US3327280A - Protective device for a terminal member - Google Patents
Protective device for a terminal member Download PDFInfo
- Publication number
- US3327280A US3327280A US455285A US45528565A US3327280A US 3327280 A US3327280 A US 3327280A US 455285 A US455285 A US 455285A US 45528565 A US45528565 A US 45528565A US 3327280 A US3327280 A US 3327280A
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- Prior art keywords
- ribs
- terminal
- curved
- protector
- terminal member
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/44—Means for preventing access to live contacts
- H01R13/447—Shutter or cover plate
Definitions
- This invention relates to a protective device, and more particularly to a device for protecting a protruding terminal member, in particular a relatively easily damaged terminal member such as an electrical connector carried by an electrical cable.
- a further object and feature resides in the provision of a terminal member protector which for a given particular size protector is capable of being fitted to a multiple number of sizes of terminal members.
- FIGURE 1 is a perspective view of one physical embodiment of the invention, with a portion thereof broken away for clarity of view.
- FIGURE 2 is a longitudinal section view of the arrangement of FIGURE 1.
- FIGURE 3 is an end view of the arrangement of FIG- URE 1, as viewed from the open end thereof.
- FIGURE 4 is a further view of the embodiment of FIG- URE 1 with an electrical terminal member in place, the protector being shown in partial section for purposes of clarity.
- FIGURE 5 is a section view taken on the line 5-5 of FIGURE 4.
- FIGURE 6 is a further perspective view of the arrangement of FIGURE 1, with the draw line or chain pulled tight to aid in retention of the protector device on the terminal member and cable.
- FIGURE 7 is a perspective view illustrating the inactive position of the terminal protector when the electrical terminal is electrically connected to a terminal block or other electrical connector.
- FIGURE '8 is a longitudinal sectional view of a modified embodiment according to the invention, with a terminal member and cable shown in phantom in place therein.
- FIGURE 9 is a section view taken on the line 9'9 of FIGURE 8.
- FIGURE 10 is an end view of the arrangement of FIG- URE 8 as viewed from the open end of the protector.
- the invention takes the form of a terminal member protector 11 having an annular body in the form of a cup formed of elastic material such as vulcanized natural or synthetic rubber, or plastic, or other suitable elastic material.
- the cup 11 has a central cavity 13 open at one end and closed as at 21 at the op posite end, and adapted to receive a terminal member such as an electrical connector 31 which may be carried by a cable 33.
- the annular inner Wall of the cavity 13 is formed by a plurality of inwardly extending ribs 15 circumferentially spaced apart and separated by a corresponding plurality of arcuately-curved web portions 19.
- the ribs 15 are adapted to engage the annular periphery of the electrical terminal member 31, and in order to provide for varying sized terminal members 31 the ribs 15 are formed in longitudinal steps 15a disposed at decreasing distances from the longitudinal axis of the cup 11 as viewed from the open end of protector cup 11.
- the shoulders 15b connecting the respective adjacent steps along their longitudinal extent are longitudinally tapered (as shown in FIGURE 2) to provide both for end stop abutment for differing sized terminal members and for ease of insertion of intermediate sized terminal members.
- the interconnecting webs 19 between the respective ribs are arcuate in form and thereby provide an extra length of flexible material which when pulled to a straighter configuration will enable the ribs to be somewhat expanded from their inactive position, and thereby accommodate intermediate sizes of terminal members which do not precisely fit the openings formed between particular stepped portions 15a in the inactive position as shown in FIGURES 1-3.
- a complete range of sizes of connectors 31 may be accommodated by the illustrated terminal member protector 11 within a range extending from the smallest rib opening size to slightly in excess of the largest rib opening size.
- finger grips may be provided by forming reverse-curved deformations in the curved web portions 19.
- the reverse-curved portions 19a serve to provide also an increased curvilinear length of web between the adjacent ribs, and thereby afiord an increased potential expansion of the ribs by elastic flex straightening of the curved webs, as shown particularly in FIGURE 5, wherein the inactive or quiescent position of the ribs and webs is illustrated in broken lines and the extended gripping position of the ribs is illustrated in full lines while showing the connector in place while being so gripped.
- a retention line 25 in the form of a nodular flexible line, of plastic or the like, or a chain, as may be desired, which extends through a pair of slotted openings 23 formed in opposed ribs 15.
- the line-receiving openings 23 have one portion thereof larger than the nodules of the line 25 and a second connected portion smaller than the nodules on the line 25 in order to permit ease of insertion and adjustment of the nodular line while also enabling ease of locking of the nodular line in a desired position by simply laterally moving the line within a slotted opening from the larger to the smaller portion or vice versa, as may be desired to enable either adjustment or locking.
- the line 25 extends through the two openings 23 and is preferably wrapped once or more about the cable 33, and the line is then pulled further through the openings and locked, preferably in the position of FIGURE 6. It will be apparent that for the larger sizes of connectors 31 which are more closely adjacent to the open end of the protector device 11 the open end will not be pulled into as closed a position as shown in FIGURE 6 due to physical limitations, but in such case the line 25 will nevertheless serve quite adequately to retain the protector 11 on the electrical connector 31 and cable 33.
- FIGURES 8-10 there is shown a modified embodiment of the invention in which the open end of the protector cup 111 has a plurality of reverse-curved elastic folds 141 extending inwardly toward the longitudinal axis of the protector 111 and terminating at a radial position inwardly of the radial position of the ribs 115, so to enable engagement thereby with the cable 33 and thereby aid in the retention of the protector on cable 33 and terminal member 31.
- the nodular line-receiving openings 23 are formed in the reverse-curved elastic folds 141 of the protector 111, and it will be apparent that substantially little or no deformation of the main rib portion of the protector 111 is necessary in order to lock the protector device onto the cable and terminal connector.
- a terminal member protector comprising: an annular body of resiliently elastic, substantially nonrigid material, having a central terminal-member-receiving cavity formed therein,
- said cavity walls being further formed by a plurality of arcuately-curved web portions, thinner than said ribs and connecting adjacent ribs, the linear arcuate length in cross-sectional direction of at least one of said arcuately-curved Webs being greater than the distance between said ribs at the respective points of intersection of the respective web with the re spective adjacent said ribs to enable elastic flexing of said curved web portions to a straightened configura- 4 tion in accommodating andresiliently holding terminal members of various cross-sectional sizes.
- each of said ribs being formed in longitudinal steps of decreasing distance from the axis of said annular body for lateral engagement with differing sized terminal members to be protected,
- a terminal member protector comprising:
- annular body of elastic material having a central terminal-member-receiving cavity formed therein,
- said cavity walls being further formed by a plurality of arcuately-curved web portions thinner than said ribs and connecting adjacent ribs, the linear arcuate length in cross-sectional direction of at least one of said arcuately-curved webs being greater than the distance between said ribs at the respective points of intersection of the respective web with the respective adjacent said ribs,
- each of said ribs being formed in longitudinal steps of decreasing distance from the axis of said annular body for lateral engagement with differing sized terminal members to be protected,
- said ribs and webs being interconnected at one end of said body to form a closed cup
- said body being open at the opposite longitudinal end for mounting on a terminal member to be protected, and a terminal member-engageable flexible line connected to said annular body for securing said body to said terminal member.
- said annular body having two spaced openings formed at its open end for engagement by said nodular surfaced line,
- one of said openings having a reduced width portion thereof of smaller width than the nodule diameter of said nodular line and larger than the reduced portion between nodules.
- said arcuatelycurved web portions having an exteriorly concave section and being of substantially the same radius of curvature as the remaining portion of said annular body.
- said arcuately-curved web portions having a circumferentially reverse-curved shape in cross-section to provide said longer length.
