US3597595A - Resetting and mounting apparatus for counting mechanisms - Google Patents

Resetting and mounting apparatus for counting mechanisms Download PDF

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Publication number
US3597595A
US3597595A US821809A US3597595DA US3597595A US 3597595 A US3597595 A US 3597595A US 821809 A US821809 A US 821809A US 3597595D A US3597595D A US 3597595DA US 3597595 A US3597595 A US 3597595A
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US
United States
Prior art keywords
rollers
casing
roller
digit
pinions
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
US821809A
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English (en)
Inventor
Alfred Zielke
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.)
ELMEG Elektro Mechanik GmbH
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ELMEG Elektro Mechanik GmbH
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Publication date
Application filed by ELMEG Elektro Mechanik GmbH filed Critical ELMEG Elektro Mechanik GmbH
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00—Design features of general application
    • G06M1/28—Design features of general application for zeroising or setting to a particular value
    • G06M1/30—Design features of general application for zeroising or setting to a particular value using heart-shaped or similar cams; using levers
    • G06M1/303—Design features of general application for zeroising or setting to a particular value using heart-shaped or similar cams; using levers with drums
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00—Design features of general application
    • G06M1/02—Housing
    • G06M1/028—Arbors, drum fixing and adjusting means

Definitions

  • FIG. 2 PATENTEU AUG 3 l9? FIG. 2
  • This invention relates to resetting and mounting apparatus for counting mechanisms and is more specifically directed to resetting and mounting apparatus used in connection with pulse counting mechanisms consisting of digit rollers that are advanced by transfer pinions.
  • Pulse counting mechanisms employing digit rollers that are selectively advanced by transfer pinions are well-known.
  • the digit rollers are freely turnable on an axle borne in two opposing sides of a casing that encloses the digit rollers.
  • the digitrollcrs are normally secured against lateral shifting by spacer discs that are placed between adjacent rollers.
  • the transfer pinions switch a successive digit roller forward by one digit after a full revolution of an associated digit roller.
  • the pinions are mounted on a common axle that is commonly borne or guided in opposing sides of the casing
  • the transfer pinion axle can also be borne on a swingable pinion bridge.
  • the axle of the transfer pinions is swung during the resetting of the digit rollers into their starting positions in such a way that the transfer pinions come out of engagement with the digit rollers.
  • the resetting operation itself is accomplished by means of heart-shaped resetting cams which are mounted laterally on the side surfaces of the digit rollers. The resetting cams normally project beyond the side surfaces and are acted on by resetting levers.
  • Pulse counting mechanisms of the foregoing type have a number of disadvantages with respect to their assembly method, particularly regarding the adjustment of the digit rollers and transfer pinions that must be accomplished in the assembly process.
  • During assembly it is necessary to mount the digit rollers on a common axle and to mount the transfer pinions on another axle inside the counter casing. Because of the small amount of space present inside the counter casing and the large number of digit rollers comprising most counting mechanisms, the assembly procedure is extremely difficult and time-consuming.
  • the proper placement of the spacer discs in relationship to the digit roller axle is extremely difficult. The same difficulty is encountered if spacer discs are used in connection with the transfer pinion axle.
  • Another object of the present invention is to provide improved means for isolating parts held on a common shaft so process is extremely that lateral displacement of one of the parts does not cause lateral displacement of other such parts.
  • Yet another object of the present invention is to provide improved means for resetting a counting mechanism that consumes a minimum of space.
  • the present invention in principal aspect, basically comprises a plurality of spacing ribs connected to a casing that holds a plurality of rollers which are selectively engageable by pinions.
  • the spacing ribs form independent chambers, each chamber being arranged to hold a single roller.
  • each chamber comprises a curved bottom surface underlining the circumference of each roller mounted therein.
  • Yet another aspect of the invention relates to a novel manner of arranging resetting cams and resetting levers that are used to reset the rollers.
  • each roller is isolated from. adjacent rollers so that lateral displacement of one roller does not cause lateral displacement of adjoining rollers.
  • manufacturing tolerance variations of individual rollers cannot accumulate since each roller is held against lateral dis placement independent of the others.
  • the lateral displacement of a given roller is limited by the space between the spacing ribs'on either side of the roller. This space is normally so slight that it does not need to be compensated by spacer discs.
  • digit rollers may be placed on their axle without the necessity of mounting spacer discs therebetween. Accordingly, a complicated, time-consuming, and expensive operation is eliminated.
  • the chamber bottom provided for in connection with another aspect of the invention provides a further advantage.
  • the chamber bottom may be used to hold the rollers during assembly. The rollers may then be easily slid onto their axle since they are partially aligned by placement on the chamber bottom.
  • the pinions may also be separated by separating ribs that form chambers within the casing.
