US126376A - Improvement in pulley-blocks - Google Patents
Improvement in pulley-blocks Download PDFInfo
- Publication number
- US126376A US126376A US126376DA US126376A US 126376 A US126376 A US 126376A US 126376D A US126376D A US 126376DA US 126376 A US126376 A US 126376A
- Authority
- US
- United States
- Prior art keywords
- blocks
- improvement
- pulley
- brown
- thomas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
Definitions
- Revolving Sides The revolving sides, to be used with the of which the following description is full and sheave, as and for the purpose described.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pulleys (AREA)
Description
THOMAS B. BROWN.
Improvement in Pulley-Blocks.
No. 126,376, Patented May7,1872..
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AALPHOI'U UIHUGRAPKIC CU N. Y (OSBORNE: PROCESS.
UNITED STATES THOMAS B. BROWN, OF FAIRFIELD, MAINE, ASSIGNOR OF ONE-HALF OF HIS RIGHT TO GERALD 86 ALLEN, OF SAME PLACE.
IMPROVEMENT IN PULLEV-BLOCKS.
Specification forming part of Letters Patent No. 126,376, dated May 7, 1872 antedated April 20, 1872.
To all whom it may concern: The advantage over ordinary blocks consists Be it known that I, THOMAS B. BROWN, of in saving the wear on rigging, and requiring Fairfield, in the county of Somerset and State less power to work the same.
of Maine, have invented a new and useful Im- I claim provementin Blooks,calledRevolving Sides, The revolving sides, to be used with the of which the following description is full and sheave, as and for the purpose described.
exact. THOMAS B. BROWN.
The revolving sides A A are separate from Witnesses:
the sheave or middle piece B, and each re- E. H. EVANS,
volves separately on the same axle O. F. M. COTTON.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US126376A true US126376A (en) | 1872-05-07 |
Family
ID=2195801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US126376D Expired - Lifetime US126376A (en) | Improvement in pulley-blocks |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US126376A (en) |
-
0
- US US126376D patent/US126376A/en not_active Expired - Lifetime
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