- said reverse-curved shape of said web being convex-eoncave-oonvex as viewed exteriorly of said body.
- a terminal member protector comprising:
- annular body of elastic material having a central terminal-member-receiving cavity formed therein,
- said cavity walls being further formed by a plurality of arcuately-curved web portions thinner than said ribs and connecting adjacent ribs, the linear arcuate length in cross-sectional direction of at least one of said arcuately-curved webs being greater than the distance between said ribs at the respective points of intersection of the respective web with respective adjacent said ribs, said body being open at one longitudinal end and closed at the opposite end, said open end having a plurality of reverse-curved elastic folds extending inwardly toward the longitudinal axis of said body and terminating at a radial position inwardly of the radial position of the terminal-memberengaging surface of said ribs, for aid in retention of said body on a terminal member.
- annular body is a unitary structure incorporating said ribs and web portions.
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Description
June 20, 1967 a LEWNE ET AL 3,327,280
PROTECTIVE DEVICE FOR A TERMINAL MEMBER Filed May 12, 1965 2 Sheets-Sheet 1 Bernard Levine Norman J. Swiston INVENTOR June 20, 1967 LEVlNE ET AL 3,327,280
PROTECTIVE DEVICE FOR A TERMINAL MEMBER Filed May 12, 1965 2 Sheets-Sheet 2 I Q J Bernard Levine Norman J. Swiston INVENTOR United States Patent 3,327,280 PROTECTIVE DEVICE FOR A TERMINAL MEMBER Bernard Levine, Baltimore County, and Norman J. Swiston, Anne Arundel County, Md., assignors to AAI Corporation, a corporation of Maryland Filed May 12, 1965, Ser. No. 455,285
10 Claims. (Cl. 33936)' This invention relates to a protective device, and more particularly to a device for protecting a protruding terminal member, in particular a relatively easily damaged terminal member such as an electrical connector carried by an electrical cable.
In the electrical and electronics arts it is common practice to employ a cable having a relatively large number of individual electrical wires, and to connect the cable through a single terminal with each of the wires individually and separately connected to connection elements on the terminal connector. Many of these terminal connectors are very easily damaged when dropped or otherwise subjected to impact or abuse, and it relatively expensive to replace such terminal connectors in view of the cost of the connectors and the labor involved.
It is accordingly an object and feature of this invention to provide a terminal member protector which will afiord protection against impact damage to terminal members such as electrical connectors.
A further object and feature resides in the provision of a terminal member protector which for a given particular size protector is capable of being fitted to a multiple number of sizes of terminal members.
Still other objects, features and attendant advantages will become apparent to those skilled in the art from a reading of the following detailed description of several physical embodiments of the invention, taken in conjunction with the accompanying drawings wherein:
FIGURE 1 is a perspective view of one physical embodiment of the invention, with a portion thereof broken away for clarity of view.
FIGURE 2 is a longitudinal section view of the arrangement of FIGURE 1.
FIGURE 3 is an end view of the arrangement of FIG- URE 1, as viewed from the open end thereof.
FIGURE 4 is a further view of the embodiment of FIG- URE 1 with an electrical terminal member in place, the protector being shown in partial section for purposes of clarity.
FIGURE 5 is a section view taken on the line 5-5 of FIGURE 4.
FIGURE 6 is a further perspective view of the arrangement of FIGURE 1, with the draw line or chain pulled tight to aid in retention of the protector device on the terminal member and cable.
FIGURE 7 is a perspective view illustrating the inactive position of the terminal protector when the electrical terminal is electrically connected to a terminal block or other electrical connector.
FIGURE '8 is a longitudinal sectional view of a modified embodiment according to the invention, with a terminal member and cable shown in phantom in place therein.
FIGURE 9 is a section view taken on the line 9'9 of FIGURE 8.
FIGURE 10 is an end view of the arrangement of FIG- URE 8 as viewed from the open end of the protector.
