GB1491311A - Rotary drive anti-backlash device - Google Patents
Rotary drive anti-backlash deviceInfo
- Publication number
- GB1491311A GB1491311A GB1115/75A GB111575A GB1491311A GB 1491311 A GB1491311 A GB 1491311A GB 1115/75 A GB1115/75 A GB 1115/75A GB 111575 A GB111575 A GB 111575A GB 1491311 A GB1491311 A GB 1491311A
- Authority
- GB
- United Kingdom
- Prior art keywords
- drum
- spring
- drive
- shaft
- section
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
- F16H2057/121—Arrangements for adjusting or for taking-up backlash not provided for elsewhere using parallel torque paths and means to twist the two path against each other
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rotary Pumps (AREA)
- Fuel-Injection Apparatus (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Gear Transmission (AREA)
Abstract
1491311 Toothed gearing VEEDER INDUSTRIES Inc 10 Jan 1975 [11 Jan 1974] 1115/75 Heading F2Q In a gear train 34, an anti-back-lash device 60 comprises a drum 62, secured to a shaft 40 by a pin 69, and a helical coil spring 64 encircling the drum and having a first section 81 in frictional engagement with the drum and a second section out of contact with a reduced portion 72 of the drum 64 and forming a torsion spring section 82 which becomes loaded when drive is transmitted through the gear train 34. The spring 64 has a free end 74 and an end 76 which engages a fixed post 80. On the commencement of drive, in the anti-clockwise direction as seen in Fig. 2, the torsion spring section becomes loaded, the drive being transmitted through the frictional engagement of the spring section 81 with the drum. After an angular displacement of about 90 degrees the spring drive slips. When the transmission of drive ceases, the spring 64 turns the drive train in the reverse direction to eliminate back-lash. In a modification, shown in Fig. 4, drum 91 is rotatably mounted on shaft 40 and is prevented from rotating by an arm engaging a fixed post 80. In a modification, shown in Fig. 4, drum 91 is rotatably mounted on shaft 40 and is prevented from rotating by an arm engaging a fixed post 80. One end of the spring engages an aperture 95 in a member 96 secured to shaft 40. On rotation of drive shaft 40, the spring becomes torsionally loaded and rotates with the shaft 40, the friction portion slipping on the drum 91. The mechanism is applied to a fuel delivery pump.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00432577A US3847347A (en) | 1974-01-11 | 1974-01-11 | Rotary drive anti-backlash device |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1491311A true GB1491311A (en) | 1977-11-09 |
Family
ID=23716740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1115/75A Expired GB1491311A (en) | 1974-01-11 | 1975-01-10 | Rotary drive anti-backlash device |
Country Status (3)
Country | Link |
---|---|
US (1) | US3847347A (en) |
DE (1) | DE2500853A1 (en) |
GB (1) | GB1491311A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2218182A (en) * | 1988-03-22 | 1989-11-08 | Messerschmitt Boelkow Blohm | Mechanical gear assembly |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4365147A (en) * | 1981-10-08 | 1982-12-21 | Veeder Root Industries, Inc. | Rotary drive anti-overtravel device |
US4365146A (en) * | 1981-10-08 | 1982-12-21 | Veeder Root Industries Inc. | Rotary drive anti-backlash device |
EP1326036B1 (en) * | 2002-01-03 | 2008-07-02 | Parker-Hannifin Corporation | Noise reduction structure for power take-off unit gear assembly |
CN115196281B (en) * | 2022-07-21 | 2023-08-18 | 江苏信息职业技术学院 | Chip gap-eliminating feeding and separating device and gap-eliminating method |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1036947A (en) * | 1963-10-18 | 1966-07-20 | Kienzle Apparate Gmbh | Indicating device for counting and/or calculating apparatus |
US3355100A (en) * | 1967-02-17 | 1967-11-28 | Rockwell Mfg Co | Computing mechanism for counters |
-
1974
- 1974-01-11 US US00432577A patent/US3847347A/en not_active Expired - Lifetime
-
1975
- 1975-01-10 DE DE19752500853 patent/DE2500853A1/en not_active Withdrawn
- 1975-01-10 GB GB1115/75A patent/GB1491311A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2218182A (en) * | 1988-03-22 | 1989-11-08 | Messerschmitt Boelkow Blohm | Mechanical gear assembly |
Also Published As
Publication number | Publication date |
---|---|
US3847347A (en) | 1974-11-12 |
DE2500853A1 (en) | 1975-07-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |