where so displaced.
7. A brake shoe. comprising a rim portion and aweb portion integral with the rim porportion integral with and connecting the rim portion and said flange at spaced intervals alternating with intervals in which it, is structurally separate" from the rim portion and said flange, the integral intervals being along one side of the shoe.
.9. A brake shoe comprising a rim portion 7 and an inner reinforcing flange and a web portion integral with and connecting the rim portion and said flange atspaced intervals alternating with intervals in which it is structurally separate from the rim portion and saidflange, the integral intervalsbein between the side edges of the. shoe.
10. A brakeshoe comprising a rim portion and a web portion integral with the rim portion at spaced intervals alternating with intervals in which the .two portions are structurally separate, the integral intervals being along one side ofthe shoe, and the web portion being at one side of the shoe at least at one end of the-shoe.
11. A brake shoe comprising a rim portion and a web portion integral with the rim portion at spaced intervals alternatingwith intervals in which the two portions are structurally sep arate, the integral intervalsbeing along one side of the shoe, and the web portion being at one side of the shoe at least at the anchored end of the shoe. 1 a
12. A brake sh'oecomprising a rim portion and. a webportion integralwith'the rim portion at spaced intervals alternating with intervals in which the two portions. are structurally separate, the integral intervals being along one side oftheshoe, and the web portion being at one side of the shoe 'at least-at the anchored end of the shoe and being approximately in the central plane of the'shoe at the unanchored-end of the shoe.
13. A brake shoe having a curved friction face and having a stiffening web undulating crosswise ofthe shoe.
14. A brake shoe having an outer rim and an inner flange connected by .a web, and
with portions of the rimand flange folded
US261714A 1928-03-15 1928-03-15 Brake shoe Expired - Lifetime US1919550A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US261714A US1919550A (en) 1928-03-15 1928-03-15 Brake shoe
US617459A US1935357A (en) 1928-03-15 1932-06-15 Method of making a brake shoe

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US261714A US1919550A (en) 1928-03-15 1928-03-15 Brake shoe

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2893687A1 (en) * 2005-11-18 2007-05-25 Peugeot Citroen Automobiles Sa Drum brake shoe for motor vehicle, has rim including reinforcing ribs on its inner periphery for modifying rigidity of rim along its length so as to obtain uniform distribution of braking pressure of brake shoe on entire width of rim

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2893687A1 (en) * 2005-11-18 2007-05-25 Peugeot Citroen Automobiles Sa Drum brake shoe for motor vehicle, has rim including reinforcing ribs on its inner periphery for modifying rigidity of rim along its length so as to obtain uniform distribution of braking pressure of brake shoe on entire width of rim

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