US2102852A - Brake - Google Patents
Brake Download PDFInfo
- Publication number
- US2102852A US2102852A US40291A US4029135A US2102852A US 2102852 A US2102852 A US 2102852A US 40291 A US40291 A US 40291A US 4029135 A US4029135 A US 4029135A US 2102852 A US2102852 A US 2102852A
- Authority
- US
- United States
- Prior art keywords
- brake
- roller
- shaft
- backing plate
- pin
- 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
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/38—Slack adjusters
- F16D65/40—Slack adjusters mechanical
- F16D65/42—Slack adjusters mechanical non-automatic
- F16D65/46—Slack adjusters mechanical non-automatic with screw-thread and nut
Definitions
- This invention relates to brakes, and is illus-
- 8 is yieldingly held in place by a spring
- An object of the invention is to provide novel
- This means is intendurging the shaft upwardly in Figure 4 until a ed to be carried by the backing plate of the snap-ring
- the shaft also carries stop for one of the shoes, shown as including a a washer
- 42 are formed with reduced-diameter cally on the pin to adjust it, for example a pinion ends slidingly engaging the backing plate. 01 the like operable from outside the brake.
- the brake also includes a shoe-positioning de- Other objects and features, including various vice shown in detail in Figures 4 and 5.
- This de- 15 novel combinations of parts and desirable parvice includes a cam-shaped or eccentric-edged ticular constructions, will be apparent from the roller
- 44 with the 20 Figure 1 is a partial sectional view vertically attached operating member
- 50 is compressed between Figure 2 is a partial section on the line 2-2 of roller
- the shoes have at their lower ends Whiletwo illustrative embodiments have been sockets
- a brake positioning device adapted to be 45 an adjusting member H4. mounted on a brake backing plate and compris- Member
- 8 is journaled in two end plates
- a brake positioning device comprising a pin,
- a brake positioning device comprising an eccentrically-pivoted roller having secured thereto a base spaced from said roller and formed with teeth in its periphery, and an operating member having teeth meshing with the teeth Vof said base.
- a brake positioning device comprising an eccentrically-pivoted roller having secured thereto a. base spaced from said roller and formed with teeth in its periphery, an operating member having teeth meshing with the teethrof said base, and a yielding locking device for the operating member.
Description
Dee. 21, 1937.
L, E. LA BRIE BRAKE Filed sept. 12, 19:55
- INVENToR. 0065/95 /P/f' ATTORNEY Patented Dec. 21, 1937 I y UNITED STATES PATENT GFFEQE BRAKE Ludger E. La Brie, South Bend, Ind., assignor to Bendix Aviation Corporation, South Bend, Ind., a corporation of Delaware Application September 12, 1935, Serial No. 40,291
4 Claims. (Cl. 18S-'78) This invention relates to brakes, and is illus- |22 (Figure 3) and spacer sleeve |24 mounted trated as embodied in internal expanding autothereon between the end plates. mobile brakes of the shiftable anchorage type. Shaft I |8 is yieldingly held in place by a spring An object of the invention is to provide novel |26, confined between the outer end plate |20 and and improved positioning means for the brake a snap-ring in the end of the shaft, the spring shoes or their equivalents. This means is intendurging the shaft upwardly in Figure 4 until a ed to be carried by the backing plate of the snap-ring |28 carried by the shaft engages the brake, and preferably includes a novel adjustable second end plate |20. The shaft also carries stop for one of the shoes, shown as including a a washer |30 covering an enlarged opening in 10 xed pin engaging the shoe web at its end and the backing plate through which the shaft pro- 10 carrying a roller engaging the shoe rim. Means jects.
may be provided for turning the roller eccentri- Pivots |42 are formed with reduced-diameter cally on the pin to adjust it, for example a pinion ends slidingly engaging the backing plate. 01 the like operable from outside the brake. The brake also includes a shoe-positioning de- Other objects and features, including various vice shown in detail in Figures 4 and 5. This de- 15 novel combinations of parts and desirable parvice includes a cam-shaped or eccentric-edged ticular constructions, will be apparent from the roller |44 engaging the inner face of the shoe rim, following description of the illustrative embodiand having welded or otherwise secured'thereto ments shown in the accompanying drawing, in the hub of a stamping |46 having a base engagwhich: ing the backing plate. The roller |44, with the 20 Figure 1 is a partial sectional view vertically attached operating member |46, is sleeved on a through the brake, just inside the head of the pin |48 riveted to the backing plate and having brake drum, and showing the shoes in side eleits end in supporting engagement with the side of vation; the shoe web. A spring |50 is compressed between Figure 2 is a partial section on the line 2-2 of roller |44 and a snap-ring |45 in the end of pin 25 Figure 1, showing the adjusting means of this |48.
