GB307975A - Improvements in or relating to area-measuring machines for leather and other sheet material - Google Patents
Improvements in or relating to area-measuring machines for leather and other sheet materialInfo
- Publication number
- GB307975A GB307975A GB3420827A GB3420827A GB307975A GB 307975 A GB307975 A GB 307975A GB 3420827 A GB3420827 A GB 3420827A GB 3420827 A GB3420827 A GB 3420827A GB 307975 A GB307975 A GB 307975A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wheel
- work
- measuring wheel
- lever
- measuring
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/26—Measuring arrangements characterised by the use of mechanical techniques for measuring areas, e.g. planimeters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
307,975. Turner Tanning Machinery Co., Ltd., (Turner Tanning Machinery Co.). Dec. 17, 1927. Surface areas, computing.-In a Sawyer type of machine the measuring wheel is prevented from rotating before and after the hide reaches and leaves the point of approach of the wheel to the supporting roll, the measuring wheel being held out of contact with the hide and braked during such times. The measuring wheel is mounted on a lever 18 pivoted at 20 and supported adjustably by a counterweighted lever 28. Pivoted on the lever 18 at 44, 58 and pin-andslot connected thereto at 46, 56 are levers 42, 52 carrying rollers 40, 50 protruding slightly beyond the periphery of the measuring wheel. As the work enters it first engages and raises the roller 40 and thereby through the pin and slot 46 elevates the measuring wheel to an extent commensurate with the thickness of the work. The measuring wheel consequently does not begin to rotate until the leading edge reaches the lowest point of the wheel. Similarly as tne rear edge of the work leaves this point the roller 50 takes over the function of supporting the measuring wheel which therefore ceases to be driven. In order to render the control of the wheel more effective a brake 64 pivoted on the lever 18 at 66 and normally resting against an adjusting screw 76 is operative prior to entry and after departure of the work. Before the lifting of the measuring wheel by the work the weight of the wheel and its supporting lever presses the wheel against the brake. As the work is leaving. the roller 40 drops off the rear edge and thus through a contact screw 70 urges the brake against the wheel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3420827A GB307975A (en) | 1927-12-17 | 1927-12-17 | Improvements in or relating to area-measuring machines for leather and other sheet material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3420827A GB307975A (en) | 1927-12-17 | 1927-12-17 | Improvements in or relating to area-measuring machines for leather and other sheet material |
Publications (1)
Publication Number | Publication Date |
---|---|
GB307975A true GB307975A (en) | 1929-03-18 |
Family
ID=10362733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3420827A Expired GB307975A (en) | 1927-12-17 | 1927-12-17 | Improvements in or relating to area-measuring machines for leather and other sheet material |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB307975A (en) |
-
1927
- 1927-12-17 GB GB3420827A patent/GB307975A/en not_active Expired
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