Boltless Builder

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Boltless Builder

Boltless Builder was a construction system which used dimples to hold parts together. It was made in the USA under the Meccano name by A.C. Gilbert in 1937. Not certain if it was actually put on official sale although a few examples are known.

Manufacturer / Distributor

A.C Gilbert Co., New Haven, Connecticut, USA

Info from the Metal Constructional Systems Database for BOLTLESS BUILDER (Ref:BBR)

Maker

System Type
Non-Meccano type

Country
USA

Dates
1937

Material

Thread

Boss Type
no boss

Boss Thread
----

Diametrical Pitch of Gears
--

No. of Parts in System

Hole Pitch (Spacing) (mm)

Diameter of holes in Strips(mm)

Diameter of the Bore in Bosses(mm)

Diameter of Axle Rods(mm)

Types of Nuts and Bolts
Nuts:
Bolts:

Material/Finish of Nuts and Bolts

Size of the Nuts across Flats (mm)
`

Bolt diameter (mm)

Comments
A Gilbert set sold under the MECCANO name. Parts held together by dimples into holes. Several examples of one set exist but it was probably a prototype which was never produced.

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