  • Each of the chambers is provided with a chamber bottom so that the above-discussed advantages .may also be achieved with respect to the pinions.
  • FIG. 1 is a top plan view of a pulse counting mechanism constructed in accordance with the principles of the present invention, and, in which for the sake of clarity, only one resetting lever isindicated;
  • FIG. 2 is a cross-sectional view taken along line Il-II of FIG. ll.
  • the pulse counting mechanism represented in the drawing has a casing 1 which is formed of a baseplate 2, a front plate 3 and two sidewalls 4i, and is open at the top. Between the sidewalls 4 of the casing there extends an axle 5 on which three digit rollers 6 are rotatably borne.
  • spacing ribs 8 connected with the baseplate 2 and the front plate 3, which protect each of the digit rollers 6 and the drive roller 7 against lateral displacement on their common axle 5.
  • These spacing ribs 8 form, for each of the digit rollers 6 and for the drive roller '7, a chamber which has a chamber bottom.
  • Bottom 9 closely underlies the circumference of the mounted digit rollers and makes it possible to place these rollers in the individual chambers on the chamber bottom during assembly. Afterwards, from one of the sidewalls 4, an axle can be slid through the digit rollers so that the rollers are successively lifted from the chamber bottom.
  • the transfer pinions 10 standing in engagement with the digit rollers, are provided with chambers which are formed by separating ribs ll lying between them. Between these separating ribs 11 is provided a chamber bottom 12 which consists of a widened continuation of the spacing ribs 8.
  • the transfer pinions are laid in their respective chambers on the chamber bottom 12. Then an axle 14 is laterally slid through on oblong hole 13, the aligned holes in the separating ribs, and through the transfer pinions. In the process, the transfer pinions are lifted from their chamber bottom 12.
  • the oblong hole 13 also guides axle 14 in the deflection of the transfer pinions.
  • the digit rollers 6 each have on one side thereof a heartshaped resetting cam, such as exemplary cam l5.
  • Cam 15 is fitted into the digit roller in such a way that it does not project beyond the side surface and perimeter 6a thereof. In this manner, the digit rollers are kept narrower than in analogous apparatus heretofore known, so that the width of the whole counting mechanism is not increased through the use of spacing ribs.
  • the resetting cam I5 is constructed as an internal cam which is operated from the inside outward by a resetting finger 16 mounted on a resetting lever 17. That is, after the resetting of the digit rollers into their starting positions, the
  • resetting finger is situated adjacent the outer circumference of its corresponding digit roller and not, as in the known resetting cams, near its center.
  • the resetting finger 16 mounted on the resetting lever extends laterally into the resetting cam and thereby engages the cam.
  • the resetting lever 17 is thinner than each spacing rib and is borne in such a way that it can be swung adjacent the area of the roller side surface which is not covered by the adjoining spacing rib.
  • the casing may be made from a relatively pliable material without endangering the ad- 5 justment of the mechanism.
  • the drive roller 7 can be riven over a thrust pawl or a Graham escapement, and the resetting lever 17 can be swung by means of any suitable operating rod.
  • axle 14 of the transfer pinions can lie in a swingable pinion bridge or be swung in any known manner.
  • a counting mechanism comprising a casing with first and second parallel axes, said first axis holding a plurality of rollers, said second axis holding a plurality of pinions to selectively engage said rollers on said first axis
  • the improvement comprising spacing ribs connected to the casing, each of said spacing ribs being formed between a pair of the rollers on said first axis whereby the casing is divided into a first set of independent chambers with a roller in each of said first set of independent chambers, and separating ribs connected to the casing, each of said separating ribs being formed between a pair of pinions on said second axis, whereby the casing is divided into a second set of independent chambers with a pinion in each of said second set of independent chambers, said spacing ribs thereby preventing lateral displacement of one of said rollers from causing lateral displacement of other of said rollers, and said separating ribs thereby preventing lateral displacement of one of said pinions from
  • each of said spacing ribs between said rollers being parallel to the sides of said rollers and having a sloping surface curving from a point substantially near the top of an adjacent roller, through a center point of. said roller, to a point substantially near the bottom of said roller, with a recession in said sloping surface to allow said first axis to pass therethrough.
  • said separating ribs being substantially triangular in shape to allow the selective engagement of said pinions with said rollers when said second axis is transversely slid in said oblong holes.
  • each chamber in said first set comprises a curved bottom surface underlying the circumference of the roller mounted therein, said curved bottom surface being adapted to hold said roller during assembly.
  • each chamber in said second set comprises a curved bottom surface underlying the circumference of the pinion mounted therein, said curved bottom surface being adapted to hold said pinion during assembly.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Measuring Volume Flow (AREA)
  • Measurement Of Distances Traversed On The Ground (AREA)
US821809A 1968-05-06 1969-05-05 Resetting and mounting apparatus for counting mechanisms Expired - Lifetime US3597595A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681774222 DE1774222A1 (de) 1968-05-06 1968-05-06 Impulszaehlwerk,insbesondere rueckstellbares Impulszaehlwerk

