Lens barrel having at least two cylinders which join to block ou

Details Lens barrel having at least two cylinders which join to block ou Lens barrel having at least two cylinders which join to block ou

1995-05-03

1997-08-05

Epps, Georgia Y.

Optical: systems and elements

Lens

With support

359704, G02B 702, G02B 1514

Patent

active

056548346

ABSTRACT:
In a lens barrel having at least two joinable cylinders made of plastic, a sink mark is hard to be formed in the two cylinders and the compactness of the lens barrel and low cost are maintained while the construction is not complex and the number of parts is not increased. The leakage of light is prevented even when a joint is shallow.

REFERENCES:
patent: 1688370 (1928-10-01), Wittel
patent: 2087020 (1937-07-01), Colaiale
patent: 2401367 (1946-06-01), Nagel
patent: 2851924 (1958-09-01), Beusker
patent: 2898832 (1959-08-01), Schmuck
patent: 4326789 (1982-04-01), Aoyagi

Affiliated with

Also associated with

Rating

Lens barrel having at least two cylinders which join to block ou does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Lens barrel having at least two cylinders which join to block ou, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lens barrel having at least two cylinders which join to block ou will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1078971