CA2541354C - Multi-bit, dual-mode screwdriver for either manual or powered actuation - Google Patents

Multi-bit, dual-mode screwdriver for either manual or powered actuation Download PDF

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Publication number
CA2541354C
CA2541354C CA2541354A CA2541354A CA2541354C CA 2541354 C CA2541354 C CA 2541354C CA 2541354 A CA2541354 A CA 2541354A CA 2541354 A CA2541354 A CA 2541354A CA 2541354 C CA2541354 C CA 2541354C
Authority
CA
Canada
Prior art keywords
screwdriver
mode
dual
driveshaft
bit
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 - Fee Related
Application number
CA2541354A
Other languages
French (fr)
Other versions
CA2541354A1 (en
Inventor
Peter Kielland
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CA002505539A external-priority patent/CA2505539A1/en
Application filed by Individual filed Critical Individual
Priority to CA2541354A priority Critical patent/CA2541354C/en
Publication of CA2541354A1 publication Critical patent/CA2541354A1/en
Application granted granted Critical
Publication of CA2541354C publication Critical patent/CA2541354C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25FCOMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02Construction of casings, bodies or handles
    • B25F5/029Construction of casings, bodies or handles with storage compartments
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B15/00Screwdrivers
    • B25B15/001Screwdrivers characterised by material or shape of the tool bit
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25GHANDLES FOR HAND IMPLEMENTS
    • B25G1/00Handle constructions
    • B25G1/08Handle constructions with provision for storing tool elements
    • B25G1/085Handle constructions with provision for storing tool elements for screwdrivers, wrenches or spanners

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

A dual-mode screwdriver has a manual and powered actuation mode achieved by inverting the screwdriver body. The screwdriver has a driveshaft having two ends each adapted for receiving the shank of a screwdriver bit. The body contains a plurality of slots for storing a plurality of screwdriver bits. Magnets are contained in each of the slots for retaining the bits within their respective slots. The outside surface of the body is contoured for hand gripping and torquing. The driveshaft is adapted for coupling to a powered drill.

Claims (39)

1. A dual-mode screwdriver for manual and powered actuation comprising a Driveshaft having a body end and an opposite end and a body disposed around said driveshaft body end, so that when said dual-mode screwdriver is in said manual rotation mode said body is adapted for hand gripping and torquing and said driveshaft opposite end receives a screwdriver bit and when the screwdriver is in powered rotation mode the driveshaft opposite end couples to powered rotation means and the driveshaft body end receives said screwdriver bit, the result being that the dual-mode screwdriver moves from manual rotation mode to powered rotation mode by inverting the body and coupling the driveshaft opposite end to said powered rotation means.
2. A dual-mode screwdriver for manual and powered actuation comprising a driveshaft having a body end and an opposite end and a body comprising integral screwdriver bit storage means disposed in said driveshaft body end, so that when said dual-mode screwdriver is in said manual rotation mode said body is adapted for hand gripping and torquing and said driveshaft opposite end receives a screwdriver bit and when the screwdriver is in powered rotation mode the driveshaft opposite end couples to powered rotation means and the driveshaft body end receives said screwdriver bit, the result being that dual-mode screwdriver moves from manual rotation mode to powered rotation mode by inverting the body and coupling the driveshaft opposite end to said powered rotation means.
3. The dual-mode screwdriver as claimed in claim 2 wherein said integral screwdriver bit storage means is adapted to store a plurality of screwdriver bits.
4. The dual-mode screwdriver as claimed in claim 3 wherein the integral screwdriver bit storage means comprises a plurality of storage slots parallel to the driveshaft and distributed radially around the circumference of the body.
5. The dual-mode screwdriver as claimed in claim 3 wherein the integral screwdriver bit storage means comprises a plurality of storage cavities parallel to the driveshaft and distributed within the body radially about the driveshaft.
6. The dual-mode screwdriver as claimed in claim 4 wherein each slot of said plurality of slots comprises a diameter, an open top end, an open bottom end and an open side, and wherein said open side comprises a first edge and a second edge separated by a gap.
7. The dual-mode screwdriver as claimed in claim 6 wherein said diameter is sufficient to permit finger manipulation of the screwdriver bit stored within each storage slot of the plurality of storage slots.
8. The dual-mode screwdriver as claimed in claim 7 wherein the screwdriver bit has a hexagonal cross-sectional profile and includes six facets and six vertices and further wherein each storage slot of the plurality of storage slots has in inner surface and wherein the diameter is such that said six facets are in biased contact with said inner surface.
9. The dual-mode screwdriver as claimed in claim 8 wherein said first edge and said second edges act against the screwdriver bit stored in each slot of said plurality of slots in a biasing action thereby retaining it therein and further wherein said gap permits access to the screwdriver bit for user manipulation and removal.
10. The dual-mode screwdriver as claimed in claim 9 wherein each slot of the plurality of slots includes a hexagonal cross-sectional profile to match said hexagonal cross-sectional profile of the screwdriver bit so that said six vertices are oriented within each slot of the plurality of slots for user manipulation.
11. The dual-screwdriver as claimed in claim 10 wherein the body further comprises a domed end and a flat end wherein said domed end is flush with the body end of the driveshaft.
12. The dual-mode screwdriver as claimed in claim 11 wherein the domed end is adapted to accept axial ergonomic hand pressure from the user in the manual rotation mode and further wherein said hand pressure is transmitted axially down the driveshaft to a work piece engaged with the screwdriver bit.
13. The dual-mode screwdriver as claimed in claim 12 wherein the driveshaft has a first portion covered by the body and a second uncovered portion extending from the body.
14. The dual-mode screwdriver as claimed in claim 13 wherein the driveshaft has a hexagonal cross-sectional profile for coupling with supplemental torque addition means in manual rotation mode.
15. The dual-mode screwdriver as claimed in claim 14 wherein the driveshaft has a circular cross-sectional profile.
16. The dual-mode screwdriver as claimed in claim 15 wherein said supplemental torque addition means in manual rotation mode is a box wrench.
17. The dual-mode screwdriver as claimed in claim 16 wherein the driveshaft opposite end is a predetermined distance below said body flat end.
18. The dual-mode screwdriver as claimed in claim 17 wherein said predetermined distance is between 1 inch and 1.5 inches.
19. The dual-mode screwdriver as claimed in claim 18 wherein said screwdriver bit comprises a bit end and a hexagonal bit shank, and wherein said hexagonal bit shank includes a knurled portion, and further wherein said knurled portion is adapted to engage the finger nail of the user for easy screwdriver bit manipulation.
20. The dual-mode screwdriver as claimed in claim 19 wherein the driveshaft body end and driveshaft opposite end include a first and second hexagonal socket respectively, wherein said first and second hexagonal socket is adapted to receive the hexagonal bit shank in tight removable placement.
21. The dual-mode screwdriver as claimed in claim 20 further comprising magnet means inside of the first and second hexagonal sockets for retaining the hexagonal bit shank.
22. The dual-mode screwdriver as claimed in claim 21 wherein each slot of said plurality of bit storage slots has a predetermined length and a predetermined diameter so that at least one bit can be stored therein.
23. The dual-mode screwdriver as claimed in claim 22 wherein two bits may be stored in each slot of the plurality of slots.
24. The dual-mode screwdriver as claimed in claim 23 wherein the body is molded from a suitable polymer material having biasing properties so that the first edge and the second edge of each slot of the plurality of slots is able to bias against screwdriver bit stored in each slot of the plurality of slots.
25. A dual-mode screwdriver for manual and powered actuation comprising a driveshaft having a body end and an opposite end and a body disposed on said driveshaft body end, said body comprising a plurality of integral screwdriver bit storage slots disposed radially about the circumference thereof, wherein each of said plurality of integral screwdriver bit storage slots is adapted to store at least one screwdriver bit, so that when said dual-mode screwdriver is in said manual rotation mode the body is adapted for hand gripping and torquing and said driveshaft opposite end receives a screwdriver bit and when the screwdriver is in powered rotation mode the driveshaft opposite end couples to powered rotation means and the driveshaft body end receives said screwdriver bit, the result being that the dual-mode screwdriver moves from manual rotation mode to powered rotation mode by inverting the body and coupling the driveshaft opposite end to said powered rotation means.
26. The dual-mode screwdriver as claimed in claim 25 wherein each slot of the plurality of screwdriver bit storage slots has an inside surface and screwdriver bit retention means integral to said inside surface.
27. The dual-mode screwdriver as claimed in claim 26 wherein said screwdriver bit retention means comprises biasing means for biasing the screwdriver bit against the inside surface.
28. The dual-mode screwdriver as claimed in claim 27 wherein said biasing means comprises an elastic polymer fixed to the inside surface so that when a screwdriver bit is inserted into a slot, said elastic polymer biases said screwdriver bit against the inside surface thereby maintaining the screwdriver bit within the slot.
29. A dual-mode screwdriver for manual and powered actuation comprising a driveshaft having a body end and an opposite end and a body disposed on said driveshaft body end, said body comprising a first piece and a second piece and plurality of integral screwdriver bit storage slots disposed radially about the circumference of said first piece and said second piece, and wherein each screwdriver bit storage slot of said plurality of integral screwdriver bit storage slots includes magnetic screwdriver bit retention means and is further adapted to store at least one screwdriver bit, so that when said dual-mode screwdriver is in said manual rotation mode said body is adapted for hand gripping and torquing and said driveshaft opposite end receives a screwdriver bit and when the screwdriver is in powered rotation mode the driveshaft opposite end couples to powered rotation means and the driveshaft body end receives said screwdriver bit, the result being that the dual-mode screwdriver moves from manual rotation mode to powered rotation mode by inverting the body and coupling the driveshaft opposite end to said powered rotation means.
30. The dual-mode screwdriver as claimed in claim 29 wherein the first body piece has a domed end adapted to receive axial forces from the user in manual rotation mode and a flat end, and wherein the second body piece has a first flat end and a second flat end, and wherein each screwdriver bit storage slot of the plurality of screwdriver bit storage slots has an open top end and a open bottom end, and further wherein the plurality of screwdriver slots extend into said domed end.
31. The dual-mode screwdriver as claimed in claim 30 wherein said top end of each slot of the plurality of slots disposed within the body second piece includes a recessed portion, and wherein said magnetic means comprises a plurality of magnets each adapted for insertion into said recessed portion.
32. The dual-mode screwdriver as claimed in claim 31 wherein the body second piece is disposed on the driveshaft body end and fixed thereto, and wherein the body first piece is disposed on the driveshaft body end and over the second body piece and fixed to the driveshaft, so that when the second body piece is joined to the first body piece the plurality of magnets are sandwiched between them so that each magnet sits between a first screwdriver bit storage slot and an adjacent second screwdriver bit storage slot and is able to retain a screwdriver bit in each of said first and second slots.
33. The dual-mode screwdriver as claimed in claim 30 wherein said second body piece first flat end is recessed for receiving a ring-shaped disk magnet, said ring-shaped disk magnet positioned over the driveshaft and sandwiched between the first and second body pieces thereby forming upper and lower storage slots within the body and thereby creating a handgrip/bit-storage container for hand gripping and torquing in the manual rotation mode and for bit-storage in the powered rotation mode.
34. The dual-mode screwdriver as claimed in claim 29 wherein the screwdriver bit has a hexagonal cross-sectional profile and includes six facets and six vertices and further wherein each storage slot of the plurality of storage slots has in inner surface and a diameter wherein said diameter is such that said six facets are in biased contact with said inner surface.
35. The dual-mode screwdriver as claimed in claim 34 wherein each storage slot of the plurality of storage slots has a first edge and a second edge separated by a gap, and wherein said first edge and said second edge act against the screwdriver bit stored in each slot of the plurality of slots in a biasing action thereby retaining it therein and further wherein said gap permits access to the screwdriver bit for user manipulation and removal.
36. The dual-mode screwdriver as claimed in claim 35 wherein each slot of the plurality of slots includes a hexagonal cross-sectional profile to match said hexagonal cross-sectional profile of the screwdriver bit so that said six vertices are cooperatively oriented within each slot of the plurality of slots and wherein one vertex of the six vertices is centered in said gap for user manipulation, and further wherein said hexagonal cross-sectional profile of each slot of the plurality of slots is dimensioned so that the screwdriver bit slides freely therein.
37. The dual-mode screwdriver as claimed in claim 36 wherein the gap is sufficiently wide to permit easy access to a screwdriver bit by the user while still retaining a hexagonal cross-sectional profile having five vertices for cooperative placement with the screwdriver bit vertices.
38. A method of manufacturing a dual-mode screwdriver having a first manual rotation mode and a second powered rotation mode, said method comprising the steps of:

