Locking device

Claim 2

A locking device for securing electronic audio entertainment units to an interior support member within an automobile vehicle, including in combination: a housing for an entertainment unit having a pair of opposte and spaced walls, a first wall to be positioned adjacent the support member, and said pair of housing walls and said support member having aligned apertures therein, an elongated threaded shaft to be inserted through said apertures in said pair of housing walls and said support member, means for locking said shaft within said housing with said shaft fully inserted to prevent said shaft from rotating with respect to said housing, and bushing means to threadedly received on said shaft and adapted to be extended through said support member and said first wall with said shaft fully inserted, said bushing means having a widened flange portion opposite said support member from said first wall to retain said bushing means by said support member, and further having another portion adapted to be secured against rotation with respect to said housing whereby rotation of said bushing means with respect to said shaft is prevented, wherein said bushing means includes a pair of bushings to be adjacently received on said shaft, one of said bushings has said widened flange portion on a non-adjacent end thereof and the other of said bushings has a portion to be secured to said housing to prevent said other bushing from rotating with respect thereto, the adjacent ends of said bushings have arcuate protrusions, respectively, extending toward the adjacent bushing with said bushings received on said shaft, and said protrusions interlocked to secure said one bushing against rotation with respect to said other bushing.

Claim 3

A locking device as claimed in claim 1 wherein said adjacent ends of the bushings are within said housing whereby said adjacent ends are generally inaccessible to prevent their defeat by forceful means.

Claim 4

A locking device for electronic audio entertainment units to be mounted in close proximity to an interior support member of an automobile vehicle, including in combination: a housing for an entertainment unit having a pair of opposite and spaced walls, one of said walls to be secured in abutting relation with the support member to minimize access therebetween, and said pair of housing walls and said support member having aligned apertures therein, an open-ended barrel member to be secured to the other of said housing walls, a portion thereof being mounted internally and within the confines of said housing with the open ends of said barrel member in alignment with the aperture in said wall, an elongated shaft having a lock cylinder on one end portion thereof and a circumferentially threaded length at the other end portion thereof, said shaft to be inserted through said aperture in said other wall, said barrel member, and said aligned apertures in said one housing wall and said support member, and said lock cyliner lockable within the portion of said barrel member located within said housing with said shaft fully inserted to prevent said shaft from rotating with respect to said barrel member and to prevent access to said lock cylinder froM outside of said housing, and bushing means threaded to be received on said circumferentially threaded length of said shaft and adapted to be extended through said support member and said one housing wall with said shaft fully inserted, said bushing means having a widened flange portion opposite said support member from said one housing wall to retain said bushing means by said support member, and further having another portion interacting with said one housing wall to secure said other portion against rotation with respect to said housing whereby rotation of said bushing means with respect to said shaft is prevented.

Claim 5

A locking device for electronic audio entertainment units to be mounted in close proximity to an interior support member of an automobile vehicle, including in combination: a housing for an entertainment unit having a pair of opposite and spaced walls, one of said walls to be secured in abutting relation with the support member to minimize access therebetween, and said pair of housing walls and said support member having aligned apertures therein, an open-ended barrel member to be secured to the other of said housing walls, a portion thereof being mounted internally and within the confines of said housing with the open ends of said barrel member in alignment with the aperture in said wall, an elongated shaft having a lock cylinder on one end portion thereof and a circumferentially threaded length at the other end portion thereof, said shaft to be inserted through said aperture in said other wall, said barrel member, and said aligned apertures in said one housing wall and said support member, and said lock cyliner lockable within the portion of said barrel member located within said housing with said shaft fully inserted to prevent said shaft from rotating with respect to said barrel member and to prevent access to said lock cylinder froM outside of said housing, and bushing means threaded to be received on said circumferentially threaded length of said shaft and adapted to be extended through said support member and said one housing wall with said shaft fully inserted, said bushing means having a widened flange portion opposite said support member from said one housing wall to retain said bushing means by said support member, and further having another portion interacting with said one housing wall to secure said other portion against rotation with respect to said housing whereby rotation of said bushing means with respect to said shaft is prevented.

Claim 6

A locking device for securing equipment units such as, for example, audio entertainment units to a support member located for example, in a vehicle, each unit including a first housing wall to be spaced from the support member and a second housing wall to be positioned in abutting relation with the support member to minimize access therebetween, including in combination: an elongated shaft having a free end portion to be inserted through one of said first wall and said support member into said unit, elongated bushing means having a free end portion to be inserted through the other of said first wall and said support member into said unit, said free end portion being engageable with said free end portion of said shaft in the inserted position, a locking arrangement for locking one of said shaft and said bushing means with respect to one of said first wall and said support member when said shaft and said bushing means are in engagement for preventing movement therebetween and movement with respect to said one of said first wall and said support member, said locking arrangement including means operable to locked and unlocked conditions, said means being located within the confines of said equipment unit between said first and second housing walls to prevent access thereto from outside of said unit, the other of said shaft and said bushing means having a widened flange portion external of said unit and said support member for retaining the same in an inserted position, and said free end portion of said bushing means further including means thereon cooperating with one of said first housing walls and said support member for preventing movement of said bushing means relative to said shaft whereby both the selective removal of said shaft and said bushing means from said mutual engagement and said inserted position within said unit is prevented.

Claim 7

A locking device for securing equipment units such as, for example, audio entertainment units to a support member located for example, in a vehicle, each unit including a first housing wall to be spaced from the support member and a second housing wall to be positioned in abutting relation with the support member to minimize access therebetween, including in combination: an elongated shaft having a free end portion to be inserted through one of said first wall and said support member into said unit, elongated bushing means having a free end portion to be inserted through the other of said first wall and said support member into said unit, said free end portion being engageable with said free end portion of said shaft in the inserted position, a locking arrangement for locking one of said shaft and said bushing means with respect to one of said first wall and said support member when said shaft and said bushing means are in engagement for preventing movement therebetween and movement with respect to said one of said first wall and said support member, said locking arrangement including means operable to locked and unlocked conditions, said means being located within the confines of said equipment unit between said first and second housing walls to prevent access thereto from outside of said unit, the other of said shaft and said bushing means having a widened flange portion external of said unit and said support member for retaining the same in an inserted position, and said free end portion of said bushing means further including means thereon cooperating with one of said first housing walls and said support member for preventing movement of said bushing means relative to said shaft whereby both the selective removal of said shaft and said bushing means from said mutual engagement and said inserted position within said unit is prevented.