brake; The base of member |46 is formed with teeth Figure 3 is a partial radial section theremeshing with the teeth of a small pinion |52 through, on the line 3-3 of Figure 1; and formed or mounted on an operating shaft |54 ex- Figures 4 and 5 are partial sections, on the lines tending through the backing plate and formed to 30 4--4 and 5 5, showing the adjustable stop of my be grasped by a wrench or the like. A sprin |50 improved shoe-positioning means. sleeved on the shaft |54 is compressed between a In the brake illustrated, shoes 24 and 26 are snap-ring |55 on the shaft and a locking washer associated with a drum 2| and a backing plate 22 |58 keyed on the shaft. Washer |58 is formed as described in my Patent No. 2,044,990, granted with an annular series of openings yieldingly en- 35 June 23, 1936. The particular drum shown in gageable, against the resistance of spring |56, the drawing is covered by my Patent No. 2,057,725, with a locking projection |50 carried by the backgranted October V20, 1936. ing plate.
In this brake, the shoes have at their lower ends Whiletwo illustrative embodiments have been sockets |08 formed by registering grooves in described in detail, it is not my intention to limit 40 stampings ||0 spot-welded or otherwise secured the scope of my invention to those particular emto the webs of the shoes. stampings ||0 also bodiments, or otherwise than by the terms of the carry transverse pivots |42 having central threadappended claims.
ed openings adjustably receiving oppositely-ex- I claim: 45 tending right-and-left threaded stems formed on 1. A brake positioning device adapted to be 45 an adjusting member H4. mounted on a brake backing plate and compris- Member ||4 is shown centrally formed with a ing a fixed pin to be carried by the plate and worm wheel IIB meshing with and driven by a adapted to engage and support at its end the web worm formed on a cross shaft ||8, floating with of a brake shoe, a roller eccentrieally mounted on the above-described adjustable joint, and the the pin and adapted to engage and support the 50 end of which extends outside the backing plate rim of said shoe, and a device for turning the and is there formed to be grasped by a wrench. roller including a pinion having an operating Shaft l|8 is journaled in two end plates |20, stem extending through the backing plate. slotted to be mounted on the reduced-diameter 2. A brake positioning device comprising a pin,
ends of the pivots ||2 and. held by a clamp bolt aroller sleeved on the pin, a spacer secured to the 55 roller and having a hub sleeved on the pin, and a spring engaging the roller and urging the roller and spacer yieldingly to a, position determined by the spacer.
3. A brake positioning device comprising an eccentrically-pivoted roller having secured thereto a base spaced from said roller and formed with teeth in its periphery, and an operating member having teeth meshing with the teeth Vof said base.
4. A brake positioning device comprising an eccentrically-pivoted roller having secured thereto a. base spaced from said roller and formed with teeth in its periphery, an operating member having teeth meshing with the teethrof said base, and a yielding locking device for the operating member.
LUDGER E. LA BRIE.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US40291A US2102852A (en) | 1935-09-12 | 1935-09-12 | Brake |
US140898A US2124786A (en) | 1935-09-12 | 1937-05-05 | Brake |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US40291A US2102852A (en) | 1935-09-12 | 1935-09-12 | Brake |
Publications (1)
Publication Number | Publication Date |
---|---|
US2102852A true US2102852A (en) | 1937-12-21 |
Family
ID=21910192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US40291A Expired - Lifetime US2102852A (en) | 1935-09-12 | 1935-09-12 | Brake |
Country Status (1)
Country | Link |
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US (1) | US2102852A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2626684A (en) * | 1943-01-14 | 1953-01-27 | Bendix Aviat Corp | Brake |
US3165175A (en) * | 1961-06-30 | 1965-01-12 | Girling Ltd | Adjuster for shoe drum brakes |
-
1935
- 1935-09-12 US US40291A patent/US2102852A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2626684A (en) * | 1943-01-14 | 1953-01-27 | Bendix Aviat Corp | Brake |
US3165175A (en) * | 1961-06-30 | 1965-01-12 | Girling Ltd | Adjuster for shoe drum brakes |
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