US4838134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque wrench
Assignee: RULAND MANUFACTURING COMPANY Inc
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Filing: 1988-06-09
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Granted: 1989-06-13
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Expires: 2008-06-09
Abstract
Abstract A torque wrench comprising an Allen wrench, a read-out member and a holder member for securing the dial to the Allen wrench. Bending of a portion of the wrench, as measured by the read-out member, is indicative of applied torque.
Inventors
- 👤 Fred F. Ruland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:38
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/142; B25B23/1422; B25B23/1427; B25B15/00; B25B15/001; B25B15/004; B25B15/008
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
85 words
A torque wrench comprising: torque transmitting rod including a first leg, and a second leg connected end-wise to said first leg, and having a fastener engaging tip at a distal end of said second leg, said distal end being opposite to the end connected to said first leg a read-out member; and holder member including means for establishing slip-on attachment of said holder member to said second leg and means for supporting said read-out member adjacent to at least of portion of said first leg.
Claim 2
Dependent Claim
85 words
A torque wrench comprising: torque transmitting rod including a first leg, and a second leg connected end-wise to said first leg, and having a fastener engaging tip at a distal end of said second leg, said distal end being opposite to the end connected to said first leg a read-out member; and holder member including means for establishing slip-on attachment of said holder member to said second leg and means for supporting said read-out member adjacent to at least of portion of said first leg.
Claim 3
Dependent Claim
30 words
The torque wrench of claim 1 wherein said means for establishing slip-on attachment is adapted for attachment to said torque transmitting rod near said distal end of said second leg.
Claim 4
Dependent Claim
17 words
The torque wrench of claim 1 wherein said torque transmitting rod has a one piece integral construction.
Claim 5
Dependent Claim
15 words
The torque wrench of claim 3 wherein said fastener engaging tip has a hexagonal cross-section.
Claim 6
Dependent Claim
45 words
The torque wrench of claim 1 wherein said holder member comprises a tube connected to said read-out member and disposed about said second leg and having an axial extent less than that of said second leg, such that said second leg extends beyond said tube.
Claim 7
Dependent Claim
20 words
The torque wrench of claim 5 wherein said read-out member further includes a hole through which said tube is received.
Claim 8
Dependent Claim
25 words
The torque member of claim 5 wherein said attachment means is adapted for attachment to said rod near said distal tip of said second leg.
Claim 9
Dependent Claim
30 words
The torque wrench of claim 6 wherein said holder member includes means supporting said read-out member at points disposed about the principal axis of said second leg said read-out member.
Claim 10
Dependent Claim
43 words
The torque wrench of claim 8 wherein said means for supporting said read-out member at points disposed about the principal axis of said second leg includes a plurality of circumferentially spaced outwardly projecting flexure tabs disposed along the axial extent of said tube.
Claim 11
Dependent Claim
35 words
The torque wrench of claim 1 wherein said holder member comprises a tube of plastic material disposed about said.. second leg and including read-out member attachment means for securing said read-out member to said tube.
Claim 12
Dependent Claim
23 words
The torque wrench of claim 10 wherein said read-out member comprises a substantially rigid sheet secured at one end thereof to said tube.
Claim 13
Dependent Claim
19 words
The torque wrench of claim 11 wherein said holder member and said read-out member have an integral, one-piece construction.
Claim 14
Dependent Claim
25 words
The torque wrench of claim 1 wherein said means for establishing slip-on attachment a substantially non-rotating attachment of said holder member to said second leg.
Claim 15
Dependent Claim
71 words
A torque wrench comprising n allen wrench having a handle leg and a drive leg, a read-out member, and a holder member for securing said read-out member to said Allen wrench at a point on said drive leg, wherein said read-out member includes a plastic tube, and means for securing said read-out surface to said tube with said read-out surface being adjacent to at least a portion of said handle leg.
Claim 16
Dependent Claim
71 words
A torque wrench comprising n allen wrench having a handle leg and a drive leg, a read-out member, and a holder member for securing said read-out member to said Allen wrench at a point on said drive leg, wherein said read-out member includes a plastic tube, and means for securing said read-out surface to said tube with said read-out surface being adjacent to at least a portion of said handle leg.
Claim 17
Dependent Claim
17 words
The torque wrench of claim 14 wherein said holder member and said read-out member are integrally constructed.
Claim 18
Dependent Claim
19 words
The torque wrench of claim 14 wherein said Allen wrench has a hexagonal cross-section and is molded of plastic.
Claim 19
Dependent Claim
17 words
The torque wrench of claim 1 wherein said first leg extends substantially perpendicular to said second leg.
Claim 20
Dependent Claim
70 words
A torque read-out gauge assembly for connection to the fastener driving end of a wrench having a first leg and a second leg connected to and extending substantially perpendicular to said first leg, comprising: a read-out member and holder member including means for establishing slip-on attachment of said holder member to said second leg, and for supporting said read-out member adjacent to at least a portion of said first leg.
Claim 21
Dependent Claim
70 words
A torque read-out gauge assembly for connection to the fastener driving end of a wrench having a first leg and a second leg connected to and extending substantially perpendicular to said first leg, comprising: a read-out member and holder member including means for establishing slip-on attachment of said holder member to said second leg, and for supporting said read-out member adjacent to at least a portion of said first leg.
Claim 22
Dependent Claim
44 words
The torque read-out gauge assembly wrench of claim 18 wherein said means for establishing slip-on attachment is adapted for attachment to said end near a distal end of said second leg, said distal end being opposite to the end connected to said first leg.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-06-12 | 1992-12-12 | 1993-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-12 | 1996-12-12 | 1997-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-12 | 2000-12-12 | 2001-06-13 | $7700.00 | Window Closed / Lapsed |