US4578739A — Quick disconnect and function change radio assemb…

Claim 1

Independent Claim 259 words

An assembly for devices having a generic circuit portion and a unique circuit portion, said assembly comprising, a main housing for said generic circuit portion having at least one inside wall and at least one outside wall, a subassembly housing for said unique circuit portion, having an inside and outside wall, a circuit board within said main housing for the components of said generic circuit portion, said circuit board having a first and second end, and slideable within said main housing between a first and second position, a tongue-like projection having a first end attached to said circuit board and having a second end with a central slot, a wedge integral with said inside wall of said main housing and engagng said tongue-like projection central slot so as to limit the amount said circuit board can slide in a first direction, to said first position, a receiving cavity in said subassembly housing for receiving and engaging said tongue-like projection, a first signal conducting connector mounted on said subassembly housing, a second signal conducting connector mounted on said circuit board for engagement with said first signal conducting connector when said circuit board slides in a second direction, to said second position, a flange mounted on said subassembly housing to receive and engage said circuit board first end when said circuit board slides to said second position, and whereby said flange engagement of said circuit board first end and said tongue-like projection engagement of said receiving cavity provides a mechanical coupling which locks said main housing and said subassembly housing together.

Claim 2

Dependent Claim 259 words

An assembly for devices having a generic circuit portion and a unique circuit portion, said assembly comprising, a main housing for said generic circuit portion having at least one inside wall and at least one outside wall, a subassembly housing for said unique circuit portion, having an inside and outside wall, a circuit board within said main housing for the components of said generic circuit portion, said circuit board having a first and second end, and slideable within said main housing between a first and second position, a tongue-like projection having a first end attached to said circuit board and having a second end with a central slot, a wedge integral with said inside wall of said main housing and engagng said tongue-like projection central slot so as to limit the amount said circuit board can slide in a first direction, to said first position, a receiving cavity in said subassembly housing for receiving and engaging said tongue-like projection, a first signal conducting connector mounted on said subassembly housing, a second signal conducting connector mounted on said circuit board for engagement with said first signal conducting connector when said circuit board slides in a second direction, to said second position, a flange mounted on said subassembly housing to receive and engage said circuit board first end when said circuit board slides to said second position, and whereby said flange engagement of said circuit board first end and said tongue-like projection engagement of said receiving cavity provides a mechanical coupling which locks said main housing and said subassembly housing together.

Claim 3

Dependent Claim 69 words

An assembly in accordance with claim 1, including a slideable latch mounted on said inside wall of said subassembly housing, said latch having a switch portion accessable from said outside wall of said subassembly housing and capable of switching said latch to a first or second position, a latch surface formed in said main housing and receiving said latch when said switch portion is in said latch second position.

Claim 4

Dependent Claim 55 words

An assembly in accordance with claim 1, including a post integral with said inside wall of said subassembly housing a port in said main housing which receives said post thereby holding said subassembly housing in its mated position with said main housing while said circuit board slides from said first position to said second position.

Claim 5

Dependent Claim 192 words

A subassembly of a device for mating with both a main housing of said device and a two position circuit board with said main housing with said circuit board having a first and second end and having mounted thereon a circuit board connector and a tongue-like projection with a central slot, said subassembly comprising, a subassembly housing having an inside and outside wall, a receiving cavity in said subassembly housing for engagement with said tongue-like projection when said circuit board is in a second position, circuitry mounted on said inside wall of said subassembly housing, a signal conducting connector mounted on said inside wall of said subassembly housing for engagement with said circuit board connector when said circuit board is in a second position, a flange mounted on said subassembly housing to engage said circuit board first end when said circuit board is in a second position, and whereby when said circuit board, with said circuit board connector and tongue-like projection mounted thereon, is in a first position, said subassembly mates freely with said main housing and thereafter locks to said main housing when said circuit board is in a second position.

Claim 6

Dependent Claim 192 words

A subassembly of a device for mating with both a main housing of said device and a two position circuit board with said main housing with said circuit board having a first and second end and having mounted thereon a circuit board connector and a tongue-like projection with a central slot, said subassembly comprising, a subassembly housing having an inside and outside wall, a receiving cavity in said subassembly housing for engagement with said tongue-like projection when said circuit board is in a second position, circuitry mounted on said inside wall of said subassembly housing, a signal conducting connector mounted on said inside wall of said subassembly housing for engagement with said circuit board connector when said circuit board is in a second position, a flange mounted on said subassembly housing to engage said circuit board first end when said circuit board is in a second position, and whereby when said circuit board, with said circuit board connector and tongue-like projection mounted thereon, is in a first position, said subassembly mates freely with said main housing and thereafter locks to said main housing when said circuit board is in a second position.

Claim 7

Dependent Claim 80 words

A subassembly in accordance with claim 4, including, a sideable latch mounted on said inside wall of said subassembly housing, said latch having a switch portion accessable from said outside wall of said subassembly housing and capable of sliding said latch from a first to a second position, whereby said subassembly mates to said main housing when said latch is in a first position and said subassembly locks to said main housing when said latch is in a second position.

Claim 8

Dependent Claim 43 words

A subassembly in accordance with claim 4, including, a post integral with said inside wall of said subassembly, said post mates with said main housing and deters movement of said subassembly when said circuit board changes from a second to a first position.

Claim 9

Dependent Claim 253 words

An assembly for devices having a generic circuit portion and a unique circuit portion, said assembly comprising, a main housing for said generic circuit portion having at least one inside wall and at least one outside wall, a subassembly housing for said unique circuit portion, having an inside and outside wall, a circuit board within said main housing for the components of said generic circuit portion, said circuit board having a first and second end, and slideable within said main housing between a first and a second position, a pawl-like projection having a first end attached to said circuit board, a pawl stop means adjacent said outside wall of said main housing for engaging said pawl-like projection so as to limit the amount said circuit board can slide in a first direction, to said first position, a receiving cavity in said subassembly housing including projection engagement means for receiving and engaging said pawl-like projection, a first signal conducting connector mounted on said subassembly housing, a second signal conducting connector mounted on said circuit board for engagement with said first signal conducting connector when said circuit board slides in a second direction, to said second position, a flange mounted on said subassembly housing to receive and engage said circuit board first end when said circuit board slides to said second position, and whereby said flange engagement of said circuit board and said pawl-like projection engagement of said receiving cavity means provides a mechanical coupling which locks said main housing and said subassembly housing together.

Claim 10

Dependent Claim 253 words

An assembly for devices having a generic circuit portion and a unique circuit portion, said assembly comprising, a main housing for said generic circuit portion having at least one inside wall and at least one outside wall, a subassembly housing for said unique circuit portion, having an inside and outside wall, a circuit board within said main housing for the components of said generic circuit portion, said circuit board having a first and second end, and slideable within said main housing between a first and a second position, a pawl-like projection having a first end attached to said circuit board, a pawl stop means adjacent said outside wall of said main housing for engaging said pawl-like projection so as to limit the amount said circuit board can slide in a first direction, to said first position, a receiving cavity in said subassembly housing including projection engagement means for receiving and engaging said pawl-like projection, a first signal conducting connector mounted on said subassembly housing, a second signal conducting connector mounted on said circuit board for engagement with said first signal conducting connector when said circuit board slides in a second direction, to said second position, a flange mounted on said subassembly housing to receive and engage said circuit board first end when said circuit board slides to said second position, and whereby said flange engagement of said circuit board and said pawl-like projection engagement of said receiving cavity means provides a mechanical coupling which locks said main housing and said subassembly housing together.

Claim 11

Dependent Claim 36 words

An assembly in accordance with claim 7 wherein said pawl-like projection further includes a slot adjacent the unattached end and said pawl stop means comprises a wedge integral with said inside wall of said main housing.

Claim 12

Dependent Claim 69 words

An assembly in accordance with claim 7, including a slideable latch mounted on said inside wall of said subassembly housing, said latch having a switch portion accessable from said outside wall of said subassembly housing and capable of switching said latch from a normal to an extended position, a latch surface formed in said main housing and receiving said latch when said switch portion is in said extended position.

Claim 13

Dependent Claim 214 words

In a radio receiver, a subassembly including a unique circuit portion for mating with both a main housing of said device and a generic circuit board within said main housing, with said generic circuit board having a first and second end and having further mounted thereon a circuit board connector and a pawl-like projection said subassembly comprising, a subassembly housing having an inside and outside wall, a receiving cavity in said subassembly housing for engagement with said pawl-like projection when said circuit board is in a second position, unique circuitry mounted on said inside wall of said subassembly housing including a user accessible switch and an annunciator; a signal conducting connector mounted on said inside wall of said subassembly housing for engagement with said circuit board connector when said circuit board is in a second position, a flange mounted on said subassembly housing to engage said circuit board when said circuit board is in a second position, and whereby when said circuit board, with said circuit board connector and pawl-like projection mounted thereon, is in a first position, said subassembly mates freely with said main housing and thereafter locks to said main housing when said circuit board is in a second position to mechanically and electrically couple said unique circuit to said generic circuit.

Claim 14

Dependent Claim 214 words

In a radio receiver, a subassembly including a unique circuit portion for mating with both a main housing of said device and a generic circuit board within said main housing, with said generic circuit board having a first and second end and having further mounted thereon a circuit board connector and a pawl-like projection said subassembly comprising, a subassembly housing having an inside and outside wall, a receiving cavity in said subassembly housing for engagement with said pawl-like projection when said circuit board is in a second position, unique circuitry mounted on said inside wall of said subassembly housing including a user accessible switch and an annunciator; a signal conducting connector mounted on said inside wall of said subassembly housing for engagement with said circuit board connector when said circuit board is in a second position, a flange mounted on said subassembly housing to engage said circuit board when said circuit board is in a second position, and whereby when said circuit board, with said circuit board connector and pawl-like projection mounted thereon, is in a first position, said subassembly mates freely with said main housing and thereafter locks to said main housing when said circuit board is in a second position to mechanically and electrically couple said unique circuit to said generic circuit.

Claim 15

Dependent Claim 78 words

A subassembly in accordance with claim 10, including, a slideable latch mounted on said inside wall of said subassembly housing, said latch having a portion accessable from said outside wall of said subassembly housing and capable of sliding said latch to a normal or extended position, whereby said subassembly mates to said main housing when said latch is in a normal position and said subassembly locks to said main housing when said latch is in an extended position.

Claim 16

Dependent Claim 23 words

A subassembly in accordance with claim 10, wherein said user accessible switch is a main off/on switch for said unique and generic circuits.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1989-03-24	1989-09-23	1990-03-25	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1993-03-24	1993-09-23	1994-03-25	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1997-03-24	1997-09-23	1998-03-25	$7700.00	Window Closed / Lapsed

Quick disconnect and function change radio assembly

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