US 5,532,521 AGranted

Security control system for the storage area of a delivery truck

OwnerRobert L. Leiningerinventor

Life of this patent

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Abstract

A keyless system for quickly and conveniently securing the storage area of a delivery type truck against unauthorized entry and theft while the driver is away from the truck making a delivery or pickup. In reaching a delivery point or approaching the truck after a pickup, the driver actuates a portable transmitter to generate a wireless signal which is received and processed by a receiver within the truck and which unlocks and opens the access door to the storage area. Upon exit from the storage area after selecting or depositing a package, the driver simply taps a switch located in the cab of the truck to generate a signal which causes the access door to close and lock automatically. Securement of the rear cargo loading door also is controlled by use of the portable transmitter to generate a further signal for operating the loading door lock.

Claims8

Dependent claims

A security system for a delivery truck having a bulkhead dividing the interior of the truck into storage and cab areas, a doorway located in the bulkhead, a door mounted for horizontal movement transversely of the doorway between a first position closing the doorway ("closed position") and a second position spaced from and opening the doorway ("open position"), and a power source, the security system comprising

(A) guide means positioned on the bulkhead to slidingly support said door during movement thereof between its said open and closed positions,
(B) operating means comprising
(i) motor means and
(ii) drive means operatively engaging said motor means and said door, said drive means being movable by said motor means in a first direction to move said door to its open position and in a second direction to move said door to its closed position,
(C) latch means for automatically locking said door upon movement of said door to its closed position, said latch means being isolated from and not accessible to said cab area,
(D) actuating means for disabling said latch means to permit movement of said door away from its closed position,
(E) control means communicating with said power source, said control means being operable in response to the reception of
(i) a first control signal to connect said power source (a) to said actuating means to disable said latch means and (b) to said motor means in a first polarity to move said drive means in said first direction and said door from its closed position to its open position to provide access to the storage area and
(ii) a second control signal to connect said power source to said motor means in said second polarity to move said drive means in said second direction and said door from its open position to its closed position wherein said latch means automatically locks said door to prevent access to the storage area,
(F) first limiting means operatively interposed between said power source and said control means and isolating said power source from said motor means upon movement of said door to its closed position,
(G) second limiting means operatively interposed between said power source and said control means and isolating said power source from said motor means upon movement of said door to its open position,
(H) a first manually operable remote control switch for selectively generating said first control signal, and
(I) a second manually operable switch disposed within the cab area for selectively generating said second control signal.

10 more elements

A security system for a delivery truck having a rearward storage area, a forward cab area, a bulkhead disposed between the cab and storage areas and provided with a doorway, a door mounted for movement transversely of the doorway between a first position closing the doorway ("closed position") and a second position spaced from the doorway ("open position"), an entryway disposed in the rearward wall of the delivery truck, a sectional door movable relative to the entryway between a first position closing the entryway ("closed position") and a second position spaced from the entryway (open position"), and a low voltage electrical power source provided by the delivery truck, characterized by

(A) operating means for moving said door horizontally between its said open and closed positions, said operating means comprising
(i) motor means and
(ii) drive means operatively engaging said motor means and said door,
(B) latch means for automatically locking said door upon movement thereof to said closed position, said latch means being isolated from and not accessible to said cab area,
(C) actuating means for disabling said latch means to permit movement of said door away from its said closed position,
(D) lock means for automatically latching said sectional door in its said closed position upon movement thereof to said closed position,
(E) release means for disabling said lock means to permit movement of said sectional door from its said closed position to its said open position,
(F) control means communicating with said power source, said control means being operable in response to the reception of
(i) a first control signal to connect said power source to (a) said actuating means to disable said latch means and (b) said motor means in a first polarity to move said drive means in a first direction to move said door from its closed to its open position,
(ii) a second control signal to connect said power source to said motor means in a second polarity to move said drive means in a second direction to move said door from its open to its closed position,
(iii) a third control signal to connect said power source to said release means to disable said lock means to permit manual movement of said sectional door from its closed to its open position,
(iv) said lock means being ineffective to prevent movement of said sectional door from its said open to its said closed position,
(G) a first manually operable remote control switch for selectively generating said first control signal,
(H) a second manually operable momentary contact switch disposed within said cab area for selectively generating said second control signal and
(I) a third manually operable remote control switch for selectively generating said third control signal.

12 more elements

Dependencies are inferred from the claim text.

Facts

Application: 08/161,067Filed 3 Dec 1993
Granted: 2 Jul 1996
Term ends: Not estimatedThe source records don’t support an estimate.

Classification24 codes

E05F 15/652
For horizontally-sliding wings: operated by screw-and-nut mechanisms
B60P 3/03
Vehicles adapted to transport, to carry or to comprise special loads or objects: for transporting money or other valuables
E05B 47/0002
With electric actuators; Constructional features thereof: with electromagnets
E05B 47/023
Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means:…