US88632A - Improved collar-attachment for screws - Google Patents
Improved collar-attachment for screws Download PDFInfo
- Publication number
- US88632A US88632A US88632DA US88632A US 88632 A US88632 A US 88632A US 88632D A US88632D A US 88632DA US 88632 A US88632 A US 88632A
- Authority
- US
- United States
- Prior art keywords
- attachment
- screws
- improved collar
- collar
- james
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000011324 bead Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/06—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips
Definitions
- the invention consists in a face-plate, A, having three openings.
- a Screw, B passes loosely through the centre opening, and is retainedv therein bythe collar O, or its equivalent, a check-pin, D, as seen in connection with the screw B, and in its application to the slotted co1- lar E, by which arrangement the displacement and possible loss of the screws are prevented.
Description
A5mm @att/Mr?? t (time.
JAMES HOOPE R, OF PITTSBURG, PENNSYLVANLA;
Letters Patent No. 88,632, dated April 6, 1869.
ILIPROVED COLLAR-ATTACHMENT FOR SCREWS.
The Schedule referred to in these Letters Patent and making part of the same.
To all whom it ma/y concern:
Be it knownV that I, JAMES Hoornn, of Pittsburg, in the county of Allegheny, in the State of Pennsylvania, have invented and produced a new and useful device, a Collar-Screw Attachment, which can be applied to various purposes, particularly in the fastening of weather-strips and sash-beads, whereby their removal is greatly facilitated, when the Same may become necessary.
The invention consists in a face-plate, A, having three openings.
A Screw, B, passes loosely through the centre opening, and is retainedv therein bythe collar O, or its equivalent, a check-pin, D, as seen in connection with the screw B, and in its application to the slotted co1- lar E, by which arrangement the displacement and possible loss of the screws are prevented.
What I claim as my invention, and desire to secure by Letters Patent is- The herein-described device, included in the parts A, B, O, D, E, thus referred to in the drawings, and by which it is adapted to and made applicable as an attachment to a wood or metal base.
. JAMES HOPER.
Witnesses z.
J AS. S. SUTHERLAND, THOMAS PALMER.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US88632A true US88632A (en) | 1869-04-06 |
Family
ID=2158114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US88632D Expired - Lifetime US88632A (en) | Improved collar-attachment for screws |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US88632A (en) |
-
0
- US US88632D patent/US88632A/en not_active Expired - Lifetime
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