US2731937A

US2731937A - Audible alarm assembly

Info

Publication number: US2731937A
Authority: US
Publication date: 1956-01-24
Anticipated expiration: 1973-01-24

Description

Jan. 24, 1956 L. H. RHODES AUDIBLE ALARM ASSEMBLY Filed April 19. 1954 l 2 Sheets-Sheet l la 5,8 X I l f L 0020 H. Rh odes mmvroze.

(Wavy Em 1956 L. H. RHODES AUDIBLE ALARM ASSEMBLY 2 Sheets-Sheet 2 Filed April 19. 1954 L 0020 H. Rhodes INVENTOR.

BY -mg,

United States PatentO AUDIBLE ALARM ASSEMBLY Lonzo H. Rhodes, Yakima, Wash. Application April 19, 1954, Serial No. 424,194

' 1 Claim. 01. 116-87) This invention relates to an audible alarm assembly, and more particularly to a device which can be tripped by a dog for giving an audible alarm to scare the dog from the area where the dog gun is set. 7

An object of this invention is to provide an alarm having novel means for releasing a signal actuating device to produce an audible soundf Another object of thisinvention is to provide an alarm which can be released for producing an audible sound 2,731,937 Patented Jan. 24, 1 956 2 tion. The leg portions of the member 26 are provided with tabs 28 along one side thereof for securing the member 26 in fixed position on the plate 24. Theleg portion of the member 26 will extend above the plate 24.

Pivotally mounted between the leg portions of the member 26 by means of a pin 30 is a latch member 32. The latch member 32 has a detent portion 34 adapted to ovedlie a portion of the cover when the cover is closed and a flat gripping portion 36 whereby the latch32 can be actuated. A spring having a central core portion 38 and a pair of bight portions 40 and 42 is mounted on the pin 30 with the core portion 38 receiving the pin 30. The leg 40 of the spring engages the plate 24 and the end 42 engages the gripping portion 36 for urging the detent portion 34 into engagement with the cover. The top 14 is provided with a recess 44 adjacent the edge thereof which receives the detent portion 34 to provide a more positive securing of the cover in closed position.

The latch 32 is further provided with an aperture 46 adjacent the detent portion 34 which is adapted to receive one end of the flexible cable 48. The other end of the flexible cable 48 is adapted to be secured to a post 50. The purpose of the cable 48 and post 50 will be later described.

Mounted within the housing is a U-shaped bracket having vertical leg portions 52 secured at their lower ends to' the base 10 adjacent the marginal wall 12 which has the cover hinged thereto. The legs 52 may be secured to the base 10 by means of welding or the like. The webportion .54 of the bracket is spaced above the base 10 adjacent the upper edge of the marginal Wall 12. A

' spring havinga central core portion 56 and leg portions in like numerals refer to like parts throughout, and in V which:

' Figure 1 is a perspective view illustrating the mounting of the-improved alarm assembly forming the subject of this invention, to protect shrubbery.

Figure 2 is an enlarged sectional view taken substantially along the section line 2--2 of Figure 1 and with the assembly in cocked position;

Figure 3 is a sectional view similar to Figure 2 but with the assembly shown in tripped position;

Figure 4 is a sectional view taken substantially along the section line 4--4 of Figure 3;

Figure 5 is an enlarged rear elevational view of the alarm and Figure 6 is a sectional view taken substantially along the section line 6 6 of Figure 2.

Referring now more particularly to the accompanying drawings, it will be seen that the improved alarm assembly forming the subject of this invention includes, a housing part of a base 10 having upstanding marginal walls 12. A cover member is provided enclosing the top of the housing. The cover is formed of a top 14 having downwardly extending marginal walls 16. The marginal walls 16 are adapted to surround the upper ends of the marginal walls 12.

One of the marginal walls 16 is provided with an outwardly extending loop portion 18 at its lower edge. A U-shaped member has its web portion 20 received in the portion 18 for pivotal movement therein and has its legs 22 secured to one of the marginal walls 12 as by welding or the like. The U-shaped member thus forms a pivotal connection for securing the cover to the housing.

Fixedly secured to the bottom surface of the base 10 and extending from the center thereof beyond the side opposite the hinge connection of the cover to the housing is a plate 24. The plate 24 may be secured in fixed position by means of welding or the like. A substantially U-shaped member 26 is mounted on the plate 24 with the web portion thereof parallel to and adjacent the marginal wall 12 of the housing opposite the hinge connec- 58 and 60 is mounted on the U-shaped bracket with the core portion 56 receiving the web portion 54 of the bracketl. The leg 58 is adapted to engage the upper surface of the'baselll and the. leg 60 is adapted to engage the inner surface of the top 14 for urging the cover away from the housing.

Mounted within the housing and secured to the upper surface of the base 10 by means of welding or the like, is a platform 62. Fixedly secured to the platform 62 in any suitable manner is a pan 64. Extending between the side walls of the pan 64 are spaced

parallel shafts

66, 68 and 70. The shafts 66 and are positioned adjacent the opposite ends of the pan and shaft 68 is positioned adjacent the midportion thereof. The

shafts

66, 68 and 70 extend across a marginal wall of the pan 64, having a hinge connection thereon.

Mounted within the pan 64 is an anvil 72. The anvil 72 is positioned between the

shafts

68 and 70. The shaft 68 is provided with a hammer 74 pivotally mounted thereon for movement into engagement with the anvil 72. A spring having a coiled central portion 76 and

leg portions

78 and 80 is mounted on the shaft 68 with the coil portion 76 receiving the shaft 68. The leg 78 is in engagement with the pan 64 and leg 80 is in engagement with the hammer 74 for urging the hammer 74 towards the anvil 72.

Pivotally mounted on the shaft 66 is a flap 82. The flap 82 is of a length so as to have the free end thereof overlying the anvil 72. A flap 84 is pivotally mounted on shaft 70 and is of a length whereby its free end overlies the anvil 72.

Secured to the plate 24 at the center of the base 10 is a downwardly extending internally threaded collar 86. The collar 86 receives the upper threaded end 88 of a rod 90 having a lower pointed end 92.

In practical use of the device, the rod 90 is connected to the housing and a flexible cable 48 is connected to the 7 aperture 46 and to the post 50. Then, the post 50 is placed in position on the ground adjacent a shrub whichit is desired to protect. The flexible cable 48 is stretched 3 taut and the rod 90 is embedded in the ground in spaced relation to the post 59 with the flexible cable 48 stretching across the path leading to the shrub which it is desired to protect. Then, a plurality of caps 94 are placed in position on the anvil 72 and the hammer 74 is moved to the position shown in Figure 2. The fiap 82 is then moved downwardly into the pan to hold the hammer 74 retracted and flap 84 is moved into position against the end of flap 82 to hold the flap 82 in position. Then, the cover is closed against the action of the leg 60 of the spring and the detent 34 is engaged in the recess 44. Then, it will be seen that when the dog or other animal comes in contact with the flexible cable 48 the detent 34 will be released from engagement with the recess 44 whereby leg 60 will urge the cover open and at the same time freeing the

flaps

84 and 82 which will allow the hammer 74 to strike the caps 94 on the anvil 72.

The explosion of the cap in the housing will scare the dog causing the same to leave the area where the alarm assembly is set up. After the cap 94 has been exploded, a new set of caps can be placed on the anvil 72 and the device reset so as to scare away any subsequent animals approaching the shrubs which it is desired to protect.

The latch 32 can be replaced by any other suitable latching means such as a latch having arms extending at right angles to each other and which are mounted for movement about a verticalaxis. In such a. case, one of the arms would be adapted to overlie the cover and the flexible cable 48 would be secured to the other arm whereby movement of the cable 48 would swing the arm overlying the cover 14 from that position and allowing the release of the cover.

From the foregoing, the construction and operation of the device will be readily understood and further modifications and changes will readily occur to those skilled in the art, it is not desired to limit the invention to the exact construction shown and described, and accordingly all suitable modifications and equivalents may be resorted to, falling within the scope of the appended claim.

What is claimed as new is as follows:

An alarm assembly comprising a housing having up- 4 standing sides defining an open top, a downwardly extending support rod secured on a lower portion of said housing, a cover pivotally secured to said housing at one end thereof for closing said open top, means mounted adjacent an opposite end of said housing for engaging said cover to retain the same in closed position, force transmitting means connected to said first mentioned means for actuating the same to release said cover, an audible alarm mounted in said housing, actuating means in said housing for engaging said alarm, said actuating means being actuated by pivotal movement of said cover away from said housing, said first named means comprising a pivoted latch fixedly mounted in spaced relation to said housing for relative movement thereto, said latch having a latching portion extending in overlying juxtaposed relationship to an edge of said cover, and a spring member engageable with said pivotal latch for urging it into latching contact with said cover, said audible alarm and actuating means including a pan having an open top being carried in said housing, a cap supporting anvil contained in said pan, a spring urged hammer element engageable with the cap on said anvil, a first flap element pivotally supported though overlying said hammer element, a second flap element pivotally supported in spaced relation to said first flap element to overlie an end portion of said first flap opposite the pivot of the first flap, said second flap being engageable with an inner portion of the cover when the cover is closed, and a spring element in said housing and engageable with said cover for urging the same off the housing.

References Cited in the file of this patent UNITED STATES PATENTS 218,240 Daniels Aug. 5, 1879 685,185 Smith Oct. 22, 1901 720,330 Craig Feb. 10, 1903 1,434,132 McDonald Oct. 31', 1922 1,643,293 Clarke Sept. 27, 1927 2,196,961 Epstein Apr. 9, 1940