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US4820090A Expired / Lapsed US ⏱️ 0.0 years remaining

Multipurpose handle grip for holding electric tools

Assignee: Individual
•
Filing: 1988-06-03
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Granted: 1989-04-11
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Expires: 2008-06-03
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Abstract

Abstract The present invention provides a multipurpose handle grip for holding electric tools, more particularly a handle for slipping on an electric driver or electric drill to effectively carry and release the driver head or the drill and to stably facilitate the operation of the electric tools and comprises a driver head strap, a handle plate and a locating bushing; the driver head strap comprising a plurality of slip holes around the circumference arranged in good order, an inner thread at the rear end for connection of the strap with the holder plate of the handle plate by way of a screw joint, and a transparent revolving cover, the revolving cover having a circular outlet; the locating bushing having a smaller inner diameter for easy insertion of the bushing into the locating hole of the holder plate for fixation of electric tools of different size; the handle plate comprising a handle and a holder plate, the holder plate having a locating hole for fixation of electric tools, a flange at the front and an outer thread on the flange, and a block plate arranged at one side of the holder plate, the handle comprising a plurality of channel holes around the inner wall arranged in good order for storage of drill heads, and a revolving cap arranged at the bottom, the revolvong cap having an circular outlet; by way of this arrangemet, the present handle grip being applicable for carrying a variety of drill and driver heads for easy operation of electric tools.

Inventors

  • 👤 Pi-Chi Chen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 10:39
CPC Classifications
B; B25; B25F; B25F5/00; B25F5/02; B25F5/025; B25F5/026; B25F5/027; Y; Y10; Y10T; Y10T408/00; Y10T408/96

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 225 words
A multipurpose handle grip for holding electric tools comprising: a driver head strap having a plurality of slip holes around the circumference and arranged in good order, a plurality of division plates arranged among the slip holes, a central circular hole, an inner thread at the rear end, and a revolving cover at the front end, said revolving cover having a circular outlet; a handle plate comprising a handle and a holder plate, said holder plate being located at a top end and having a locating hole, a flange, an outer thread on the flange, said handle having a plurality of channel holes around the inner wall arranged in good order and a revolving cap at a bottom end, said revolving cap comprising a circular outlet; a locating bushing having a smaller inner diameter, said locating bushing being inserted into the locating hole of the holder plate to accommodate a variety of electric tools; by means of the above assembly the strap is attached to the holder plate of the handle plate through the inner and outer threads and by means of the central hole the strap is slipped on the electric tool so as to reduce the vibration during operation and by means of the arrangement of the slip holes and the channel holes, the drill and driver heads are conveniently carried and stored.
Claim 2
Dependent Claim 225 words
A multipurpose handle grip for holding electric tools comprising: a driver head strap having a plurality of slip holes around the circumference and arranged in good order, a plurality of division plates arranged among the slip holes, a central circular hole, an inner thread at the rear end, and a revolving cover at the front end, said revolving cover having a circular outlet; a handle plate comprising a handle and a holder plate, said holder plate being located at a top end and having a locating hole, a flange, an outer thread on the flange, said handle having a plurality of channel holes around the inner wall arranged in good order and a revolving cap at a bottom end, said revolving cap comprising a circular outlet; a locating bushing having a smaller inner diameter, said locating bushing being inserted into the locating hole of the holder plate to accommodate a variety of electric tools; by means of the above assembly the strap is attached to the holder plate of the handle plate through the inner and outer threads and by means of the central hole the strap is slipped on the electric tool so as to reduce the vibration during operation and by means of the arrangement of the slip holes and the channel holes, the drill and driver heads are conveniently carried and stored.
Claim 3
Dependent Claim 45 words
A multipurpose handle grip for holding electric tools according to claim 1 wherein a block plate is arranged at one side of the holder plate, said block plate having a connection hole to match with a revolving screw plate for insertion of a locating rod.

References Cited (Backward Citations)

DE3400068A1 Cited
GB2165480A Cited
DE3445075A1 Cited
DE3514023A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-04-10 1992-10-10 1993-04-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-04-10 1996-10-10 1997-04-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-04-10 2000-10-10 2001-04-11 $7700.00 Window Closed / Lapsed

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