Patent US3728882A successfully refreshed from Google Patents.
US3728882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool for placing threaded inserts
Assignee: Aerpat AG
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Filing: 1971-08-30
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Granted: 1973-04-24
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Expires: 1991-08-30
Abstract
Abstract A tool for placing threaded inserts, of the type comprising a threaded first part which is pulled towards a second part to place the insert, has a generally tubular body integral with a radially extending body handle. A rotatable sleeve within the rear part of the body carries a reciprocable and rotatable shaft, to the forward end of which is connected a screw which protrudes through an annular anvil. The rear of the shaft carries a rotatable cam which is integral with a radially extending cam handle and bears against a roller mounted in the sleeve. The cam handle can be used both to rotate the shaft and screw, and to rotate the cam so as to retract the screw with respect to the body of the tool.
Inventors
- 👤 R Rigot
- 👤 D Goettlings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:47
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/0007; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53709; Y10T29/53717; Y10T29/53726
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
297 words
A manually operable tool for placing threaded inserts of the type comprising a threaded first part which is pulled towards a second part to place the insert, which tool comprises: a body, the body having a bore extending therethrough along a bore-axis; an anvil at one end of the body for engaging the second part of an insert to be placed by the tool; a shaft extending longitudinally inside the bore, the said shaft being rotatable and reciprocable with respect to the body; one end of the said shaft adjacent the aforesaid one end of the body being provided with a threaded member for engagement with the first part of an insert to be placed by the tool, the said threaded member being operatively connected to the said shaft for rotation and reciprocation therewith; an auxiliary member mounted on the body for rotation with respect thereto about the bore-axis but fixed against movement with respect thereto beyond a predetermined position in the direction along the bore axis towards the said one end; bearing means mounted on the auxiliary member; cam means rotatable about a cam-axis fixed with respect to the shaft at a position therealong remote from the aforesaid one end thereof, the said cam axis extending perpendicular to the bore axis; the said cam means bearing against the said bearing means; and a handle operatively connected to the said cam means, whereby both the shaft may be rotated about the bore axis to effect screwing engagement or disengagement of the threaded member, and whereby also the said cam means may be rotated about its axis to cause relative axial movement between the shaft and the body, and consequent relative axial movement between the said threaded member and the said anvil, to place an insert as aforesaid.
Claim 2
Dependent Claim
297 words
A manually operable tool for placing threaded inserts of the type comprising a threaded first part which is pulled towards a second part to place the insert, which tool comprises: a body, the body having a bore extending therethrough along a bore-axis; an anvil at one end of the body for engaging the second part of an insert to be placed by the tool; a shaft extending longitudinally inside the bore, the said shaft being rotatable and reciprocable with respect to the body; one end of the said shaft adjacent the aforesaid one end of the body being provided with a threaded member for engagement with the first part of an insert to be placed by the tool, the said threaded member being operatively connected to the said shaft for rotation and reciprocation therewith; an auxiliary member mounted on the body for rotation with respect thereto about the bore-axis but fixed against movement with respect thereto beyond a predetermined position in the direction along the bore axis towards the said one end; bearing means mounted on the auxiliary member; cam means rotatable about a cam-axis fixed with respect to the shaft at a position therealong remote from the aforesaid one end thereof, the said cam axis extending perpendicular to the bore axis; the said cam means bearing against the said bearing means; and a handle operatively connected to the said cam means, whereby both the shaft may be rotated about the bore axis to effect screwing engagement or disengagement of the threaded member, and whereby also the said cam means may be rotated about its axis to cause relative axial movement between the shaft and the body, and consequent relative axial movement between the said threaded member and the said anvil, to place an insert as aforesaid.
Claim 3
Dependent Claim
50 words
A tool as claimed in claim 1, in which the bearing means comprises a roller mounted on the said auxiliary member for rotation about a roller-axis perpendicular to the bore axis, which roller is operatively connected to the cam means to maintain the said roller-axis parallel to the said cam-axis.
Claim 4
Dependent Claim
27 words
A tool as claimed in claim 2, in which the operative connection between the said roller and the said cam means comprises part of the said shaft.
Claim 5
Dependent Claim
36 words
A tool as claimed in claim 2, in which the said shaft has a cut-out portion lying intermediate two opposed side-wall portions, the said roller being accommodated within the said cut-out portion of the said shaft.
Claim 6
Dependent Claim
99 words
A tool as claimed in claim 4, in which each of the said two side-wall portions is provided with a slot, the two slots being opposed to each other and extending longitudinally of the shaft parallel to the said bore axis; the tool further comprising a first pin defining the said roller-axis and extending transversely of the said shaft through the said cut-out portion and the said slots, the ends of the first pin being mounted on the aforesaid auxiliary member, the said roller being mounted on the portion of the said first pin within the said cut-out portion.
Claim 7
Dependent Claim
56 words
A tool as claimed in claim 5, in which the aforesaid cam-axis is defined by a second pin mounted transversely of the shaft between the two said side-wall portions in a plane aligned with the said slots, the said cam means being mounted on the portion of the said second pin within the said cut-out portion.
Claim 8
Dependent Claim
29 words
A tool as claimed in claim 1, in which the said auxiliary member comprises a sleeve around the said shaft and at least partially received within the said bore.
Claim 9
Dependent Claim
43 words
A tool as claimed in claim 5, in which the said auxiliary member comprises a sleeve surrounding the part of the said shaft in the region of the said slots, the ends of the aforesaid first pin being received in the said sleeve.
Claim 10
Dependent Claim
19 words
A tool as claimed in claim 8, in which the said sleeve is releasably mounted on the tool body.
Claim 11
Dependent Claim
50 words
A tool as claimed in claim 7, in which at least part of the sleeve is received within the said bore of the tool body at the end thereof remote from the said one end of the body, and retractable spring detent means engages the sleeve inside the said bore.
Claim 12
Dependent Claim
23 words
A tool as claimed in claim 1, including spring means for resiliently urging the said cam means into engagement with said bearing means.
Claim 13
Dependent Claim
78 words
A tool as claimed in claim 5, including a compression spring housed within each of the said slots, one end of each said compression spring acting against that end of the respective slot which is towards the aforesaid one end of the shaft, and the other end of each said compression spring acting against the said first pin, the said springs being effective to urge the said roller and the said cam means into contact with each other.
Claim 14
Dependent Claim
22 words
A tool as claimed in claim 1, in which the said threaded member is releasably connected as aforesaid to the said shaft.
Claim 15
Dependent Claim
26 words
A tool as claimed in claim 1, in which the said anvil comprises a separate member which is releasably attached to the body of the tool.
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) | 1976-04-23 | 1976-10-23 | 1977-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-23 | 1980-10-23 | 1981-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-23 | 1984-10-23 | 1985-04-24 | $7700.00 | Window Closed / Lapsed |