ATE92828T1 - VARIABLE TORQUE DRIVE TOOL. - Google Patents
VARIABLE TORQUE DRIVE TOOL.Info
- Publication number
- ATE92828T1 ATE92828T1 AT88300825T AT88300825T ATE92828T1 AT E92828 T1 ATE92828 T1 AT E92828T1 AT 88300825 T AT88300825 T AT 88300825T AT 88300825 T AT88300825 T AT 88300825T AT E92828 T1 ATE92828 T1 AT E92828T1
- Authority
- AT
- Austria
- Prior art keywords
- torque
- low
- zone
- variable torque
- displaced
- Prior art date
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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/16—Handles
-
- 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
- B25B13/00—Spanners; Wrenches
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
- B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
-
- 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
- B25B15/00—Screwdrivers
- B25B15/02—Screwdrivers operated by rotating the handle
- B25B15/04—Screwdrivers operated by rotating the handle with ratchet action
-
- 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
- B25B15/00—Screwdrivers
- B25B15/06—Screwdrivers operated by axial movement of the handle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Power Steering Mechanism (AREA)
- Press Drives And Press Lines (AREA)
- Surgical Instruments (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
A hand-squeeze driver tool which serves to convert squeezing motion into rotary motion on a variable torque basis, with the torque being inversely related to the driving speed. The torque versus driving speed relationship is determined by the position of a squeeze lever (41) as it is displaced from its most extended position. Two distinct zones are provided as the squeeze lever is so displaced, namely a high torque low speed zone, and a low torque high speed zone. The provision of the high torque low speed initial zone, followed by the low torque high speed zone permits the operator intuitively to take advantage of the variable torque feature of the invention, which is provided by a traveling fulcrum which dwells at position F1 and F2 defined by sharp angles in levers (41,53).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP88300825A EP0328799B1 (en) | 1988-02-01 | 1988-02-01 | Variable torque driver tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE92828T1 true ATE92828T1 (en) | 1993-08-15 |
Family
ID=8199942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT88300825T ATE92828T1 (en) | 1988-02-01 | 1988-02-01 | VARIABLE TORQUE DRIVE TOOL. |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0328799B1 (en) |
| AT (1) | ATE92828T1 (en) |
| DE (1) | DE3883203T2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3822035A1 (en) * | 2019-11-14 | 2021-05-19 | Hilti Aktiengesellschaft | Handle device for a machine tool |
| EP3822034A1 (en) | 2019-11-14 | 2021-05-19 | Hilti Aktiengesellschaft | Method for controlling and regulating a machine tool |
| EP3822032A1 (en) | 2019-11-14 | 2021-05-19 | Hilti Aktiengesellschaft | Method for controlling and regulating a machine tool and handle for machine tool |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4524650A (en) * | 1983-05-18 | 1985-06-25 | Marks Joel S | Squeeze-ratchet tool assembly |
| US4739838A (en) * | 1986-10-28 | 1988-04-26 | Goldmar Manufacturing Co. | Hand-squeeze powered motorless driver |
-
1988
- 1988-02-01 EP EP88300825A patent/EP0328799B1/en not_active Expired - Lifetime
- 1988-02-01 DE DE88300825T patent/DE3883203T2/en not_active Expired - Fee Related
- 1988-02-01 AT AT88300825T patent/ATE92828T1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0328799B1 (en) | 1993-08-11 |
| EP0328799A2 (en) | 1989-08-23 |
| EP0328799A3 (en) | 1990-01-10 |
| DE3883203D1 (en) | 1993-09-16 |
| DE3883203T2 (en) | 1994-03-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |