Patent US4273173A successfully refreshed from Google Patents.
US4273173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for transmitting torque
Assignee: Alterra Holdings Corp
•
Filing: 1979-10-17
•
Granted: 1981-06-16
•
Expires: 1999-10-17
Abstract
Abstract A screwdriver or the like has a shank adapted to hold any one of a number of double ended bits together with a handle for the shank having storage slots for those bits not being held in place by the shank. A split ring, rotatable on the stem of the handle, holds the stored bits against displacement until the ring is rotated to place the space between the ends of the ring into alignment with a selected slot.
Inventors
- 👤 Lloyd T. Smith
- 👤 Alan E. Bartholomew
- 👤 Robert W. Fee
- 👤 Michael L. Meister
- 👤 Richard J. Robbins
- 👤 Richard E. Ten Eyck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:31
CPC Classifications
B; B25; B25G; B25G1/00; B25G1/08; B25G1/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
In a torque transmitting device, an elongated stem provided with an enlarged, integral handle; a shank secured to the stem in axial alignment therewith, said shank extending from the stem oppositely from said handle, said stem being provided with an elongated, outwardly-opening, tool-storing slot extending longitudinally of the stem between the handle and the shank, said slot terminating in a pair of opposed, spaced-apart, radial end walls, one being spaced from the shank and facing toward the handle, the other being adjacent the handle and facing toward the shank, presenting stops for precluding displacement of the tool longitudinally of the slot, said stem having an outwardly-opening, circumferential groove between the handle and the shank of lesser depth than the slot, said groove intersecting the slot and otherwise surrounding the stem, the slot being otherwise uninterrupted between said ends thereof; and a C-shaped, tool-retaining, band-like ring confined in said groove and rotatable about the axis of the stem, said ring being substantially equal in width to the width of the groove, and having a pair of opposed ends, presenting a space therebetween alignable with the slot upon rotation of the ring, and through which the tool may be inserted into and removed from the slot.
Claim 2
Dependent Claim
204 words
In a torque transmitting device, an elongated stem provided with an enlarged, integral handle; a shank secured to the stem in axial alignment therewith, said shank extending from the stem oppositely from said handle, said stem being provided with an elongated, outwardly-opening, tool-storing slot extending longitudinally of the stem between the handle and the shank, said slot terminating in a pair of opposed, spaced-apart, radial end walls, one being spaced from the shank and facing toward the handle, the other being adjacent the handle and facing toward the shank, presenting stops for precluding displacement of the tool longitudinally of the slot, said stem having an outwardly-opening, circumferential groove between the handle and the shank of lesser depth than the slot, said groove intersecting the slot and otherwise surrounding the stem, the slot being otherwise uninterrupted between said ends thereof; and a C-shaped, tool-retaining, band-like ring confined in said groove and rotatable about the axis of the stem, said ring being substantially equal in width to the width of the groove, and having a pair of opposed ends, presenting a space therebetween alignable with the slot upon rotation of the ring, and through which the tool may be inserted into and removed from the slot.
References Cited (Backward Citations)
US273621A
Cited
US537246A
Cited
US666510A
Cited
US707901A
Cited
FR596539A
Cited
US2378775A
Cited
US3683984A
Cited
US3667518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-06-15 | 1984-12-15 | 1985-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-06-15 | 1988-12-15 | 1989-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-06-15 | 1992-12-15 | 1993-06-16 | $7700.00 | Window Closed / Lapsed |