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US4104752A Expired / Lapsed US ⏱️ 0.0 years remaining

Multipurpose tool

Assignee: Individual
•
Filing: 1977-01-17
•
Granted: 1978-08-08
•
Expires: 1997-01-17
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Abstract

Abstract A multipurpose tool which is in the form of a basic plier but provides the user with a multiplicity of functions. The multipurpose tool includes rotationally displaceable head and handle portions formed in generally one piece construction with each pair of handle and head portions rotatably mounted each to the other in a standard form of a plier. Each of the head portions includes plier stripping elements for removing insulation from wire inserted within one of a plurality of recesses. Teeth members are provided for gripping elements having a longitudinal groove between an associated pair of head portions of the multipurpose tool. Additionally, wire cutting elements are provided on the head portions in order that wire or flexible elements may be cut or otherwise sheared when the multipurpose tool is rotatably displaced to a closed position. Reaming elements are provided on a lateral surface of the head portions of the multiple purpose tool to allow insert into a conduit opening for contact with an inner wall thereof. Rotation of the multipurpose tool within the conduit opening allows for smoothing out of the inner wall of the conduit. The handle portions of the multipurpose tool include flexible element crimping means for contouring a flexible element in a particular manner and further includes a section utilized and contoured specifically to permit the pulling of a flexible member captured between opposing members of the handle portions when the multipurpose tool is in a closed position.

Inventors

  • 👤 Wayne T. Amrein
  • 👤 Bernard E. Stokes, Jr.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 04:40
CPC Classifications
B; B25; B25B; B25B7/00; B25B7/02; B25B7/22; H; H02; H02G; H02G1/00; H02G1/12; H02G1/1202; H02G1/1204; H02G1/1207; H02G1/1209; H02G1/1214

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 206 words
A multipurpose tool comprising: (a) a pair of handle portions adapted to be gripped in the hand of a user; (b) a pair of head portions each being formed in one piece formation with a respective handle portion, each of said handle and head portions being rotatably mounted to the other about a pivot point; (c) wire stripping means formed in each of said head portions, said wire stripping means including at least one recess of predetermined diameter formed within each of said head portions and adapted for cutting insulation on wire when said recesses are displaced into contiguous alignment defining a closed position; and, (d) tooth gripping means formed in each of said head portions, said tooth gripping means including at least a pair of teeth formed in each of said head portions adjacent said wire stripping means and displaced therefrom in a direction coincident with an axis line of said pivot point, said tooth gripping means and said wire stripping means being formed in one piece formation on opposing surfaces of said head portions with respect to said axis line direction, said teeth of said tooth gripping means forming an opening greater than said recess diameter when said tool is in said closed position.
Claim 2
Dependent Claim 206 words
A multipurpose tool comprising: (a) a pair of handle portions adapted to be gripped in the hand of a user; (b) a pair of head portions each being formed in one piece formation with a respective handle portion, each of said handle and head portions being rotatably mounted to the other about a pivot point; (c) wire stripping means formed in each of said head portions, said wire stripping means including at least one recess of predetermined diameter formed within each of said head portions and adapted for cutting insulation on wire when said recesses are displaced into contiguous alignment defining a closed position; and, (d) tooth gripping means formed in each of said head portions, said tooth gripping means including at least a pair of teeth formed in each of said head portions adjacent said wire stripping means and displaced therefrom in a direction coincident with an axis line of said pivot point, said tooth gripping means and said wire stripping means being formed in one piece formation on opposing surfaces of said head portions with respect to said axis line direction, said teeth of said tooth gripping means forming an opening greater than said recess diameter when said tool is in said closed position.
Claim 3
Dependent Claim 63 words
The multipurpose tool as recited in claim 1 where each of said head portions include frictional gripping means formed on a distal section of each of said head portions when taken with respect to said pivot point, said frictional gripping means being displaced from said wire stripping means and said tooth gripping means in a direction substantially normal to said pivot point axis.
Claim 4
Dependent Claim 32 words
The multipurpose tool as recited in claim 1 where said tooth gripping means on each of said head portions provides an opening of predetermined size when said recesses are in contiguous alignment.
Claim 5
Dependent Claim 28 words
The multipurpose tool as recited in claim 1 where said wire stripping means and said tooth gripping means are formed in one piece construction with said head portions.
Claim 6
Dependent Claim 29 words
The multipurpose tool as recited in claim 1 including wire cutting means formed on each of said head portions, said wire cutting means formed adjacent said wire stripping means.
Claim 7
Dependent Claim 48 words
The multipurpose tool as recited in claim 5 where said wire cutting means includes a pair of knife edges extending in a direction substantially normal to an axis line of said pivot point, said knife edges for mating engagement when said recesses are displaced into said contiguous alignment.
Claim 8
Dependent Claim 73 words
The multipurpose tool as recited in claim 1 where said handle portions include wire crimp means, said wire crimp means including: (a) at least one recess formed within one of said handle portions; and, (b) at least one lug member formed on the other of said handle portions, said lug member being insertable within said recess for capturing and contouring a flexible element therebetween when said tool is displaced to said closed position.
Claim 9
Dependent Claim 31 words
The multipurpose tool as recited in claim 7 where said wire crimp means includes a plurality of recesses of different diameter for contouring of said flexible element into unique diameter contours.
Claim 10
Dependent Claim 43 words
The multipurpose tool as recited in claim 1 including reaming means formed said head portions of said tool, said reaming means including at least one ridge element extending from a lateral surface of said head portions for internal insert into a conduit opening.
Claim 11
Dependent Claim 27 words
The multipurpose tool as recited in claim 9 where said head portions lateral surfaces are curvilinearly contoured for engaging an internal wall section of said conduit opening.

References Cited (Backward Citations)

US3733627A Cited
US3777323A Cited
DE2245639A1 Cited
US3921237A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-08-07 1982-02-06 1982-08-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-08-07 1986-02-06 1986-08-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-08-07 1990-02-06 1990-08-08 $7700.00 Window Closed / Lapsed

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