GB1399857A - Timing devices - Google Patents
Timing devicesInfo
- Publication number
- GB1399857A GB1399857A GB923971A GB923971A GB1399857A GB 1399857 A GB1399857 A GB 1399857A GB 923971 A GB923971 A GB 923971A GB 923971 A GB923971 A GB 923971A GB 1399857 A GB1399857 A GB 1399857A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dial
- fixed
- june
- rack
- driving mechanism
- 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
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B19/00—Indicating the time by visual means
- G04B19/04—Hands; Discs with a single mark or the like
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B19/00—Indicating the time by visual means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Toys (AREA)
- Measurement Of Predetermined Time Intervals (AREA)
Abstract
1399857 Timers E S PERRY Ltd 1 June 1972 [13 June 1971] 9239/71 Heading G3T [Also in Division G5] A device for measuring off a fixed time interval and which may be used as a teaching aid comprises a fixed dial 11 of helical form and having a slit through which a movable dial 10 is screwed as the latter is rotated by a driving mechanism, the action being produced by a pin 15 on the dial 10 engaging a helical groove 14 in a fixed member 12. As shown the driving mechanism is a weight 4 attached to a rack 2 and able to be raised by a lever 7. A pinion 3 meshes with the rack and drives a member 6 through a clutch, the member 6 having axially extending dogs 8 which engage tapezoidal grooves (9) Fig. 4, (not shown) in the dial (10) to permit the necessary axial movement of the latter. The device runs for one minute and gives a display in the form of an arcuate band increasing from zero to a complete annulus.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB923971A GB1399857A (en) | 1971-06-13 | 1971-06-13 | Timing devices |
AU43035/72A AU470674B2 (en) | 1971-06-13 | 1972-06-02 | Continuous wipe-out clocks |
US00260450A US3796043A (en) | 1971-06-13 | 1972-06-07 | Continuous wipe-out clocks |
FR7221021A FR2141823B1 (en) | 1971-06-13 | 1972-06-12 | |
DE19722228776 DE2228776A1 (en) | 1971-06-13 | 1972-06-13 | Timing device |
IT25608/72A IT956517B (en) | 1971-06-13 | 1972-06-13 | CONTINUOUS DISPLAY CLOCKS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB923971A GB1399857A (en) | 1971-06-13 | 1971-06-13 | Timing devices |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1399857A true GB1399857A (en) | 1975-07-02 |
Family
ID=9868094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB923971A Expired GB1399857A (en) | 1971-06-13 | 1971-06-13 | Timing devices |
Country Status (6)
Country | Link |
---|---|
US (1) | US3796043A (en) |
AU (1) | AU470674B2 (en) |
DE (1) | DE2228776A1 (en) |
FR (1) | FR2141823B1 (en) |
GB (1) | GB1399857A (en) |
IT (1) | IT956517B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4006588A (en) * | 1975-11-19 | 1977-02-08 | Mcmahon Robert J | Wrist watch |
US5872746A (en) * | 1996-05-30 | 1999-02-16 | Sanitoy, Inc. | Clock timer with clock face transforming from a frowning orientation to a smiling orientation |
FR2781578A1 (en) * | 1998-07-23 | 2000-01-28 | Modolo Associates Sa Di | Clock for displaying time on table, comprises conical housing which contains clock mechanism, lever driven by clock mechanism and able to impel housing around supporting table |
US7274375B1 (en) | 2002-11-19 | 2007-09-25 | Peter David | Timekeeping system and method for graphically tracking and representing activities |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US183019A (en) * | 1876-10-10 | Improvement in clocks | ||
US1806678A (en) * | 1931-05-26 | farkas | ||
US349878A (en) * | 1886-09-28 | Clock | ||
US1846928A (en) * | 1931-02-04 | 1932-02-23 | Willens George | Combination clock and sign |
US1877732A (en) * | 1931-09-05 | 1932-09-13 | Seth Thomas Clock Company | Imitation hour glass clock |
US2011517A (en) * | 1934-09-04 | 1935-08-13 | Arthur J Geoffrion | Clock dial |
US2547468A (en) * | 1947-02-26 | 1951-04-03 | Hussey Paul | Second-marking clock |
US2785530A (en) * | 1955-03-28 | 1957-03-19 | Mayer Arthur | Disk time indicating device |
US3616643A (en) * | 1968-01-10 | 1971-11-02 | Marilyn J Maus | Timepiece for identifying time by color |
-
1971
- 1971-06-13 GB GB923971A patent/GB1399857A/en not_active Expired
-
1972
- 1972-06-02 AU AU43035/72A patent/AU470674B2/en not_active Expired
- 1972-06-07 US US00260450A patent/US3796043A/en not_active Expired - Lifetime
- 1972-06-12 FR FR7221021A patent/FR2141823B1/fr not_active Expired
- 1972-06-13 DE DE19722228776 patent/DE2228776A1/en not_active Withdrawn
- 1972-06-13 IT IT25608/72A patent/IT956517B/en active
Also Published As
Publication number | Publication date |
---|---|
IT956517B (en) | 1973-10-10 |
AU470674B2 (en) | 1973-12-13 |
AU4303572A (en) | 1973-12-13 |
US3796043A (en) | 1974-03-12 |
DE2228776A1 (en) | 1972-12-28 |
FR2141823A1 (en) | 1973-01-26 |
FR2141823B1 (en) | 1977-12-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] |