Title: Front loading projection unit

Abstract: An improved projection unit which permits removal of the unit's lamp from the front, concave portion of the unit's reflector. A first retention member is used to maintain the lamp in pre-established alignment within the reflector and a second retention member, e.g. resilient clamp, is movably oriented on the reflector's neck portion to secure the first retention member in a first position and release it in a second.

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Inventors: Haraden, Thomas (Ipswich, MA, US)
Hough, Harold L. (Beverly, MA, US)

Application Number: 922872
Filing Date: 1978-07-07
Publication_date: 1980-08-26
Assignee: GTE Sylvania Incorporated (Stamford, CT)
Primary Class(es): 362/226 362/263, 362/306, 362/350, 362/396
Other Classes:
US Patent Ref:

3314331	Apr, 1967	Wiley	362/296.
3639750	Feb, 1972	Maximiliaan	362/226.
3789212	Jan, 1974	Wagner	362/306.

Other Refs:
Primary Examiner: Lechert, Jr., Stephen J.
Assistant Examiner:
Attorney: Fraley; Lawrence R.