Publications (1)

Publication Number Publication Date
US3597595A true US3597595A (en) 1971-08-03

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Application Number Title Priority Date Filing Date
US821809A Expired - Lifetime US3597595A (en) 1968-05-06 1969-05-05 Resetting and mounting apparatus for counting mechanisms

Country Status (4)

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US (1) US3597595A (de)
CH (1) CH492260A (de)
DE (1) DE1774222A1 (de)
FR (1) FR2007892A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766366A (en) * 1972-01-24 1973-10-16 Elmeg Axial guide for transfer pinions and digit drums in counters

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1618140A (en) * 1925-08-27 1927-02-15 Owen L Seward Counting mechanism
US2585420A (en) * 1948-07-02 1952-02-12 Lawrence R Ailes Adjustable mechanical price marker
US3108952A (en) * 1961-10-11 1963-10-29 Bergedorfer Eisenwerk A G Centrifuge rotor with discharge nozzles and mixing device
US3137444A (en) * 1961-08-30 1964-06-16 Gen Motors Corp Odometer
US3337129A (en) * 1966-08-02 1967-08-22 Veeder Industries Inc Counter
US3456877A (en) * 1967-06-14 1969-07-22 Veeder Industries Inc Counting mechanism

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1618140A (en) * 1925-08-27 1927-02-15 Owen L Seward Counting mechanism
US2585420A (en) * 1948-07-02 1952-02-12 Lawrence R Ailes Adjustable mechanical price marker
US3137444A (en) * 1961-08-30 1964-06-16 Gen Motors Corp Odometer
US3108952A (en) * 1961-10-11 1963-10-29 Bergedorfer Eisenwerk A G Centrifuge rotor with discharge nozzles and mixing device
US3337129A (en) * 1966-08-02 1967-08-22 Veeder Industries Inc Counter
US3456877A (en) * 1967-06-14 1969-07-22 Veeder Industries Inc Counting mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766366A (en) * 1972-01-24 1973-10-16 Elmeg Axial guide for transfer pinions and digit drums in counters

Also Published As

Publication number Publication date
DE1774222A1 (de) 1971-07-29
CH492260A (de) 1970-06-15
FR2007892A1 (de) 1970-01-16

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