Referring now in detail to the figures of the drawing, in the embodiment of FIGURES 1-7 the invention takes the form of a terminal member protector 11 having an annular body in the form of a cup formed of elastic material such as vulcanized natural or synthetic rubber, or plastic, or other suitable elastic material. The cup 11 has a central cavity 13 open at one end and closed as at 21 at the op posite end, and adapted to receive a terminal member such as an electrical connector 31 which may be carried by a cable 33. The annular inner Wall of the cavity 13 is formed by a plurality of inwardly extending ribs 15 circumferentially spaced apart and separated by a corresponding plurality of arcuately-curved web portions 19.
The ribs 15 are adapted to engage the annular periphery of the electrical terminal member 31, and in order to provide for varying sized terminal members 31 the ribs 15 are formed in longitudinal steps 15a disposed at decreasing distances from the longitudinal axis of the cup 11 as viewed from the open end of protector cup 11. Preferably, the shoulders 15b connecting the respective adjacent steps along their longitudinal extent are longitudinally tapered (as shown in FIGURE 2) to provide both for end stop abutment for differing sized terminal members and for ease of insertion of intermediate sized terminal members.
As stated above, the interconnecting webs 19 between the respective ribs are arcuate in form and thereby provide an extra length of flexible material which when pulled to a straighter configuration will enable the ribs to be somewhat expanded from their inactive position, and thereby accommodate intermediate sizes of terminal members which do not precisely fit the openings formed between particular stepped portions 15a in the inactive position as shown in FIGURES 1-3. Thus, a complete range of sizes of connectors 31 may be accommodated by the illustrated terminal member protector 11 within a range extending from the smallest rib opening size to slightly in excess of the largest rib opening size. It will be apparent that for the most part the terminal members will be displaced to a greater or lesser extent by the intermediate sizes and therefore .the elastic flex straightening deformation of the web portions 19 to their more straightened configurations will result in such instances in a resilient grip being exerted on the terminal member 31 through the respective rib portions 15a in engagement therewith.
If desired, finger grips may be provided by forming reverse-curved deformations in the curved web portions 19. In such instances the reverse-curved portions 19a serve to provide also an increased curvilinear length of web between the adjacent ribs, and thereby afiord an increased potential expansion of the ribs by elastic flex straightening of the curved webs, as shown particularly in FIGURE 5, wherein the inactive or quiescent position of the ribs and webs is illustrated in broken lines and the extended gripping position of the ribs is illustrated in full lines while showing the connector in place while being so gripped.
In order to aid in retention of the protector 11 on the electrical terminal member and cable, there is provided a retention line 25 in the form of a nodular flexible line, of plastic or the like, or a chain, as may be desired, which extends through a pair of slotted openings 23 formed in opposed ribs 15. The line-receiving openings 23 have one portion thereof larger than the nodules of the line 25 and a second connected portion smaller than the nodules on the line 25 in order to permit ease of insertion and adjustment of the nodular line while also enabling ease of locking of the nodular line in a desired position by simply laterally moving the line within a slotted opening from the larger to the smaller portion or vice versa, as may be desired to enable either adjustment or locking. In use the line 25 extends through the two openings 23 and is preferably wrapped once or more about the cable 33, and the line is then pulled further through the openings and locked, preferably in the position of FIGURE 6. It will be apparent that for the larger sizes of connectors 31 which are more closely adjacent to the open end of the protector device 11 the open end will not be pulled into as closed a position as shown in FIGURE 6 due to physical limitations, but in such case the line 25 will nevertheless serve quite adequately to retain the protector 11 on the electrical connector 31 and cable 33.
It will thus be readily seen that the entire assemblage of cable 33, electrical terminal member 31 and terminal member protector 11 may be dropped or struck without damage to the electrical terminal member 31, within, of course, the physical limits of elasticity of the protector 11, which limits for rubber, etc., are quite substantial.
