Expanded barrel hydraulic cylinder assembly

Details Expanded barrel hydraulic cylinder assembly Expanded barrel hydraulic cylinder assembly

2006-02-16

2008-11-25

Lazo, Thomas E (Department: 3745)

Expansible chamber devices

With assembly or disassembly facilitating means

C092S16500R, C092S169100

Reexamination Certificate

active

07455010

ABSTRACT:
The hydraulic cylinder assembly of the present invention provides an enlarged barrel and a compressible locking ring that secure a rod gland in the rod end of the cylinder. The tapered barrel prevents the rod gland from sliding into the cylinder and the locking ring seated in an annular groove prevents the rod gland from sliding out of the cylinder. A small hole in the cylinder barrel is provided through which the round ring may be punched out of the annular groove and easily removed with a screwdriver or pick. These features allow the hydraulic cylinder to be easily assembled and disassembled without compression tools and eliminate the need for threaded components, welds or bolts. The enlarged rod end of the cylinder barrel also provides a smooth cylinder barrel that is elegant in appearance and more easily manufactured, repaired and maintained.

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