US Patent: 499,114 - Traction Engine


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US Patent: 499,114

Traction Engine

Patentee:

Benjamin Holt (exact or similar names) - Stockton, San Joaquin County, CA

USPTO Classifications:

180/15

Tool Categories:

propulsion and energy : steam apparatus : steam traction engines : traction engine suspensions

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Feb. 23, 1893
Granted:	Jun. 06, 1893

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Holt Mfg. Co.

Description:

Abstract:

My invention relates to improvements in io traction engines, and it consists in the attachment of a supplemental vertically adjustable frame, with supplemental traction wheels journaled therein exterior to the main frame and main traction wheels for the purpose of increasing the bearing surface on soft ground.

Claim:

In a traction engine, the main frame and bearing wheels upon which it is supported, in combination with supple mental frames hinged to the main frame and movable with relation thereto, and having supplemental wheels independently journaled therein whereby said wheels have a free vertical movement to conform to the irregularities of the ground surface, and means comprising a transverse connection below the main frame for connecting the supplemental frames with the main frame when the wheels of the latter sink into the surface whereby all the wheels act to support the mechanism.