US860239A - Slack-adjuster. - Google Patents

Slack-adjuster. Download PDF

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Publication number
US860239A
US860239A US34443206A US1906344432A US860239A US 860239 A US860239 A US 860239A US 34443206 A US34443206 A US 34443206A US 1906344432 A US1906344432 A US 1906344432A US 860239 A US860239 A US 860239A
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United States
Prior art keywords
rod
slack
stirrup
brake
adjuster
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
US34443206A
Inventor
Augustus Parker-Smith
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.)
ATLAS SLACK ADJUSTER Co
Original Assignee
ATLAS SLACK ADJUSTER 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 ATLAS SLACK ADJUSTER Co filed Critical ATLAS SLACK ADJUSTER Co
Priority to US34443206A priority Critical patent/US860239A/en
Application granted granted Critical
Publication of US860239A publication Critical patent/US860239A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H15/00—Wear-compensating mechanisms, e.g. slack adjusters
    • B61H15/0007—Wear-compensating mechanisms, e.g. slack adjusters mechanical and self-acting in one direction
    • B61H15/0014—Wear-compensating mechanisms, e.g. slack adjusters mechanical and self-acting in one direction by means of linear adjustment
    • B61H15/0021—Wear-compensating mechanisms, e.g. slack adjusters mechanical and self-acting in one direction by means of linear adjustment with cams, by friction or clamping

Definitions

  • extension and clutch dog 13 will hold top rod 6 while My invention relates to mechanism for automatic clutch dog 9 is shoved to the right along the top red a ally adjusting the brake rigging on a railway or ot corresponding distance. This will take up the slack. 10 car sothat uniform maximum travel of the piston will By varying the length of portion 17 of the stirrup extenbe preserved as the brake shoes wear down. sion, or the thickness of stop 21, the permissible piston The best form of apparatus at present known to me t avel may be varied. embodying my invention is shown in the accompany- The advantages of my invention comprise its case ing drawing in which of attachment to existing apparatus, cheapness and l 5
  • Figure 1 is a plan view of a portion of the usual brake simplicity and accuracy of action.
  • top rod adjustable gripping device pivoted to one brake levcr and 6 is not pivoted direct to brake lever 3 but Passes grasping the corresponding top red and a second ad ustable gripping device also grasping said top red and having 25 through h clutch stlmlp 8 as shown 1n g- The a lost motion connection with the other top red.
  • stirrup 8 is pivoted 130 the brake lever and contains the In a slack adjusting device for railway brakes the perforated clutch dog 9, engaging top rod 6, fulcrumed combination with the usual brake levers, and top rods, 01
  • i a friction clutch pivoted to one brake lever and grasping on the beveled" corner 10 of the stlnup and held In the corresponding top red and a second take-up friction Operative Po by Spring
  • the inner end of clutch also grasping the said top rod and having a lost 30 rod 6 is grasped by a second, adjustable 611113011 01 other motion connection with the other top red.
  • i i device preferably composed of the stirrup 12 3.

