GB735566A - Improvements in and relating to stop devices for mechanisms - Google Patents

Improvements in and relating to stop devices for mechanisms

Info

Publication number
GB735566A
GB735566A GB1003052A GB1003052A GB735566A GB 735566 A GB735566 A GB 735566A GB 1003052 A GB1003052 A GB 1003052A GB 1003052 A GB1003052 A GB 1003052A GB 735566 A GB735566 A GB 735566A
Authority
GB
United Kingdom
Prior art keywords
sleeve
control member
shaft
worm
path
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
Application number
GB1003052A
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.)
Smith Meters Ltd
Original Assignee
Smith Meters Ltd
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 Smith Meters Ltd filed Critical Smith Meters Ltd
Priority to GB1003052A priority Critical patent/GB735566A/en
Publication of GB735566A publication Critical patent/GB735566A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F15/00Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
    • G07F15/001Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity for gas

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Beverage Vending Machines With Cups, And Gas Or Electricity Vending Machines (AREA)

Abstract

735,566. Locking rotary elements. SMITH METERS, Ltd., and CHARLES, J. A. April 21, 1953 [April 21, 1952], No. 10030/52. Class 80 (4). A stop device for a rotary shaft 1, Fig. 1, comprises a sleeve 2 with a collar 3 secured to the shaft and a sleeve 5 mounted upon the sleeve 2 'for a certain amount of relative rotation thereto as allowed by a pin-and-slot coupling 7, 8. The collar 3 and sleeve 5 have radially projecting lugs 4, 6 thereon respectively with interengaging helical surfaces so that on movement of a control member 9 axially into the path of lug 6 the initial engagement thereof effects a relative rotation and axial movement of sleeve 5 into full engagement with the member 9 until the pin 7 engages the side of the slot 8 to stop positively the shaft 1. On removal of the control member 9 from the path of lug 6 the shaft 1 can again rotate and the sleeve 5 falls to its original position relative to sleeve 2 by gravity and/or spring pressure. In a modified arrangement shown in Fig. 4 applied to a gas meter prepayment mechanism a sleeve 10 secured to the shaft of a worm 20 which is to be controlled has a gapped flange 11 with which a disc 14 with axially extending parts 16 and inclined cam surfaces 17 co-operates. When a control member 27 is moved axially into the path of disc 14 the latter is first held and moved axially into full engagement with the member 27 until a shoulder 18 of the cam surfaces is engaged to stop rotation of the worm 20. The worm 20 is driven from the meter mechanism and drives the toothed planet carrier 21 of the quantity mechanism and then through a Geneva mechanism 23, 24 a cam 25 which operates a lever 26 carrying the control member 27. This lever may also actuate a gas supply valve, if desired. The worm 20 is released by the control member 27 on reverse movement of the cam 25 effected by the drive from the coin-holder on a prepayment being made.
GB1003052A 1952-04-21 1952-04-21 Improvements in and relating to stop devices for mechanisms Expired GB735566A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1003052A GB735566A (en) 1952-04-21 1952-04-21 Improvements in and relating to stop devices for mechanisms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1003052A GB735566A (en) 1952-04-21 1952-04-21 Improvements in and relating to stop devices for mechanisms

Publications (1)

Publication Number Publication Date
GB735566A true GB735566A (en) 1955-08-24

Family

ID=9960156

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1003052A Expired GB735566A (en) 1952-04-21 1952-04-21 Improvements in and relating to stop devices for mechanisms

Country Status (1)

Country Link
GB (1) GB735566A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3026790A1 (en) * 2014-10-02 2016-04-08 Musthane ENGINE STARTER

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3026790A1 (en) * 2014-10-02 2016-04-08 Musthane ENGINE STARTER

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