GB440772A - Improvements relating to bolt anchors - Google Patents
Improvements relating to bolt anchorsInfo
- Publication number
- GB440772A GB440772A GB1231935A GB1231935A GB440772A GB 440772 A GB440772 A GB 440772A GB 1231935 A GB1231935 A GB 1231935A GB 1231935 A GB1231935 A GB 1231935A GB 440772 A GB440772 A GB 440772A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bolt
- parts
- hole
- members
- thread
- 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
Links
- 240000007591 Tilia tomentosa Species 0.000 abstract 1
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
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/08—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation
- F16B13/0891—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation with a locking element, e.g. wedge, key or ball moving along an inclined surface of the dowel body
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dowels (AREA)
Abstract
440,772. Bolt anchor. PLEISTER, H. W., 200, Linden Avenue, Westfield, and KARITZKY, J., Garwood, both in New Jersey, U.S.A. April 24, 1935, No. 12319. [Class 89 (i)] A bolt anchor comprises relatively slidable members one of which is screw threaded, and is formed so that when it is inserted in a hole the circumferential form of the screw member is changed to increase the effective area of contact between the latter and the bolt it has to support. A bolt anchor comprises two members 1, 2, of which the member 1 is provided with an arched top 7, parallel sides 8, and an open bottom 6 with thread 9. Its inner edges 12 are of arcuate wedge form and have wedge recesses 13. The other member 2 is provided with exterior ribs 5 and similar tapering surfaces with upstanding flanges 15 engaging the recesses 13, whereby when the two parts are assembled and driven into a hole 3 in a wall 4, the members 15 engage the slots 13 and distort the screw thread so that it is made to embrace more closely the thread of the bolt 21, and the ribs 5 on the part 2 bite into the hole. In addition the parts have respectively notches 16 and bendable projections 18 which form a temporary lock for the two parts when being driven into position. For the purpose of facilitating the deformation, the member 1 is provided with a longitudinal slot 10. The member 2 has head lugs 24 and longitudinal external ribs 30. When a tongue 19 is provided on member 1 it is adapted to slide between lugs 23 on member 2 which, when the parts are fully expanded, can be bent down to engage and lock the inserted bolt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1231935A GB440772A (en) | 1935-04-24 | 1935-04-24 | Improvements relating to bolt anchors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1231935A GB440772A (en) | 1935-04-24 | 1935-04-24 | Improvements relating to bolt anchors |
Publications (1)
Publication Number | Publication Date |
---|---|
GB440772A true GB440772A (en) | 1936-01-06 |
Family
ID=10002325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1231935A Expired GB440772A (en) | 1935-04-24 | 1935-04-24 | Improvements relating to bolt anchors |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB440772A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2330902A1 (en) * | 1975-11-07 | 1977-06-03 | Bredal Torben | Anchor bolt for use in concrete - has nut with inclined slots expanded by bearing on tapered shank portion |
US4415294A (en) * | 1981-08-20 | 1983-11-15 | Thomas Ringe | Support means and system for supporting mine roofs |
US4523881A (en) * | 1983-04-01 | 1985-06-18 | Mine Roof Support Systems, Inc. | Lateral force system and support for supporting mine roofs |
US5156647A (en) * | 1991-12-11 | 1992-10-20 | Honeywell Inc. | Snap-together wedgelock |
-
1935
- 1935-04-24 GB GB1231935A patent/GB440772A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2330902A1 (en) * | 1975-11-07 | 1977-06-03 | Bredal Torben | Anchor bolt for use in concrete - has nut with inclined slots expanded by bearing on tapered shank portion |
US4415294A (en) * | 1981-08-20 | 1983-11-15 | Thomas Ringe | Support means and system for supporting mine roofs |
US4523881A (en) * | 1983-04-01 | 1985-06-18 | Mine Roof Support Systems, Inc. | Lateral force system and support for supporting mine roofs |
US5156647A (en) * | 1991-12-11 | 1992-10-20 | Honeywell Inc. | Snap-together wedgelock |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2184783A (en) | Fastening device | |
US3004370A (en) | Retaining clips | |
US4610589A (en) | Screw anchoring bushing for use in semihard materials | |
US3277770A (en) | Masonry anchor bolt | |
US2254973A (en) | Adjustable caster construction | |
GB1333893A (en) | Anchor bolt assemblies | |
US2181103A (en) | Fastening means | |
US988743A (en) | Fastener. | |
GB440772A (en) | Improvements relating to bolt anchors | |
US2231068A (en) | Metal fastener | |
US2933007A (en) | Flat expanding insert having an arched connecting member | |
US1989018A (en) | Expansion bolt | |
US3614144A (en) | Expansion clip and method of installing recessed fixtures with such clips | |
US2958358A (en) | Threaded element with u-shaped locking key | |
US2358005A (en) | Self-tightening fastener | |
US1498686A (en) | Keeper for nuts | |
US1001265A (en) | Tenon-joint fastener. | |
GB1376524A (en) | Fastening device | |
US2070229A (en) | Detachable lift for shoes | |
US3373647A (en) | Coil spring expansion fastener | |
GB495653A (en) | Improvements in or relating to wall-plugs and the like fastenings | |
GB1364234A (en) | Bolt anchor | |
US1349998A (en) | Expansion-bolt | |
US2062424A (en) | Attaching means for handles | |
US1758924A (en) | Bolt anchor |