a. fabricating a driveshaft suitable for said first manual rotation mode and said second powered rotation mode having a body end and an opposite end;

b. forming a first screwdriver bit retention socket in the body end and a second bit retention socket in the opposite end;

c. selecting a suitable polymer for molding a body; molding a body having a first piece and a second piece;

d. forming a domed end and a flat end in said first piece;

e. forming a first flat end and a second flat end in said second piece;
forming a plurality of parallel screwdriver bit storage slots on the circumference of the body first piece and body second piece;

f. disposing a recess into each of said parallel screwdriver bit storage slots on the body second piece so that said recess sits on said second body piece first flat ends;
inserting into each recess a magnet; placing the body second piece onto the driveshaft body end and fixing it in place; and, g. placing the body first piece onto the driveshaft body end and fixing it in place so that said domed end is flush with the driveshaft body end and further so that the magnets are sandwiched between the body first piece and the body second piece.
39. The method as claimed in claim 39 wherein the recess in each storage slot is replaced by a disk-shaped recess on the body second piece first flat surface and wherein said plurality of magnets is replaced by a single ring-shaped disk magnet adapted for fitting within said disk-shaped recess so that when the body second piece and the body first piece are fixed upon the driveshaft body end, the ring-shaped disk magnet is sandwiched between them.
CA2541354A 2005-03-31 2006-03-24 Multi-bit, dual-mode screwdriver for either manual or powered actuation Expired - Fee Related CA2541354C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2541354A CA2541354C (en) 2005-03-31 2006-03-24 Multi-bit, dual-mode screwdriver for either manual or powered actuation

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA002505539A CA2505539A1 (en) 2005-03-31 2005-03-31 Multi-bit screwdriver, convertible for actuation by either manual or electric means
CA2505539 2005-03-31
CA2541354A CA2541354C (en) 2005-03-31 2006-03-24 Multi-bit, dual-mode screwdriver for either manual or powered actuation

Publications (2)

Publication Number Publication Date
CA2541354A1 CA2541354A1 (en) 2006-09-30
CA2541354C true CA2541354C (en) 2010-04-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2541354A Expired - Fee Related CA2541354C (en) 2005-03-31 2006-03-24 Multi-bit, dual-mode screwdriver for either manual or powered actuation

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CA (1) CA2541354C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160028202A1 (en) 2014-07-22 2016-01-28 Milwaukee Electric Tool Corporation Hand tools
CN112692770A (en) * 2020-09-23 2021-04-23 上海器外文化科技有限公司 Magnetic type multifunctional fine trimming screwdriver capable of regularly accommodating screwdriver heads

Also Published As

Publication number Publication date
CA2541354A1 (en) 2006-09-30

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