# US 6,652,386 B1 · Substructure of a bowling lane

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- Number: US 6,652,386 B1
- Document ID: US6652386B1
- Status: Granted
- Kind: B1
- Application number: 09/959,822
- Filed: 2002-01-04
- Granted: 2003-11-25
- Earliest claimed: 1999-05-10
- Assignees: System-300 Group Oy
- Inventors: Mikko Sievänen; Joni Hietala
- Web page: https://patentgrep.com/patent/US6652386B1

## CPC

- A63D 1/02: collapsible; portable
- A63D 1/00: Installations for bowling games, e.g. bowling-alleys or bocce courts (bowling greens A63C19/00)
- A63D: BOWLING GAMES, e.g. SKITTLES, BOCCE OR BOWLS; INSTALLATIONS THEREFOR; BAGATELLE OR SIMILAR GAMES; BILLIARDS (balls A63B37/00)

## Abstract

The invention relates to a substructure of a bowling lane, which comprises a framework composed of beams (1, 2, 3). The horizontally installed beams (1, 2) of the substructure have first and second fixing means (FE, SE) and beams (1, 2) are attached together by connecting the first and second fixing means (FE, SE) of the beams (1, 2).

## Claims

### Claim 1

A bowling lane structure, comprising:
a substructure comprising a framework comprising intersecting beams, the beams comprising
a plurality of first horizontal beams extending in a longitudinal direction of the bowling lane;
a plurality of second horizontal beams extending in a transverse direction of the bowling lane;
first fixing means operatively attached to the first horizontal beams; and
a gutter attached to the first fixing means.

### Claim 2 (depends on 1)

The bowling lane structure according to claim 1, wherein the first fixing means comprises a groove opening upwards and extending in a horizontal direction in a side surface of the first horizontal beams.

### Claim 3 (depends on 2)

The bowling lane structure according to claim 2, wherein the first fixing means are located on both side surfaces of the first horizontal beams.

### Claim 4 (depends on 3)

The bowling lane structure according to claim 3, wherein the first fixing means are located on both side surfaces of the first horizontal beams within a given vertical distance with respect to each other.

### Claim 5 (depends on 3)

The bowling lane structure according to claim 3, wherein on a first side surface there are a larger number of fixing means than on a second side surface.

### Claim 6 (depends on 5)

The bowling lane structure according to claim 5, wherein on the first side surface there are two first fixing means and on the second side surface there are three first fixing means.

### Claim 7 (depends on 1)

The bowling lane structure according to claim 1, wherein the gutter is connected to the first fixing means in such a at the recess in the gutter is connected to the first fixing means.

### Claim 8 (depends on 7)

The bowling lane structure according to claim 7, wherein the recess is connected to the uppermost first fixing means in such a manner that the beam supports the gutter from underneath.

### Claim 9 (depends on 1)

The bowling lane structure according to claim 1, wherein at least the beams of the substructure are made of aluminium.