When it is desired to make electrical connections between the electrical connector 31 and another connector such as a terminal block or another cable-carried connector, it is only necessary to loosen the line 25 and slip the protector 11 ofl the connector 31, while still retaining the protector 11 on the cable 33, as shown in FIGURE 7. This will permit service use of connector 31 While insuring against loss of the protector 11 during such service use, and also enabling ready access thereto when subsequently needed again.
In FIGURES 8-10 there is shown a modified embodiment of the invention in which the open end of the protector cup 111 has a plurality of reverse-curved elastic folds 141 extending inwardly toward the longitudinal axis of the protector 111 and terminating at a radial position inwardly of the radial position of the ribs 115, so to enable engagement thereby with the cable 33 and thereby aid in the retention of the protector on cable 33 and terminal member 31. In this embodiment the nodular line-receiving openings 23 are formed in the reverse-curved elastic folds 141 of the protector 111, and it will be apparent that substantially little or no deformation of the main rib portion of the protector 111 is necessary in order to lock the protector device onto the cable and terminal connector.
While the invention has been illustrated and described with respect to several physical embodiments thereof, it will be readily apparent to those skilled in the art that various modifications and improvements may be made without departing from the scope and spirit of the invention. Accordingly, the invention is not to be limited by the specific illustrated embodiments contained therein, but only by the scope of the appended claims.
We claim:
1. A terminal member protector comprising: an annular body of resiliently elastic, substantially nonrigid material, having a central terminal-member-receiving cavity formed therein,
a plurality of longitudinal terminal-member-engaging circumferentially spaced inwardly extending ribs formed on said annular body and forming a portion of the walls of said cavity,
said cavity walls being further formed by a plurality of arcuately-curved web portions, thinner than said ribs and connecting adjacent ribs, the linear arcuate length in cross-sectional direction of at least one of said arcuately-curved Webs being greater than the distance between said ribs at the respective points of intersection of the respective web with the re spective adjacent said ribs to enable elastic flexing of said curved web portions to a straightened configura- 4 tion in accommodating andresiliently holding terminal members of various cross-sectional sizes.
2. Apparatus according to claim 1, each of said ribs being formed in longitudinal steps of decreasing distance from the axis of said annular body for lateral engagement with differing sized terminal members to be protected,
and tapered end shoulders connecting adjacent steps for end abutment by diifering sized terminal members and for ease of insertion of intermediate-sized terminal members to be protected.
3. Apparatus according to'claim 2, said ribs and webs being interconnected at one end of said body to form a closed cup, and said body being open at the opposite longitudinal end for mounting on a terminal member to be protected.
4. A terminal member protector comprising:
an annular body of elastic material, having a central terminal-member-receiving cavity formed therein,
a plurality of longitudinal terminal-member-engaging circumferentially spaced inwardly extending ribs formed on said annular body and forming a portion of the walls of said cavity,
said cavity walls being further formed by a plurality of arcuately-curved web portions thinner than said ribs and connecting adjacent ribs, the linear arcuate length in cross-sectional direction of at least one of said arcuately-curved webs being greater than the distance between said ribs at the respective points of intersection of the respective web with the respective adjacent said ribs,
each of said ribs being formed in longitudinal steps of decreasing distance from the axis of said annular body for lateral engagement with differing sized terminal members to be protected,
tapered end shoulders connecting adjacent steps for end abutment by differing sized terminal members and for ease of insertion of intermediate-sized terminal members to be protected,
said ribs and webs being interconnected at one end of said body to form a closed cup, and
said body being open at the opposite longitudinal end for mounting on a terminal member to be protected, and a terminal member-engageable flexible line connected to said annular body for securing said body to said terminal member.
5. Apparatus according to claim 4,
said flexible line having a nodular surface,
said annular body having two spaced openings formed at its open end for engagement by said nodular surfaced line,
one of said openings having a reduced width portion thereof of smaller width than the nodule diameter of said nodular line and larger than the reduced portion between nodules.
6. Apparatus according to claim 1, said arcuatelycurved web portions having an exteriorly concave section and being of substantially the same radius of curvature as the remaining portion of said annular body.
7. Apparatus according to claim 1, said arcuately-curved web portions having a circumferentially reverse-curved shape in cross-section to provide said longer length.
8. Apparatus according to claim 7, said reverse-curved shape of said web being convex-eoncave-oonvex as viewed exteriorly of said body.
9. A terminal member protector comprising:
an annular body of elastic material, having a central terminal-member-receiving cavity formed therein,
a plurality of longitudinal terminal-member-engaging circumferentially spaced inwardly extending ribs formed on said annular body and forming a portion of the walls of said cavity,
said cavity walls being further formed by a plurality of arcuately-curved web portions thinner than said ribs and connecting adjacent ribs, the linear arcuate length in cross-sectional direction of at least one of said arcuately-curved webs being greater than the distance between said ribs at the respective points of intersection of the respective web with respective adjacent said ribs, said body being open at one longitudinal end and closed at the opposite end, said open end having a plurality of reverse-curved elastic folds extending inwardly toward the longitudinal axis of said body and terminating at a radial position inwardly of the radial position of the terminal-memberengaging surface of said ribs, for aid in retention of said body on a terminal member.
10. Apparatus according to claim 1, wherein said annular body is a unitary structure incorporating said ribs and web portions.
References Cited UNITED STATES PATENTS 2,538,483 1/1951 Summers 8556 2,632,479 3/1953 Pfeil et a1. 2,873,765 2/1959 Gregory 138-96 MARVIN A. CHAMPION, Primary Examiner.
I H. McGLYNN, Assistant Examiner.
Claims (1)
1. A TERMINAL MEMBER PROTECTOR COMRPSING: AN ANNULAR BODY OF RESILIENTLY ELASTIC, SUBSTANTIALLY NONRIGID MATERIAL, HAVING A CENTRAL TERMINAL-MEMBER-RERECIVING CAVITY FORMED THEREIN, A PLURALITY OF LONGITUDINAL TERMINAL-MEMBER-ENGAGING CIRCUMFERENTIALLY-SPACED INWARDLY-EXTENDING RIBS FORMED ON SAID ANNULAR BODY AND FORMING A PORTION OF THE WALLS OF SAID CAVITY, SAID CAVITY WALLS BEING FURTHER FORMED BY A PLURALITY OF ARCUATELY-CURVED WED PORTIONS, THINNER THAN SAID RIBS AND CONNECTING ADJACENT RIBS, THE LINEAR ARCUATE LENGTH IN CROSS-SECTIONAL DIRECTION OF AT LEAST ONE OF SAID ARCUATELY-CURVED WEBS BEING GREATER THAN THE DISTANCE BETWEEN SAID RIBS AT THE RESPESCTIVE POINTS OF INTERSECTION OF THE RESPECTIVE WEB WITH THE RESPECTIVE ADJACENT SAID RIBS TO ENABLE ELASTIC FLEXING OF SAID CURVED WEB PORTIONS TO A STRAIGHTENED CONFIGURATION IN ACCOMMODATING AND RESILIENTLY HOLDING TERMINAL MEMBERS OF VARIOUS CROSS-SECTIONAL SIZES.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US455285A US3327280A (en) | 1965-05-12 | 1965-05-12 | Protective device for a terminal member |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US455285A US3327280A (en) | 1965-05-12 | 1965-05-12 | Protective device for a terminal member |
Publications (1)
Publication Number | Publication Date |
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US3327280A true US3327280A (en) | 1967-06-20 |
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ID=23808186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US455285A Expired - Lifetime US3327280A (en) | 1965-05-12 | 1965-05-12 | Protective device for a terminal member |
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US (1) | US3327280A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3384700A (en) * | 1966-04-19 | 1968-05-21 | Christopher W. Mier | Splice insulating device of the heavy duty type |
US3692927A (en) * | 1970-06-01 | 1972-09-19 | Edwin Ivan Ellaschuk | Cover for insulator assembly |
US3968824A (en) * | 1975-06-23 | 1976-07-13 | Mcloughlin John | Protective cover for extending shafts |
US4184732A (en) * | 1975-10-02 | 1980-01-22 | Hudson Gerald E | Plug retaining device |
US4720267A (en) * | 1985-05-29 | 1988-01-19 | Jong Siegfried A De | Connector with internal electrical connections to be made optionally |
US4840547A (en) * | 1988-08-10 | 1989-06-20 | Tecumseh Products Company | Compressor including protective cap for hermetic terminal |
US5037122A (en) * | 1988-10-17 | 1991-08-06 | Beckerer Frank S Jr | Protective cover for a trailer hitch |
US5823237A (en) * | 1996-06-24 | 1998-10-20 | Alvern-Norway A/S | Protective cover for a fuel pump filler gun and method for protecting same |
US20110023979A1 (en) * | 2009-07-29 | 2011-02-03 | Scott Henderson | Bath spout cover |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2538483A (en) * | 1945-11-15 | 1951-01-16 | Summers George | Plastic cap for bolts and nuts |
US2632479A (en) * | 1949-03-08 | 1953-03-24 | Aluminum Co Of America | Thread protector |
US2873765A (en) * | 1957-02-27 | 1959-02-17 | E A Polumbus Jr | Thread protectors for well sucker-rods |
-
1965
- 1965-05-12 US US455285A patent/US3327280A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2538483A (en) * | 1945-11-15 | 1951-01-16 | Summers George | Plastic cap for bolts and nuts |
US2632479A (en) * | 1949-03-08 | 1953-03-24 | Aluminum Co Of America | Thread protector |
US2873765A (en) * | 1957-02-27 | 1959-02-17 | E A Polumbus Jr | Thread protectors for well sucker-rods |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3384700A (en) * | 1966-04-19 | 1968-05-21 | Christopher W. Mier | Splice insulating device of the heavy duty type |
US3692927A (en) * | 1970-06-01 | 1972-09-19 | Edwin Ivan Ellaschuk | Cover for insulator assembly |
US3968824A (en) * | 1975-06-23 | 1976-07-13 | Mcloughlin John | Protective cover for extending shafts |
US4184732A (en) * | 1975-10-02 | 1980-01-22 | Hudson Gerald E | Plug retaining device |
US4720267A (en) * | 1985-05-29 | 1988-01-19 | Jong Siegfried A De | Connector with internal electrical connections to be made optionally |
US4840547A (en) * | 1988-08-10 | 1989-06-20 | Tecumseh Products Company | Compressor including protective cap for hermetic terminal |
US5037122A (en) * | 1988-10-17 | 1991-08-06 | Beckerer Frank S Jr | Protective cover for a trailer hitch |
US5823237A (en) * | 1996-06-24 | 1998-10-20 | Alvern-Norway A/S | Protective cover for a fuel pump filler gun and method for protecting same |
US20110023979A1 (en) * | 2009-07-29 | 2011-02-03 | Scott Henderson | Bath spout cover |
US8424129B2 (en) * | 2009-07-29 | 2013-04-23 | Skip Hop, Inc. | Bath spout cover |
US20130224427A1 (en) * | 2009-07-29 | 2013-08-29 | Skip Hop, Inc | Bath Spout Cover |
US9060653B2 (en) * | 2009-07-29 | 2015-06-23 | Skip Hop, Inc. | Bath spout cover |
US20150265104A1 (en) * | 2009-07-29 | 2015-09-24 | Skip Hop, Inc | Bath Spout Cover |
US9763544B2 (en) * | 2009-07-29 | 2017-09-19 | Skip Hop, Inc. | Bath spout cover |
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