Patent US3869615A successfully refreshed from Google Patents.
Patent US6827718B2 successfully refreshed from Google Patents.
US5110145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power tool adaptor
Assignee: Individual
•
Filing: 1991-06-24
•
Granted: 1992-05-05
•
Expires: 2011-06-24
Abstract
Abstract A power tool adaptor for converting a screw gun to a power drill. The adaptor comprises a torque transmitting sleeve mounted for relative rotation within a grip sleeve. Safety and speed of attachment and detachment are thereby provided.
Inventors
- 👤 Patrick A. Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:52
CPC Classifications
B; B23; B23B; B23B45/00; B23B45/003; B25; B25B; B25B21/00; B25B21/007; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17128; Y10T279/17162; Y10T279/34; Y10T279/3406; Y10T279/3418; Y10T408/00; Y10T408/94; Y10T408/95; Y10T408/957
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
123 words
An adaptor for a high speed power tool, or the like, mounting tool bit means of polygonal shank configuration in chuck means, said adaptor comprising: torque transmitting sleeve means comprising a polygonal cavity means at one end for engaging said polygonal shank of the tool bit means; cylindrical cavity means at the other end of said torque transmitting sleeve means for releasably engaging a tool bit means of cylindrical shank configuration; securing means for releasably attaching said tool bit means of cylindrical shank configuration; grip sleeve means mounted on said torque transmitting sleeve means in relatively rotational relationship thereto; and said grip sleeve means enclosing a portion of said cylindrical cavity means and enclosing and abutting said chuck means of said power tool.
Claim 2
Dependent Claim
123 words
An adaptor for a high speed power tool, or the like, mounting tool bit means of polygonal shank configuration in chuck means, said adaptor comprising: torque transmitting sleeve means comprising a polygonal cavity means at one end for engaging said polygonal shank of the tool bit means; cylindrical cavity means at the other end of said torque transmitting sleeve means for releasably engaging a tool bit means of cylindrical shank configuration; securing means for releasably attaching said tool bit means of cylindrical shank configuration; grip sleeve means mounted on said torque transmitting sleeve means in relatively rotational relationship thereto; and said grip sleeve means enclosing a portion of said cylindrical cavity means and enclosing and abutting said chuck means of said power tool.
Claim 3
Dependent Claim
25 words
The invention of claim 1 wherein said torque transmitting sleeve means comprises bearing seat means intermediate said polygonal cavity means and said cylindrical cavity means.
Claim 4
Dependent Claim
24 words
The invention of claim 1 wherein said polygonal cavity is counterbored to accommodate tool bit jaws of the chuck means of the power tool.
Claim 5
Dependent Claim
15 words
The invention of claim 1 wherein said grip sleeve means comprises a knurled outer surface.
Claim 6
Dependent Claim
21 words
The invention of claim 1 wherein said grip sleeve means further comprises slots to improve resiliency to said grip sleeve means.
Claim 7
Dependent Claim
23 words
The invention of claim 1 wherein said grip sleeve means comprises lip means for engaging the chuck means of the power tool means.
Claim 8
Dependent Claim
31 words
The invention of claim 1 wherein said grip sleeve means is made of a material selected from the group consisting of aluminum, stainless steel, high-impact plastic, hard rubber, brass and bronze.
Claim 9
Dependent Claim
27 words
The invention of claim 1 wherein said grip sleeve means is slotted so as to provide resiliency for engaging said chuck means of said power tool means.
Claim 10
Dependent Claim
141 words
An adaptor for converting high speed screwdriver means to high speed drill means, comprising: a first sleeve means comprising a first portion comprising a first predetermined outer diameter; a second portion comprising a second predetermined outer diameter less than said first portion predetermined outer diameter; and a third portion comprising a third predetermined outer diameter less than said first and second predetermined outer diameters; a second sleeve means comprising a first portion comprising a predetermined inner diameter; a second portion comprising a second predetermined inner diameter less than said first portion predetermined inner diameter; and a third portion comprising a third predetermined inner diameter greater than said second predetermined inner diameter; said first sleeve means being relatively rotationally mounted within said second sleeve means; and wherein said first portion of predetermined inner diameter engages lock-down collar means of power tool means.
Claim 11
Dependent Claim
141 words
An adaptor for converting high speed screwdriver means to high speed drill means, comprising: a first sleeve means comprising a first portion comprising a first predetermined outer diameter; a second portion comprising a second predetermined outer diameter less than said first portion predetermined outer diameter; and a third portion comprising a third predetermined outer diameter less than said first and second predetermined outer diameters; a second sleeve means comprising a first portion comprising a predetermined inner diameter; a second portion comprising a second predetermined inner diameter less than said first portion predetermined inner diameter; and a third portion comprising a third predetermined inner diameter greater than said second predetermined inner diameter; said first sleeve means being relatively rotationally mounted within said second sleeve means; and wherein said first portion of predetermined inner diameter engages lock-down collar means of power tool means.
Claim 12
Dependent Claim
29 words
The invention of claim 9 wherein said second portion comprising a second predetermined inner diameter of said second sleeve means surrounds said first portion of said first sleeve means.
Claim 13
Dependent Claim
20 words
The invention of claim 9 wherein said third portion comprising a third predetermined inner diameter further comprises bearing seat means.
Claim 14
Dependent Claim
27 words
The invention of claim 9 wherein said first and second portion of said first sleeve means further comprise first cavity means for engaging first tool bit means.
Claim 15
Dependent Claim
19 words
The invention of claim 9 wherein said second portion of said first sleeve means further comprises bearing seat means.
Claim 16
Dependent Claim
24 words
The invention of claim 9 wherein said third portion of said first sleeve means comprises second cavity means for engaging second tool bit means.
References Cited (Backward Citations)
US2465309A
Cited
US3443448A
Cited
US3484114A
Cited
US3973784A
Cited
US4413937A
Cited
GB2137912A
Cited
US4824298A
Cited
US4944641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-05-05 | 1995-11-04 | 1996-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-05-05 | 1999-11-04 | 2000-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-05-05 | 2003-11-04 | 2004-05-05 | $7700.00 | Window Closed / Lapsed |