Description

PATENTED JULY 16, 1907.
Njo."860,239.
Y A. PARKER-SMITH.
SLACK ADJUSTER.
APPLICATION FILED NOV. 21,1806.
wuowtoz l P UNITED STATES PATENT OFFICE.
AUGUSTUS PARKER-SMITH, OF NEW YORK, N. Y., ASSIGNOR TO ATLAS SLACK ADJUSTER COMPANY, A CORPORATION OF NEW YORK.
SLACK-ADJUSTER.
No, 860,239. I Specification of Letters Patent. Patented July 16, 1907. Application filed November 21, 1906. Serial No. 344.432.
To all whom it may concern: In operation the take-up clutch comprising the Be it known that I, AUGUSTUS PARKER-SMITH, a stiirup 12 will move with the top red 6, until excess citizen of the United States of America, and a resident travel of piston rod 2 occurs. Then portion 16 of the of the borough of Manhattan, city, county, and State stirrup extension will strike stop 21, and shove clutch 5 of New York, have invented certain new and useful dog 13 to the right along top red 6. On release 01" Improvements in Slack-Adjusters, of which the folbrakes stop 21 will strike portion 18 of the stirrup lowing is a specification. extension and clutch dog 13 will hold top rod 6 while My invention relates to mechanism for automatic clutch dog 9 is shoved to the right along the top red a ally adjusting the brake rigging on a railway or ot corresponding distance. This will take up the slack. 10 car sothat uniform maximum travel of the piston will By varying the length of portion 17 of the stirrup extenbe preserved as the brake shoes wear down. sion, or the thickness of stop 21, the permissible piston The best form of apparatus at present known to me t avel may be varied. embodying my invention is shown in the accompany- The advantages of my invention comprise its case ing drawing in which of attachment to existing apparatus, cheapness and l 5 Figure 1 is a plan view of a portion of the usual brake simplicity and accuracy of action.
rigging with my invention appl ed he n F g- Other forms of gripping devices might be substi- 2 is a side elevation of the same with parts bro iW- tuted for the friction clutches shown and other forms Throughout the drawings like figures ind like of lost motion connection used, but I believe those parts. illustrated to be the best adapted to the work. 20 1 IS the compressed air cylinder, 2 the piston, 3 the Having, therefore, described my invention, I claim: g hand brake ev 4 the left hand brake 5 1. In a slack adjusting device for railway brakes the the tie IOdfG the right hand top rod and 7 the left hand combination with the usual brake levers and top rods of an top Tod all of usual Construction except that top rod adjustable gripping device pivoted to one brake levcr and 6 is not pivoted direct to brake lever 3 but Passes grasping the corresponding top red and a second ad ustable gripping device also grasping said top red and having 25 through h clutch stlmlp 8 as shown 1n g- The a lost motion connection with the other top red.
stirrup 8 is pivoted 130 the brake lever and contains the In a slack adjusting device for railway brakes the perforated clutch dog 9, engaging top rod 6, fulcrumed combination with the usual brake levers, and top rods, 01
i a friction clutch pivoted to one brake lever and grasping on the beveled" corner 10 of the stlnup and held In the corresponding top red and a second take-up friction Operative Po by Spring The inner end of clutch also grasping the said top rod and having a lost 30 rod 6 is grasped by a second, adjustable 611113011 01 other motion connection with the other top red. i i device preferably composed of the stirrup 12 3. In a slack adjusting device for railway brakes the x I combination with the usual brake levers and top rods, of dutch dog and spring An extenslon 15 of thls a stirrup pivoted to one brake lever perforated for the passtirrup has any suitable 1051; motion connection with sage of a top red and provided with a clutch dog engaging the other top rod 7, either dn'ectly 01' through any C011- said rod and a second similar stirrup mounted on the S0 35 i t m h i A Shown7 thi 1 t ti inner end of the top red and having a bent extension, a rod engaging said bent extension and pivoted to the other nectloil conslsts Of,the bent poltlons l7 and 18 O brake lever, and a projection on said rod limiting the the Stmup extenslon the Supplementary 10d 19 movement over it of the stirrup extension.
pivoted to the other p rod and to the brake lever Signed at New York, N. Y., this 19th day of November, 4 by the common pin 20. The portions 16 and 18 of 1906. 40 the stirrup extension are perforated to permit the pas- PARKERSLUTIL sage of the rod 19 and the projection 21, which is a nut witnesses or ring riveted to the rod 19, is located between the MANUEL c, L EZ,
two perforated portions of the stirrup extension. M C wrono.
US34443206A 1906-11-21 1906-11-21 Slack-adjuster. Expired - Lifetime US860239A (en)

Priority Applications (1)

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US34443206A US860239A (en) 1906-11-21 1906-11-21 Slack-adjuster.

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US34443206A US860239A (en) 1906-11-21 1906-11-21 Slack-adjuster.

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