# US 5,704,310 A · Boat with folding transom

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- Number: US 5,704,310 A
- Document ID: US5704310A
- Status: Granted
- Kind: A
- Application number: 08/697,561
- Filed: 1996-08-28
- Granted: 1998-01-06
- Earliest claimed: 1995-09-05
- Inventors: Daniel Cittadini
- Web page: https://patentgrep.com/patent/US5704310A

## CPC

- B63B 7/02: comprising only rigid parts
- B63B 7/06: having parts of non-rigid material
- F02B 61/045: {for marine engines}
- B63B: SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING (arrangements of vessel ventilation, heating, cooling, or air-conditioning B63J2/00; floating substructures as supports of dredgers or soil-shifting machines E02F9/06)
- F02B: INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL (gas-turbine plants F02C; hot-gas or combustion-product positive-displacement engine plants F02G)

## Abstract

A collapsible hull boat has a folding transverse transom and a rigid transom board substantially similar in shape to the transom when deployed. The rigid transom board is attached from the outside of the hull to the deployed transom so as to cover its exterior face and is removably fixed to the deployed transom in order to protect it and to withstand the thrust of a motor fixed to the rigid transom board to propel the boat.

## Claims

### Claim 1

A collapsible hull boat having a bottom and lateral flanks, further comprising:
a folding transverse transom fastened to said bottom and lateral flanks by a peripheral bead projecting astern of said boat, said peripheral bead having a lower part corresponding to said bottom, said lower part having an upper face supporting a receptacle; and
a rigid transom board substantially similar in shape to said folding transom when said folding transom is deployed, said rigid transom board being adapted to be attached from the outside of said hull to said deployed transom so as to cover an exterior face of said deployed transom and to be fixed removable to said deployed transom in order to protect said deployed transom and to withstand the force of a motor fixed to said rigid transom board, said rigid transom board having a peripheral rim fitting at least partly around the peripheral contour of said deployed transom and surrounding the parts of said bead corresponding to said lateral flanks, the periphery of said rigid transom board having a lower part able to be received and longitudinally retained by said receptacle.

### Claim 2 (depends on 1)

The boat claimed in claim 1 wherein said rigid transom board includes first means for attaching it to a middle upper part of said deployed transom.

### Claim 3 (depends on 2)

The boat claimed in claim 2 wherein a stiffener crossmember is fixed to said rigid transom board by said first attaching means.

### Claim 4 (depends on 1)

The boat claimed in claim 1 wherein said rigid transom board includes second means for attaching it to a rear upper part of said flanks of said hull when said hull is deployed.

### Claim 5 (depends on 1)

A boat as claimed in claim 1 including a stiffener crossmember adapted to be attached from an interior of said hull to said deployed transom and to be fixed to said rigid transom board.

### Claim 6 (depends on 5)

The boat claimed in claim 5 wherein said stiffener crossmember is fixed to said rigid transom board by a first fastening means.

### Claim 7 (depends on 1)

The boat claimed in claim 1 wherein said rigid transom board is a solid piece of synthetic material.