FR2394368A1 - de-multiplication mechanism for undoing car wheel nuts - has crown wheel and pinion in housing with collapsible counter strut - Google Patents
de-multiplication mechanism for undoing car wheel nuts - has crown wheel and pinion in housing with collapsible counter strutInfo
- Publication number
- FR2394368A1 FR2394368A1 FR7713997A FR7713997A FR2394368A1 FR 2394368 A1 FR2394368 A1 FR 2394368A1 FR 7713997 A FR7713997 A FR 7713997A FR 7713997 A FR7713997 A FR 7713997A FR 2394368 A1 FR2394368 A1 FR 2394368A1
- Authority
- FR
- France
- Prior art keywords
- pinion
- wheel
- housing
- strut
- undoing
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B17/00—Hand-driven gear-operated wrenches or screwdrivers
- B25B17/02—Hand-driven gear-operated wrenches or screwdrivers providing for torque amplification
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The automobile accessory to undo wheel nuts has a crown wheel (2) and pinion (7) demultiplication mechanism with a collapsible radial counter-strut (9). The unit contains a freely rotatable internally toothed crown wheel (2, 7) with an enmeshining pinion (1). A hexagonal socket projects axially from both the wheel (7) and the pinion (1) and on opposite sides of the housing. The tool is used with the wheel socket (5) engaging a nut, a spanner engaging the pinion socket (4), and the strut (9) contacting the ground to resist rotation of the housing (6). The unit can rotate in either direction by reversing the strut (9), and may be used on any nut or bolt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7713997A FR2394368A1 (en) | 1977-05-02 | 1977-05-02 | de-multiplication mechanism for undoing car wheel nuts - has crown wheel and pinion in housing with collapsible counter strut |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7713997A FR2394368A1 (en) | 1977-05-02 | 1977-05-02 | de-multiplication mechanism for undoing car wheel nuts - has crown wheel and pinion in housing with collapsible counter strut |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2394368A1 true FR2394368A1 (en) | 1979-01-12 |
Family
ID=9190504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7713997A Withdrawn FR2394368A1 (en) | 1977-05-02 | 1977-05-02 | de-multiplication mechanism for undoing car wheel nuts - has crown wheel and pinion in housing with collapsible counter strut |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2394368A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2445758A1 (en) * | 1979-01-05 | 1980-08-01 | Me Hy Ets E | Portable crown wheel and pinion gearing on stand - increases torque applied to automobile wheel nut by spanner with pinion axle taking input |
US4735119A (en) * | 1987-02-26 | 1988-04-05 | Riley Alfred B | Manually operated gear wrench |
EP0482227A1 (en) * | 1990-10-19 | 1992-04-29 | Yehuda Haviv | Tool for use in loosening or tightening vehicle wheel fasteners |
WO2005073122A1 (en) * | 2004-02-02 | 2005-08-11 | Xact-Design & Engineering Pty Ltd | Apparatus for converting torque |
-
1977
- 1977-05-02 FR FR7713997A patent/FR2394368A1/en not_active Withdrawn
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2445758A1 (en) * | 1979-01-05 | 1980-08-01 | Me Hy Ets E | Portable crown wheel and pinion gearing on stand - increases torque applied to automobile wheel nut by spanner with pinion axle taking input |
US4735119A (en) * | 1987-02-26 | 1988-04-05 | Riley Alfred B | Manually operated gear wrench |
EP0482227A1 (en) * | 1990-10-19 | 1992-04-29 | Yehuda Haviv | Tool for use in loosening or tightening vehicle wheel fasteners |
WO2005073122A1 (en) * | 2004-02-02 | 2005-08-11 | Xact-Design & Engineering Pty Ltd | Apparatus for converting torque |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |