US4739637A — Locking device for portable equipment

Claim 1

Independent Claim 170 words

A manufacture adapted to secure an article to a mounting surface and comprising a cover having a topwall with an underside and a periphery joining said topwall, no more than one rigid plate substantially co-extensive in area with said cover and adapted for securement to the mounting surface, the cover encompassing said plate in assembly, means for connecting said cover to the article only from a position physically adjacent to the underside of said cover and being accessible thereto only when said cover and plate are disassembled, keying members respectively securely mounted on said plate and on the underside of said cover for corresponding cooperative engagement upon relative horizontal shifting motion between plate and cover in their assembly to one another, and lock means mounted to said periphery and abutting the plate to prevent relative horizontal shifting motion between plate and cover after such cooperative engagement, said lock means not being operatively connected to said keying members, such cooperative engagement and lock means preventing successful attack on said keying members.

Claim 2

Dependent Claim 170 words

A manufacture adapted to secure an article to a mounting surface and comprising a cover having a topwall with an underside and a periphery joining said topwall, no more than one rigid plate substantially co-extensive in area with said cover and adapted for securement to the mounting surface, the cover encompassing said plate in assembly, means for connecting said cover to the article only from a position physically adjacent to the underside of said cover and being accessible thereto only when said cover and plate are disassembled, keying members respectively securely mounted on said plate and on the underside of said cover for corresponding cooperative engagement upon relative horizontal shifting motion between plate and cover in their assembly to one another, and lock means mounted to said periphery and abutting the plate to prevent relative horizontal shifting motion between plate and cover after such cooperative engagement, said lock means not being operatively connected to said keying members, such cooperative engagement and lock means preventing successful attack on said keying members.

Claim 3

Dependent Claim 35 words

The manufacture of claim 1 including an edge on said plate, said lock means abutting said edge after relative horizontal shifting motion between said cover and plate cooperatively engages said keying members to one another.

Claim 4

Dependent Claim 70 words

The manufacture of claim 2 wherein one of said keying members has at least one ear depending from the underside of said cover and the other of said keying members has at least one clip member including an aperture, said clip member secured to and extending upwardly from said plate and in alignment with such ear, said ear and aperture cooperatively engaging each other in such relative horizontal shifting motion.

Claim 5

Dependent Claim 67 words

The manufacture of claim 1 wherein one of said keying members has at least one ear depending from the underside of said cover and the other of said keying members has at least one clip member including an aperture secured to and extending upwardly from said plate and in alignment with such ear, said ear and aperture cooperatively engaging each other in such relative horizontal shifting motion.

Claim 6

Dependent Claim 41 words

The manufacture of claim 1 or claim 2 or claim 3 or claim 4 wherein said lock means comprises a cylinder secured in said periphery and having a tang thereon abuttable with said plate thereby preventing such relative horizontal shifting motion.

Claim 7

Dependent Claim 24 words

The manufacture of claim 5 including case hardened sleeves mounted on said connecting means above said cover for preventing separation of article from cover.

Claim 8

Dependent Claim 33 words

The manufacture of claim 1 or claim 2 or claim 3 or claim 4 including case hardened sleeves mounted on said connecting means above said cover for preventing separation of article from cover.

Claim 9

Dependent Claim 76 words

The manufacture of claim 1 wherein said lock means comprises a cylinder having a tang mounted thereon for rotation, said manufacture including a body segment comprising an edge on said plate physically adjacent said tang, at least one recess along said edge further defining said body segment, and a tab mounted on the end of said tang for rotation through said one recess to beneath the plate as said tang abuts said edge in such rotation.

Claim 10

Dependent Claim 82 words

The manufacture of claim 2 or claim 3 or claim 4 wherein said lock means comprises a cylinder having a tang mounted thereon for rotation, said manufacture including a body segment comprising an edge on said plate physically adjacent said tang, at least one recess along said edge further defining said body segment, and a tab mounted on the end of said tang for rotation through said one recess to beneath the plate as said tang abuts said edge in such rotation.

Claim 11

Dependent Claim 60 words

The manufacture of claim 5 including a body segment comprising an edge on said plate plysically adjacent said tang, at least one recess along said edge further defining said body segment, and a tab mounted on the end of said tang for rotation through said one recess to beneath the plate as said tang abuts said edge in such rotation.

Claim 12

Dependent Claim 60 words

The manufacture of claim 6 including a body segment comprising an edge on said plate physically adjacent said tang, at least one recess along said edge further defining said body segment, and a tab mounted on the end of said tang for rotation through said one recess to beneath the plate as said tang abuts said edge in such rotation.

Claim 13

Dependent Claim 60 words

The manufacture of claim 7 including a body segment comprising an edge on said plate physically adjacent said tang, at least one recess along said edge further defining said body segment, and a tab mounted on the end of said tang for rotation through said one recess to beneath the plate as said tang abuts said edge in such rotation.

Claim 14

Dependent Claim 37 words

The manufacture of claim 1 or claim 2 or claim 3 or claim 4 or claim 8 wherein said keying members are located on their respective cover and plate elements so as to form a randomly-selected pattern.

Claim 15

Dependent Claim 25 words

The manufacture of claim 5 wherein said keying members are located on their respective cover and plate elements so as to form a randomly-selected pattern.

Claim 16

Dependent Claim 25 words

The manufacture of claim 6 wherein said keying members are located on their respective cover and plate elements so as to form a randomly-selected pattern.

Claim 17

Dependent Claim 25 words

The manufacture of claim 7 wherein said keying members are located on their respective cover and plate elements so as to form a randomly-selected pattern.

Claim 18

Dependent Claim 25 words

The manufacture of claim 9 wherein said keying members are located on their respective cover and plate elements so as to form a randomly-selected pattern.

Claim 19

Dependent Claim 25 words

The manufacture of claim 10 wherein said keying members are located on their respective cover and plate elements so as to form a randomly-selected pattern.

Claim 20

Dependent Claim 25 words

The manufacture of claim 11 wherein said keying members are located on their respective cover and plate elements so as to form a randomly-selected pattern.

Claim 21

Dependent Claim 16 words

The manufacture of claim 12 wherein said keying members in their locations form a randomly-selected pattern.

Claim 22

Dependent Claim 27 words

The manufacture of claim 1 or claim 2 or claim 3 or claim 4 or claim 8 including means for securing said plate to the mounting surface.

Claim 23

Dependent Claim 35 words

The manufacture of claim 1 or claim 2 or claim 3 or claim 4 or claim 8 wherein the periphery of said cover has a depth which extends to the mounting surface when mounted thereto.

Claim 24

Dependent Claim 41 words

The manufacture of claim 21 wherein said securing means comprises a pad having adhesive qualities on each of its sides, one of such sides adhering to the bottom of said plate, its other side adapted to adhere to the mounting surface.

Claim 25

Dependent Claim 171 words

In an aperture for securing an article to a mounting surface and which includes a rigid plate adapted for securement to the mounting surface and a cover having a periphery and top with an underside, the cover connectable to the article only from a position physically adjacent ther underside of such cover and being accessible thereto only when the plate and cover are disassembled, the cover encompassing said rigid plate in assembly, the improvement comprising said plate being no more than one single member and being substantially co-extensive in area with said cover, keying members respectively securely mounted on said plate and on the underside of said cover for corresponding cooperative engagement upon relative horizontal shifting between plate and cover in their assembly to one another, and lock means mounted to said periphery abutting the plate and not operatively connected to said keying members to prevent horizontal shifting motion between said cover and plate after such cooperative engagement, the encompassing of cover to plate preventing successful attack on said keying members.

Claim 26

Dependent Claim 171 words

In an aperture for securing an article to a mounting surface and which includes a rigid plate adapted for securement to the mounting surface and a cover having a periphery and top with an underside, the cover connectable to the article only from a position physically adjacent ther underside of such cover and being accessible thereto only when the plate and cover are disassembled, the cover encompassing said rigid plate in assembly, the improvement comprising said plate being no more than one single member and being substantially co-extensive in area with said cover, keying members respectively securely mounted on said plate and on the underside of said cover for corresponding cooperative engagement upon relative horizontal shifting between plate and cover in their assembly to one another, and lock means mounted to said periphery abutting the plate and not operatively connected to said keying members to prevent horizontal shifting motion between said cover and plate after such cooperative engagement, the encompassing of cover to plate preventing successful attack on said keying members.

Claim 27

Dependent Claim 22 words

In the apparatus of claim 24, said keying members forming a randomly-selected pattern in their corresponding locations on said cover and plate.

Claim 28

Dependent Claim 18 words

The improvement of claim 24 or claim 25 including means for securing said plate to the mounting surface.

Claim 29

Dependent Claim 41 words

The improvement of claim 26 wherein said securing means comprises a pad having adhesive qualities on each of its sides, one of such sides adhering to the bottom of said plate, its other side adapted to adhere to the mounting surface.

Claim 30

Dependent Claim 14 words

The improvement of claim 26 wherein said securing means comprises holes in said plate.

Claim 31

Dependent Claim 20 words

The apparatus of claim 24 wherein the cover's periphery includes a depth which extends to physically engage the mounting surface.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1991-04-26	1991-10-26	1992-04-26	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1995-04-26	1995-10-26	1996-04-26	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1999-04-26	1999-10-26	2000-04-26	$7700.00	Window Closed / Lapsed

Locking device for portable equipment

Abstract

Inventors

Bibliographic Details

Claims Analysis

References Cited (Backward Citations)

USPTO Annuity & Maintenance Windows

Assigned Categories & Tags

Assign Category Tag