GB1270551A - A device for indicating the number of complete revolutions of a drum - Google Patents

A device for indicating the number of complete revolutions of a drum

Info

Publication number
GB1270551A
GB1270551A GB3077568A GB3077568A GB1270551A GB 1270551 A GB1270551 A GB 1270551A GB 3077568 A GB3077568 A GB 3077568A GB 3077568 A GB3077568 A GB 3077568A GB 1270551 A GB1270551 A GB 1270551A
Authority
GB
United Kingdom
Prior art keywords
drum
window
indicating
observed
markings
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
GB3077568A
Inventor
Beaumont John Davies
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.)
George Richards and Co Ltd
Original Assignee
George Richards and Co 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 George Richards and Co Ltd filed Critical George Richards and Co Ltd
Priority to GB3077568A priority Critical patent/GB1270551A/en
Publication of GB1270551A publication Critical patent/GB1270551A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
    • B23Q16/02—Indexing equipment
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)

Abstract

1,270,551. Indicating devices. GEORGE RICHARDS & CO. Ltd. 18 July, 1969 [27 June, 1968], No. 30775/68. Heading B3T. In an indicating device e.g. for converting from English to metric units and vice versa, there are provided a pair of concentric relatively rotatable drums 11, 13 which are drivingly connected by gearing, the inner drum having numerical markings on its outer surface and the outer drum being provided with a window through which the markings can be observed, the markings indicating the number of complete revolutions of one drum relative to the other. The window may be itself observed through a stationary cursor window 15. In the embodiment described a further drum portion 14 extends within the inner drum 11 from the outer drum 13, a scale being provided on this portion which may be observed through a further window in the drum 11.
GB3077568A 1968-06-27 1968-06-27 A device for indicating the number of complete revolutions of a drum Expired GB1270551A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3077568A GB1270551A (en) 1968-06-27 1968-06-27 A device for indicating the number of complete revolutions of a drum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3077568A GB1270551A (en) 1968-06-27 1968-06-27 A device for indicating the number of complete revolutions of a drum

Publications (1)

Publication Number Publication Date
GB1270551A true GB1270551A (en) 1972-04-12

Family

ID=10312954

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3077568A Expired GB1270551A (en) 1968-06-27 1968-06-27 A device for indicating the number of complete revolutions of a drum

Country Status (1)

Country Link
GB (1) GB1270551A (en)

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