Title: Lens cap for optical instruments with pivotally mounted lens cover

Abstract: A threadedly mounted cap for the lens opening of optical instruments such as cameras with a pivotally mounted lens cap mounted thereon spring biased to open and closed positions when pivotally moved beyond a given point.

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Inventors: Numbers, Jody L. (Tempe, AZ, US)

Application Number: 514589
Filing Date: 1974-10-15
Publication_date: 1976-03-09
Assignee:
Primary Class(es): 359/511
Other Classes:
US Patent Ref:

849409	Apr, 1907	Martin	350/57.
1427592	Aug, 1922	Hales	350/65.
2807355	Sep, 1957	Shiffman	220/335.
2849795	Sep, 1958	Vissing	350/65.
2889629	Jun, 1959	Darkenwald	350/65.
3015982	Jan, 1962	Bing et al.	350/58.
3758200	Sep, 1973	Saito	350/318.
3831285	Aug, 1974	Vissing	350/65.
3840883	Oct, 1974	Choate	350/58.

Other Refs:
Primary Examiner: Stern, Ronald J.
Assistant Examiner: Henry, Jon W.
Attorney: Lindsley; Warren F. B.